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"type": "informative",
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"key": "length",
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"power": 1
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"key": "time",
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"power": -1
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}
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"key": "length",
"symbol": "L",
"power": 1
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{
"key": "time",
"symbol": "T",
"power": -2
}
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"type": "informative",
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]
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"value": "period duration",
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{
"value": "period",
"lang": "en"
}
],
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"key": "time",
"symbol": "T",
"power": 1
}
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"dimensionless": false
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"id": "NISTu3",
"name": "second",
"symbol": "″"
}
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"id": "NISTq109"
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"type": "unitsml",
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"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Period"
}
]
},
{
"id": "NISTq11",
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{
"value": "solid angle",
"lang": "en"
},
{
"value": "angle solide",
"lang": "fr"
}
],
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"id": "NISTd64",
"name": "solid angle",
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{
"key": "plane_angle",
"symbol": "phi",
"power": 1
}
],
"dimensionless": true
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"id": "NISTu10",
"name": "steradian",
"symbol": "sr"
}
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"type": "nist",
"id": "NISTq11"
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"type": "unitsml",
"id": "q:solid_angle"
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"type": "normative",
"authority": "si-digital-framework",
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/SolidAngle"
}
]
},
{
"id": "NISTq110",
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"value": "time constant",
"lang": "en"
}
],
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"name": "time",
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"key": "time",
"symbol": "T",
"power": 1
}
],
"dimensionless": false
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"id": "NISTu3",
"name": "second",
"symbol": "″"
}
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"id": "NISTq110"
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"id": "q:time_constant"
}
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"id": "NISTq111",
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"value": "rotation",
"lang": "en"
}
],
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"id": "NISTd80",
"name": "ratio quantity",
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"dimensionless": true
},
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"id": "NISTu61",
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"symbol": "1"
}
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"type": "nist",
"id": "NISTq111"
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"type": "unitsml",
"id": "q:rotation"
}
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},
{
"id": "NISTq112",
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{
"value": "rotational frequency",
"lang": "en"
}
],
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"name": "frequency",
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"components": [
{
"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
},
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"id": "NISTu3e-1/1",
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"symbol": "s⁻¹"
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"type": "unitsml",
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}
],
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"type": "informative",
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}
]
},
{
"id": "NISTq113",
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"value": "angular frequency",
"lang": "en"
}
],
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"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
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"id": "NISTu3e-1/1",
"name": "second to the power minus one",
"symbol": "s⁻¹"
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{
"id": "NISTu9.u3e-1/1",
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}
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"id": "NISTq113"
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"type": "unitsml",
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}
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"type": "informative",
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}
]
},
{
"id": "NISTq114",
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"value": "wavelength",
"lang": "en"
}
],
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"name": "length",
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"key": "length",
"symbol": "L",
"power": 1
}
],
"dimensionless": false
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"id": "NISTu1",
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"symbol": "m"
}
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"id": "NISTq114"
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"id": "q:wavelength"
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"type": "informative",
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}
]
},
{
"id": "NISTq115",
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"value": "angular wavenumber",
"lang": "en"
},
{
"value": "angular repetency",
"lang": "en"
}
],
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"key": "length",
"symbol": "L",
"power": -1
}
],
"dimensionless": false
},
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"id": "NISTu1e-1/1",
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{
"id": "NISTu9.u1e-1/1",
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"type": "nist",
"id": "NISTq115"
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"type": "unitsml",
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"type": "informative",
"authority": "qudt",
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}
]
},
{
"id": "NISTq116",
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"value": "phase velocity",
"lang": "en"
},
{
"value": "phase speed",
"lang": "en"
}
],
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"id": "NISTd11",
"name": "velocity",
"expression": "L·T-1",
"components": [
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"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
},
"units": [
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"id": "NISTu1.u3e-1/1",
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"symbol": "m·s⁻¹"
}
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},
{
"id": "NISTq117",
"unitsml_id": "q:group_velocity",
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"value": "group velocity",
"lang": "en"
},
{
"value": "group speed",
"lang": "en"
}
],
"short": "group_velocity",
"type": "derived",
"dimension": {
"id": "NISTd11",
"name": "velocity",
"expression": "L·T-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
},
"units": [
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"id": "NISTu1.u3e-1/1",
"name": "meter per second",
"symbol": "m·s⁻¹"
}
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"type": "nist",
"id": "NISTq117"
},
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"type": "unitsml",
"id": "q:group_velocity"
}
],
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},
{
"id": "NISTq118",
"unitsml_id": "q:level_of_a_field_quantity",
"name": "level of a field quantity",
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{
"value": "level of a field quantity",
"lang": "en"
}
],
"short": "level_of_a_field_quantity",
"type": "derived",
"dimension": {
"id": "NISTd83",
"name": "level of field quantity",
"expression": "1",
"components": [],
"dimensionless": true
},
"units": [
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"id": "NISTu153",
"name": "neper",
"symbol": "Np"
},
{
"id": "NISTu154",
"name": "bel",
"symbol": "B"
}
],
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"type": "nist",
"id": "NISTq118"
},
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"type": "unitsml",
"id": "q:level_of_a_field_quantity"
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{
"id": "NISTq119",
"unitsml_id": "q:level_of_a_power_quantity",
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"value": "level of a power quantity",
"lang": "en"
}
],
"short": "level_of_a_power_quantity",
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"name": "field power level",
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"components": [],
"dimensionless": true
},
"units": [
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"id": "NISTu153",
"name": "neper",
"symbol": "Np"
},
{
"id": "NISTu154",
"name": "bel",
"symbol": "B"
}
],
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"type": "nist",
"id": "NISTq119"
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"id": "q:level_of_a_power_quantity"
}
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},
{
"id": "NISTq12",
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"value": "velocity",
"lang": "en"
},
{
"value": "speed",
"lang": "en"
},
{
"value": "vitesse",
"lang": "fr"
}
],
"short": "velocity",
"type": "derived",
"dimension": {
"id": "NISTd11",
"name": "velocity",
"expression": "L·T-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
},
"units": [
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"id": "NISTu1.u3e-1/1",
"name": "meter per second",
"symbol": "m·s⁻¹"
},
{
"id": "NISTu107",
"name": "foot per minute",
"symbol": "ft·min⁻¹"
},
{
"id": "NISTu108",
"name": "foot per second",
"symbol": "ft·s⁻¹"
},
{
"id": "NISTu109",
"name": "inch per second",
"symbol": "in·s⁻¹"
},
{
"id": "NISTu110",
"name": "mile per hour",
"symbol": "mi·h⁻¹"
},
{
"id": "NISTu111",
"name": "mile per minute",
"symbol": "mi·min⁻¹"
},
{
"id": "NISTu112",
"name": "mile per second",
"symbol": "mi·s⁻¹"
},
{
"id": "NISTu152",
"name": "nautical mile per hour",
"symbol": "kn"
},
{
"id": "NISTu160",
"name": "kilometer per hour",
"symbol": "km/h"
},
{
"id": "NISTu242",
"name": "natural unit of velocity",
"symbol": "𝑐"
},
{
"id": "NISTu294",
"name": "atomic unit of velocity",
"symbol": "𝑎₀𝐸ₕ/ℏ"
}
],
"unit_count": 11,
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"type": "nist",
"id": "NISTq12"
},
{
"type": "unitsml",
"id": "q:velocity"
}
],
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"type": "normative",
"authority": "si-digital-framework",
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Speed"
}
]
},
{
"id": "NISTq120",
"unitsml_id": "q:damping_coefficient",
"name": "damping coefficient",
"names": [
{
"value": "damping coefficient",
"lang": "en"
}
],
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"type": "derived",
"dimension": {
"id": "NISTd24",
"name": "frequency",
"expression": "T-1",
"components": [
{
"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu163",
"name": "neper per second",
"symbol": "Np/s"
},
{
"id": "NISTu3e-1/1",
"name": "second to the power minus one",
"symbol": "s⁻¹"
}
],
"unit_count": 2,
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"type": "nist",
"id": "NISTq120"
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"type": "unitsml",
"id": "q:damping_coefficient"
}
],
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},
{
"id": "NISTq121",
"unitsml_id": "q:logarithmic_decrement",
"name": "ratio logarithm (Np)",
"names": [
{
"value": "ratio logarithm (Np)",
"lang": "en"
},
{
"value": "logarithmic decrement (field quantities using natural logarithms)",
"lang": "en"
},
{
"value": "logarithme d'un rapport (Np)",
"lang": "fr"
}
],
"short": "logarithmic_decrement",
"type": "derived",
"dimension": {
"id": "NISTd67",
"name": "logarithmic ratio",
"expression": "1",
"components": [],
"dimensionless": true
},
"units": [
{
"id": "NISTu153",
"name": "neper",
"symbol": "Np"
},
{
"id": "NISTu61",
"name": "one",
"symbol": "1"
}
],
"unit_count": 2,
"identifiers": [
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"type": "nist",
"id": "NISTq121"
},
{
"type": "unitsml",
"id": "q:logarithmic_decrement"
}
],
"references": [
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"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/RLGN"
}
]
},
{
"id": "NISTq122",
"unitsml_id": "q:attenuation_coefficient",
"name": "attenuation coefficient",
"names": [
{
"value": "attenuation coefficient",
"lang": "en"
}
],
"short": "attenuation_coefficient",
"type": "derived",
"dimension": {
"id": "NISTd29",
"name": "wavenumber",
"expression": "L-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu1e-1/1",
"name": "meter to the power minus one",
"symbol": "m⁻¹"
}
],
"unit_count": 1,
"identifiers": [
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"type": "nist",
"id": "NISTq122"
},
{
"type": "unitsml",
"id": "q:attenuation_coefficient"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/AttenuationCoefficient"
}
]
},
{
"id": "NISTq123",
"unitsml_id": "q:phase_coefficient",
"name": "phase coefficient",
"names": [
{
"value": "phase coefficient",
"lang": "en"
}
],
"short": "phase_coefficient",
"type": "derived",
"dimension": {
"id": "NISTd29",
"name": "wavenumber",
"expression": "L-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu1e-1/1",
"name": "meter to the power minus one",
"symbol": "m⁻¹"
}
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"unit_count": 1,
"identifiers": [
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"type": "nist",
"id": "NISTq123"
},
{
"type": "unitsml",
"id": "q:phase_coefficient"
}
],
"references": [
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"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/PhaseCoefficient"
}
]
},
{
"id": "NISTq124",
"unitsml_id": "q:propagation_coefficient",
"name": "propagation coefficient",
"names": [
{
"value": "propagation coefficient",
"lang": "en"
}
],
"short": "propagation_coefficient",
"type": "derived",
"dimension": {
"id": "NISTd29",
"name": "wavenumber",
"expression": "L-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu1e-1/1",
"name": "meter to the power minus one",
"symbol": "m⁻¹"
}
],
"unit_count": 1,
"identifiers": [
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"type": "nist",
"id": "NISTq124"
},
{
"type": "unitsml",
"id": "q:propagation_coefficient"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/PropagationCoefficient"
}
]
},
{
"id": "NISTq125",
"unitsml_id": "q:relative_mass_density",
"name": "relative mass density",
"names": [
{
"value": "relative mass density",
"lang": "en"
},
{
"value": "relative density",
"lang": "en"
}
],
"short": "relative_mass_density",
"type": "derived",
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}
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}
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"symbol": "L",
"power": 1
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"power": -1
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{
"key": "time",
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"id": "NISTq14",
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{
"value": "induction magnétique",
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}
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"key": "mass",
"symbol": "M",
"power": 1
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{
"key": "time",
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"power": -2
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"key": "electric_current",
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"power": -1
}
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"id": "NISTu119",
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"id": "NISTu21",
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"id": "NISTu253",
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"id": "NISTu273",
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"type": "normative",
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]
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"value": "Poisson number",
"lang": "en"
}
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"dimensionless": true
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"type": "informative",
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}
]
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"id": "NISTq141",
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"value": "modulus of elasticity",
"lang": "en"
}
],
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"key": "length",
"symbol": "L",
"power": -1
},
{
"key": "mass",
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"power": 1
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{
"key": "time",
"symbol": "T",
"power": -2
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{
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{
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{
"id": "NISTu320",
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{
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{
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{
"id": "NISTu91",
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{
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{
"id": "NISTu93",
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{
"id": "NISTu94",
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},
{
"id": "NISTu95",
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{
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"power": -1
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{
"key": "time",
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"power": -1
}
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"id": "NISTu358",
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{
"id": "NISTu359",
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{
"id": "NISTu360",
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"id": "NISTu364",
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}
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"value": "Lagrange function",
"lang": "en"
}
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"key": "length",
"symbol": "L",
"power": 2
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{
"key": "mass",
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"power": 1
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{
"key": "time",
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}
]
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"value": "Hamilton function",
"lang": "en"
}
],
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"key": "length",
"symbol": "L",
"power": 2
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{
"key": "mass",
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"power": 1
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{
"key": "time",
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}
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}
]
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"value": "action",
"lang": "en"
}
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"key": "length",
"symbol": "L",
"power": 2
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{
"key": "mass",
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"power": 1
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{
"key": "time",
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"power": -1
}
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"id": "NISTu243",
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{
"id": "NISTu248",
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{
"id": "NISTu297",
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]
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}
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]
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"value": "linear expansion coefficient",
"lang": "en"
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],
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"key": "thermodynamic_temperature",
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"power": -1
}
],
"dimensionless": false
},
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"id": "NISTu5e-1/1",
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]
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"lang": "en"
}
],
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"key": "thermodynamic_temperature",
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"power": -1
}
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"lang": "en"
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"power": -1
}
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"id": "NISTq159",
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"value": "pressure coefficient",
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}
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"key": "length",
"symbol": "L",
"power": -1
},
{
"key": "mass",
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"power": 1
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{
"key": "time",
"symbol": "T",
"power": -2
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{
"key": "thermodynamic_temperature",
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"power": -1
}
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"symbol": "L",
"power": -1
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{
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{
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{
"id": "NISTu324",
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{
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{
"id": "NISTu91",
"name": "bar",
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{
"id": "NISTu92",
"name": "dyne per square centimeter",
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{
"id": "NISTu93",
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{
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"key": "length",
"symbol": "L",
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{
"key": "time",
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}
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"id": "NISTq161",
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}
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"name": "electric current",
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"key": "electric_current",
"symbol": "I",
"power": 1
}
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"symbol": "Gi"
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}
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"key": "length",
"symbol": "L",
"power": 1
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{
"key": "time",
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"power": 1
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{
"key": "electric_current",
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"power": 1
}
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"id": "NISTu224",
"name": "debye",
"symbol": "D"
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{
"id": "NISTu258",
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"symbol": "𝑒𝑎₀"
}
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"value": "magnetizability",
"lang": "en"
}
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"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
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{
"key": "time",
"symbol": "T",
"power": 2
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{
"key": "electric_current",
"symbol": "I",
"power": 2
}
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"id": "NISTu252",
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"type": "informative",
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}
]
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"id": "NISTq164",
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"value": "magnetic dipole moment",
"lang": "en"
}
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"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
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"id": "NISTu254",
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}
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"type": "informative",
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}
]
},
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"id": "NISTq165",
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"value": "electric field gradient",
"lang": "en"
}
],
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"name": "electric field gradient",
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"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -3
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{
"key": "electric_current",
"symbol": "I",
"power": -1
}
],
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}
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"lang": "en"
}
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"symbol": "L",
"power": 2
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"power": 1
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"key": "time",
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"power": -3
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"key": "electric_current",
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"power": -1
}
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"id": "NISTu268",
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"symbol": "statV"
}
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"lang": "en"
}
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"symbol": "L",
"power": 2
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{
"key": "time",
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"power": 1
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"key": "electric_current",
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"power": 1
}
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"id": "NISTu263",
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}
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"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": 4
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{
"key": "electric_current",
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"power": 2
}
],
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"id": "NISTu264",
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}
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"type": "unitsml",
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}
]
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"id": "NISTq169",
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"value": "electric capacitance",
"lang": "en"
}
],
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"id": "NISTd19",
"name": "capacitance",
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"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "mass",
"symbol": "M",
"power": -1
},
{
"key": "time",
"symbol": "T",
"power": 4
},
{
"key": "electric_current",
"symbol": "I",
"power": 2
}
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"dimensionless": false
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"id": "NISTu266",
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}
]
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"id": "NISTq17",
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"lang": "en"
},
{
"value": "énergie",
"lang": "fr"
}
],
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"key": "length",
"symbol": "L",
"power": 2
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{
"key": "mass",
"symbol": "M",
"power": 1
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{
"key": "time",
"symbol": "T",
"power": -2
}
],
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},
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"id": "NISTu117",
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{
"id": "NISTu126",
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{
"id": "NISTu13",
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"symbol": "J"
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{
"id": "NISTu14.u3",
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{
"id": "NISTu166",
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{
"id": "NISTu206",
"name": "foot pound-force",
"symbol": "ft·lbf"
},
{
"id": "NISTu227",
"name": "thermochemical calorie",
"symbol": "cal"
},
{
"id": "NISTu240",
"name": "electronvolt",
"symbol": "eV"
},
{
"id": "NISTu250",
"name": "atomic unit of energy",
"symbol": "𝐸ₕ"
},
{
"id": "NISTu295",
"name": "natural unit of energy",
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},
{
"id": "NISTu298",
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{
"id": "NISTu331",
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"symbol": "thm (US)"
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{
"id": "NISTu60",
"name": "I.T. calorie",
"symbol": "cal_IT"
},
{
"id": "NISTu62",
"name": "erg",
"symbol": "erg"
},
{
"id": "NISTu63",
"name": "kilocalorie_IT",
"symbol": "kcal_IT"
},
{
"id": "NISTu64",
"name": "kilocalorie_th",
"symbol": "kcal_th"
},
{
"id": "NISTu65",
"name": "kilowatt hour",
"symbol": "kW·h"
},
{
"id": "NISTu69",
"name": "watt hour",
"symbol": "W·h"
}
],
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"type": "nist",
"id": "NISTq17"
},
{
"type": "unitsml",
"id": "q:energy"
}
],
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"type": "normative",
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Energy"
}
]
},
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"id": "NISTq170",
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"value": "electric current intensity",
"lang": "en"
}
],
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"dimension": {
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"name": "electric current",
"expression": "I",
"components": [
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
},
"units": [
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"id": "NISTu267",
"name": "statampere",
"symbol": "statA"
}
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"unit_count": 1,
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"type": "nist",
"id": "NISTq170"
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"type": "unitsml",
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"type": "informative",
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}
]
},
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"id": "NISTq171",
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"value": "electric inductance",
"lang": "en"
}
],
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"type": "derived",
"dimension": {
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"name": "inductance",
"expression": "L2·M·T-2·I-2",
"components": [
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"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "electric_current",
"symbol": "I",
"power": -2
}
],
"dimensionless": false
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"units": [
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"id": "NISTu269",
"name": "stathenry",
"symbol": "statH"
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"type": "nist",
"id": "NISTq171"
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"type": "unitsml",
"id": "q:electric_inductance"
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"references": [
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"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Inductance"
}
]
},
{
"id": "NISTq172",
"unitsml_id": "q:first_hyperpolarizability",
"name": "1st hyperpolarizability",
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"value": "1st hyperpolarizability",
"lang": "en"
}
],
"short": "first_hyperpolarizability",
"type": "derived",
"dimension": {
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"name": "hyperpolarizability 1st",
"expression": "L-1·M-2·T7·I3",
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"key": "length",
"symbol": "L",
"power": -1
},
{
"key": "mass",
"symbol": "M",
"power": -2
},
{
"key": "time",
"symbol": "T",
"power": 7
},
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"key": "electric_current",
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}
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"value": "storage size",
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}
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"power": 1
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"power": 1
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"key": "length",
"symbol": "L",
"power": 2
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"key": "time",
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"power": -2
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"id": "NISTu206",
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{
"id": "NISTu64",
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"value": "coefficient of heat transfer",
"lang": "en"
}
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"power": 1
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}
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"value": "kinetic energy",
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}
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"key": "length",
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"power": 2
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{
"key": "mass",
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"key": "time",
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"power": 2
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"lang": "en"
}
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"power": 2
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{
"key": "mass",
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"power": 1
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{
"key": "time",
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"power": -2
}
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"id": "NISTu206",
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"symbol": "L",
"power": 2
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"key": "mass",
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"power": 1
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"key": "time",
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{
"value": "mole fraction",
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}
],
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]
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"id": "NISTq187",
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"value": "apparent power",
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}
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"key": "length",
"symbol": "L",
"power": 2
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{
"key": "mass",
"symbol": "M",
"power": 1
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"key": "time",
"symbol": "T",
"power": -3
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"symbol": "var"
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"type": "unitsml",
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"type": "informative",
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"id": "NISTq188",
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"value": "nil",
"lang": "en"
}
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"id": "NISTu61",
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"symbol": "1"
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"type": "unitsml",
"id": "q:nil"
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"id": "NISTq189",
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"value": "emission rate",
"lang": "en"
},
{
"value": "taux d'émission",
"lang": "fr"
}
],
"short": "emission_rate",
"type": "derived",
"dimension": {
"id": "NISTd24",
"name": "frequency",
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"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu3e-1/1",
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"lang": "en"
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{
"value": "fluence",
"lang": "fr"
}
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"power": -2
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"id": "NISTq190"
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"type": "informative",
"authority": "qudt",
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}
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"lang": "fr"
}
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"power": -2
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"power": -1
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"id": "NISTq191"
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{
"type": "informative",
"authority": "qudt",
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"lang": "en"
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"lang": "fr"
}
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"power": 1
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"lang": "en"
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"lang": "fr"
}
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"power": 1
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"lang": "en"
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"value": "kerma rate",
"lang": "fr"
}
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"symbol": "L",
"power": 2
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{
"key": "time",
"symbol": "T",
"power": -3
}
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"type": "informative",
"authority": "qudt",
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"lang": "en"
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"value": "phase",
"lang": "fr"
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"lang": "en"
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"lang": "fr"
}
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"lang": "en"
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{
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}
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"key": "mass",
"symbol": "M",
"power": -1
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"key": "time",
"symbol": "T",
"power": 1
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"key": "electric_current",
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}
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"id": "NISTu15.u27p10'3e-1/1",
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"lang": "en"
}
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"key": "length",
"symbol": "L",
"power": -2
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}
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"dimensionless": true
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"lang": "en"
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"value": "masse",
"lang": "fr"
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"power": 1
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"id": "NISTu275",
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"id": "NISTu289",
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"id": "NISTu88",
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}
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"type": "unitsml",
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"authority": "si-digital-framework",
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{
"type": "informative",
"authority": "qudt",
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"lang": "en"
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{
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"lang": "fr"
}
],
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"key": "length",
"symbol": "L",
"power": 2
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{
"key": "mass",
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"power": 1
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"key": "time",
"symbol": "T",
"power": -3
}
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"id": "NISTu14",
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{
"id": "NISTu211",
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{
"id": "NISTu217",
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{
"id": "NISTu218",
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"id": "NISTu225",
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{
"id": "NISTu274",
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"symbol": "statwatt"
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{
"id": "NISTu284",
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{
"id": "NISTu285",
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},
{
"id": "NISTu286",
"name": "horsepower, water",
"symbol": "hp"
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{
"id": "NISTu287",
"name": "horsepower (UK)",
"symbol": "hp"
},
{
"id": "NISTu349",
"name": "ton of refrigeration (12 000 Btu_IT/h)",
"symbol": "ton"
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{
"id": "NISTu74",
"name": "calorie_th per second",
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{
"id": "NISTu75",
"name": "kilocalorie_th per second",
"symbol": "kcal_th/s"
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{
"id": "NISTu89",
"name": "erg per second",
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}
],
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"identifiers": [
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"type": "nist",
"id": "NISTq20"
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"type": "unitsml",
"id": "q:power"
}
],
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"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/POWR"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Power"
}
]
},
{
"id": "NISTq200",
"unitsml_id": "q:logarithmic_frequency_range",
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"value": "logarithmic frequency range",
"lang": "en"
}
],
"short": "logarithmic_frequency_range",
"type": "derived",
"dimension": {
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"name": "logarithmic ratio",
"expression": "1",
"components": [],
"dimensionless": true
},
"units": [
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"id": "NISTu383",
"name": "octave",
"symbol": "oct"
},
{
"id": "NISTu384",
"name": "decade",
"symbol": "dec"
}
],
"unit_count": 2,
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"type": "nist",
"id": "NISTq200"
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"type": "unitsml",
"id": "q:logarithmic_frequency_range"
}
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"references": []
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"id": "NISTq201",
"unitsml_id": "q:traffic_intensity",
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"names": [
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"value": "traffic intensity",
"lang": "en"
}
],
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"type": "derived",
"dimension": {
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"name": "traffic intensity",
"expression": "1",
"components": [],
"dimensionless": true
},
"units": [
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"id": "NISTu385",
"name": "erlang",
"symbol": "E"
}
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"type": "informative",
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}
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"id": "NISTq202",
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}
],
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"key": "time",
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}
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"value": "information content",
"lang": "en"
},
{
"value": "information entropy",
"lang": "en"
}
],
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},
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"id": "NISTu387",
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}
]
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}
],
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"power": 2
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}
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"id": "NISTu127",
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{
"id": "NISTu14",
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},
{
"id": "NISTu74",
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},
{
"id": "NISTu75",
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{
"id": "NISTu89",
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}
]
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{
"id": "NISTq22",
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"lang": "en"
},
{
"value": "charge électrique",
"lang": "fr"
}
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"power": 1
}
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},
{
"id": "NISTu246",
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},
{
"id": "NISTu271",
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{
"id": "NISTu48",
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{
"id": "NISTu54",
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}
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},
{
"type": "informative",
"authority": "qudt",
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}
]
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}
],
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"key": "time",
"symbol": "T",
"power": 1
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{
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"power": 1
}
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},
{
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}
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},
{
"value": "différence de potentiel électrique",
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}
],
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"power": 2
},
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{
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{
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"power": -1
}
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},
{
"id": "NISTu261",
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{
"id": "NISTu268",
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"id": "NISTu53",
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}
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},
{
"type": "informative",
"authority": "qudt",
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}
]
},
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}
],
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"symbol": "L",
"power": 2
},
{
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"power": 1
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{
"key": "time",
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"power": -3
},
{
"key": "electric_current",
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"power": -1
}
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}
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"id": "NISTq26",
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"value": "electromotive force",
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}
],
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"symbol": "L",
"power": 2
},
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"power": 1
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{
"key": "time",
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"power": -3
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{
"key": "electric_current",
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"power": -1
}
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{
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{
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"type": "nist",
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"type": "unitsml",
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"type": "informative",
"authority": "qudt",
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}
]
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{
"id": "NISTq27",
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"lang": "en"
},
{
"value": "capacité électrique",
"lang": "fr"
}
],
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"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "mass",
"symbol": "M",
"power": -1
},
{
"key": "time",
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"power": 4
},
{
"key": "electric_current",
"symbol": "I",
"power": 2
}
],
"dimensionless": false
},
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"id": "NISTu17",
"name": "farad",
"symbol": "F"
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{
"id": "NISTu49",
"name": "abfarad",
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}
],
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"type": "nist",
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{
"type": "unitsml",
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}
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"type": "normative",
"authority": "si-digital-framework",
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},
{
"type": "informative",
"authority": "qudt",
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}
]
},
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},
{
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"lang": "fr"
}
],
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"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
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{
"key": "time",
"symbol": "T",
"power": -3
},
{
"key": "electric_current",
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"power": -2
}
],
"dimensionless": false
},
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"symbol": "Ω"
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{
"id": "NISTu265",
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},
{
"id": "NISTu52",
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}
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"type": "normative",
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Resistance"
}
]
},
{
"id": "NISTq29",
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"value": "electric conductance",
"lang": "en"
},
{
"value": "conductance électrique",
"lang": "fr"
}
],
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"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "mass",
"symbol": "M",
"power": -1
},
{
"key": "time",
"symbol": "T",
"power": 3
},
{
"key": "electric_current",
"symbol": "I",
"power": 2
}
],
"dimensionless": false
},
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"id": "NISTu19",
"name": "siemens",
"symbol": "S"
},
{
"id": "NISTu270",
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"symbol": "statmho"
},
{
"id": "NISTu51",
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}
],
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"type": "unitsml",
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Conductance"
}
]
},
{
"id": "NISTq3",
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"value": "time",
"lang": "en"
},
{
"value": "duration",
"lang": "en"
},
{
"value": "temps",
"lang": "fr"
}
],
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{
"key": "time",
"symbol": "T",
"power": 1
}
],
"dimensionless": false
},
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"id": "NISTu106",
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{
"id": "NISTu245",
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},
{
"id": "NISTu251",
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},
{
"id": "NISTu3",
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},
{
"id": "NISTu338",
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},
{
"id": "NISTu339",
"name": "year, sidereal",
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},
{
"id": "NISTu340",
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},
{
"id": "NISTu341",
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},
{
"id": "NISTu342",
"name": "minute, sidereal",
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},
{
"id": "NISTu343",
"name": "second, sidereal",
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},
{
"id": "NISTu345",
"name": "shake",
"symbol": "shake"
},
{
"id": "NISTu36",
"name": "minute",
"symbol": "′"
},
{
"id": "NISTu37",
"name": "hour",
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},
{
"id": "NISTu38",
"name": "day",
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}
],
"unit_count": 14,
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"type": "nist",
"id": "NISTq3"
},
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"type": "unitsml",
"id": "q:time"
}
],
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"type": "normative",
"authority": "si-digital-framework",
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Time"
}
]
},
{
"id": "NISTq30",
"unitsml_id": "q:magnetic_flux",
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"value": "magnetic flux",
"lang": "en"
},
{
"value": "flux d'induction magnétique",
"lang": "fr"
}
],
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"name": "magnetic flux",
"expression": "L2·M·T-2·I-1",
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{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "electric_current",
"symbol": "I",
"power": -1
}
],
"dimensionless": false
},
"units": [
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"id": "NISTu20",
"name": "weber",
"symbol": "Wb"
},
{
"id": "NISTu272",
"name": "statweber",
"symbol": "statWb"
},
{
"id": "NISTu58",
"name": "maxwell",
"symbol": "Mx"
}
],
"unit_count": 3,
"identifiers": [
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"type": "nist",
"id": "NISTq30"
},
{
"type": "unitsml",
"id": "q:magnetic_flux"
}
],
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"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/MGFL"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/MagneticFlux"
}
]
},
{
"id": "NISTq31",
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"value": "surface density",
"lang": "en"
},
{
"value": "areic mass",
"lang": "en"
},
{
"value": "masse surfacique",
"lang": "fr"
}
],
"short": "surface_density",
"type": "derived",
"dimension": {
"id": "NISTd51",
"name": "surface density",
"expression": "L-2·M",
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{
"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "mass",
"symbol": "M",
"power": 1
}
],
"dimensionless": false
},
"units": [
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"id": "NISTu27p10'3.u1e-2/1",
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}
],
"unit_count": 1,
"identifiers": [
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"type": "nist",
"id": "NISTq31"
},
{
"type": "unitsml",
"id": "q:surface_density"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/SUDE"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/AreaMass"
}
]
},
{
"id": "NISTq32",
"unitsml_id": "q:inductance",
"name": "inductance",
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"value": "inductance",
"lang": "en"
},
{
"value": "inductance",
"lang": "fr"
}
],
"short": "inductance",
"type": "derived",
"dimension": {
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"name": "inductance",
"expression": "L2·M·T-2·I-2",
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{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "electric_current",
"symbol": "I",
"power": -2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu22",
"name": "henry",
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}
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}
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}
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{
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"lang": "fr"
}
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"power": 1
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{
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{
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{
"value": "accélération",
"lang": "fr"
}
],
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"power": 1
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{
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"power": -2
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"type": "normative",
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},
{
"type": "informative",
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}
]
},
{
"id": "NISTq5",
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"value": "thermodynamic temperature",
"lang": "en"
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{
"value": "température thermodynamique",
"lang": "fr"
}
],
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"name": "temperature",
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"power": 1
}
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"id": "NISTu288",
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"id": "NISTu5",
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"symbol": "°K"
}
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"type": "informative",
"authority": "qudt",
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]
},
{
"id": "NISTq50",
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"lang": "en"
},
{
"value": "repetency",
"lang": "en"
},
{
"value": "nombre d'ondes",
"lang": "fr"
}
],
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"name": "wavenumber",
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"key": "length",
"symbol": "L",
"power": -1
}
],
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},
{
"type": "informative",
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}
]
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{
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{
"value": "mass density",
"lang": "en"
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{
"value": "masse volumique",
"lang": "fr"
}
],
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"power": -3
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"power": 1
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{
"id": "NISTu204",
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"id": "NISTu27p10'3.u1e-3/1",
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},
{
"type": "informative",
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"id": "NISTq52",
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"lang": "en"
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{
"value": "massic volume",
"lang": "en"
},
{
"value": "volume massique",
"lang": "fr"
}
],
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"power": 3
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"power": -1
}
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{
"type": "informative",
"authority": "qudt",
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]
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"id": "NISTq53",
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"lang": "en"
},
{
"value": "densité de courant",
"lang": "fr"
}
],
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{
"key": "length",
"symbol": "L",
"power": -2
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{
"key": "electric_current",
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"power": 1
}
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"id": "NISTu4.u1e-2/1",
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},
{
"type": "informative",
"authority": "qudt",
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}
]
},
{
"id": "NISTq54",
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"value": "magnetic field strength",
"lang": "en"
},
{
"value": "champ magnétique",
"lang": "fr"
}
],
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"name": "magnetic field strength",
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{
"key": "length",
"symbol": "L",
"power": -1
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"power": 1
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"type": "informative",
"authority": "qudt",
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}
]
},
{
"id": "NISTq55",
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"lang": "en"
},
{
"value": "amount concentration",
"lang": "en"
},
{
"value": "concentration de quantité de matière",
"lang": "fr"
}
],
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"key": "length",
"symbol": "L",
"power": -3
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{
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"power": 1
}
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"id": "NISTu366",
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{
"id": "NISTu6.u1e-3/1",
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{
"type": "informative",
"authority": "qudt",
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}
]
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{
"id": "NISTq56",
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"value": "luminance",
"lang": "en"
},
{
"value": "luminance lumineuse",
"lang": "fr"
}
],
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"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "luminous_intensity",
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"power": 1
}
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"dimensionless": false
},
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"name": "stilb",
"symbol": "sb"
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"id": "NISTu222",
"name": "lambert",
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},
{
"id": "NISTu277",
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{
"id": "NISTu7.u1e-2/1",
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Luminance"
}
]
},
{
"id": "NISTq57",
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"value": "angular velocity",
"lang": "en"
},
{
"value": "vitesse angulaire",
"lang": "fr"
}
],
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"name": "velocity",
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"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -1
}
],
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"id": "NISTu9.u3e-1/1",
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"type": "normative",
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},
{
"type": "informative",
"authority": "qudt",
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}
]
},
{
"id": "NISTq58",
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"value": "angular acceleration",
"lang": "en"
},
{
"value": "accelération angulaire",
"lang": "fr"
}
],
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"key": "time",
"symbol": "T",
"power": -2
}
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{
"type": "informative",
"authority": "qudt",
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}
]
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{
"id": "NISTq59",
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"value": "dynamic viscosity",
"lang": "en"
},
{
"value": "viscosité dynamique",
"lang": "fr"
}
],
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"key": "length",
"symbol": "L",
"power": -1
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -1
}
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"id": "NISTu12.u3",
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{
"id": "NISTu128",
"name": "poise",
"symbol": "P"
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{
"id": "NISTu97",
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}
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},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/DynamicViscosity"
}
]
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"value": "amount of substance",
"lang": "en"
},
{
"value": "quantité de matière",
"lang": "fr"
}
],
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"type": "base",
"dimension": {
"id": "NISTd6",
"name": "substance amount",
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"key": "amount_of_substance",
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"power": 1
}
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"dimensionless": false
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"id": "NISTu348",
"name": "pound-mole",
"symbol": "lbmol"
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{
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"symbol": "mol"
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"type": "nist",
"id": "NISTq6"
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"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/AMSU"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/AmountOfSubstance"
}
]
},
{
"id": "NISTq60",
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{
"value": "moment of force",
"lang": "en"
},
{
"value": "moment d’une force",
"lang": "fr"
}
],
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"id": "NISTd15",
"name": "energy",
"expression": "L2·M·T-2",
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{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
}
],
"dimensionless": false
},
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"id": "NISTu11.u1",
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"symbol": "N·m"
},
{
"id": "NISTu126",
"name": "kilogram-force meter",
"symbol": "kgf·m"
},
{
"id": "NISTu206",
"name": "foot pound-force",
"symbol": "ft·lbf"
}
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"type": "nist",
"id": "NISTq60"
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"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/TORQ"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/MomentOfForce"
}
]
},
{
"id": "NISTq61",
"unitsml_id": "q:surface_tension",
"name": "surface tension",
"names": [
{
"value": "surface tension",
"lang": "en"
},
{
"value": "tension superficielle",
"lang": "fr"
}
],
"short": "surface_tension",
"type": "derived",
"dimension": {
"id": "NISTd37",
"name": "surface tension",
"expression": "M·T-2",
"components": [
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"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
}
],
"dimensionless": false
},
"units": [
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"id": "NISTu11.u1e-1/1",
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"id": "NISTq61"
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"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/SUTE"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/SurfaceTension"
}
]
},
{
"id": "NISTq62",
"unitsml_id": "q:heat_flux_density",
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{
"value": "heat flux density",
"lang": "en"
},
{
"value": "flux thermique surfacique",
"lang": "fr"
}
],
"short": "heat_flux_density",
"type": "derived",
"dimension": {
"id": "NISTd38",
"name": "heat flux density",
"expression": "M·T-3",
"components": [
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"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -3
}
],
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},
"units": [
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"id": "NISTu14.u1e-2/1",
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"identifiers": [
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"id": "NISTq62"
},
{
"type": "unitsml",
"id": "q:heat_flux_density"
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"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/HEFD"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/HeatFluxDensity"
}
]
},
{
"id": "NISTq63",
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"value": "heat capacity",
"lang": "en"
},
{
"value": "capacité thermique",
"lang": "fr"
}
],
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"dimension": {
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"name": "heat capacity",
"expression": "L2·M·T-2·Theta-1",
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"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
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{
"key": "thermodynamic_temperature",
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"power": -1
}
],
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},
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"id": "NISTu13.u5e-1/1",
"name": "joule per kelvin",
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}
],
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"identifiers": [
{
"type": "nist",
"id": "NISTq63"
},
{
"type": "unitsml",
"id": "q:heat_capacity"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/HECA"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/HeatCapacity"
}
]
},
{
"id": "NISTq64",
"unitsml_id": "q:specific_heat_capacity",
"name": "specific heat capacity",
"names": [
{
"value": "specific heat capacity",
"lang": "en"
},
{
"value": "capacité thermique massique",
"lang": "fr"
}
],
"short": "specific_heat_capacity",
"type": "derived",
"dimension": {
"id": "NISTd40",
"name": "specific heat capacity",
"expression": "L2·T-2·Theta-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "thermodynamic_temperature",
"symbol": "Theta",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u27p10'3e-1/1.u5e-1/1",
"name": "joule per kilogram kelvin",
"symbol": "J/(kg·K)"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq64"
},
{
"type": "unitsml",
"id": "q:specific_heat_capacity"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/SHEC"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/SpecificHeatCapacity"
}
]
},
{
"id": "NISTq65",
"unitsml_id": "q:specific_energy",
"name": "specific energy",
"names": [
{
"value": "specific energy",
"lang": "en"
},
{
"value": "énergie massique",
"lang": "fr"
}
],
"short": "specific_energy",
"type": "derived",
"dimension": {
"id": "NISTd25",
"name": "absorbed dose",
"expression": "L2·T-2",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "time",
"symbol": "T",
"power": -2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u27p10'3e-1/1",
"name": "joule per kilogram",
"symbol": "J/kg"
}
],
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{
"type": "nist",
"id": "NISTq65"
},
{
"type": "unitsml",
"id": "q:specific_energy"
}
],
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{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/SENG"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/SpecificEnergy"
}
]
},
{
"id": "NISTq66",
"unitsml_id": "q:thermal_conductivity",
"name": "thermal conductivity",
"names": [
{
"value": "thermal conductivity",
"lang": "en"
},
{
"value": "conductivité thermique",
"lang": "fr"
}
],
"short": "thermal_conductivity",
"type": "derived",
"dimension": {
"id": "NISTd41",
"name": "thermal conductivity",
"expression": "L·M·T-3·Theta-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -3
},
{
"key": "thermodynamic_temperature",
"symbol": "Theta",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu14.u1e-1/1.u5e-1/1",
"name": "watt per meter kelvin",
"symbol": "W/(m·K)"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq66"
},
{
"type": "unitsml",
"id": "q:thermal_conductivity"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/TCON"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/ThermalConductivity"
}
]
},
{
"id": "NISTq67",
"unitsml_id": "q:energy_density",
"name": "energy density",
"names": [
{
"value": "energy density",
"lang": "en"
},
{
"value": "énergie volumique",
"lang": "fr"
}
],
"short": "energy_density",
"type": "derived",
"dimension": {
"id": "NISTd14",
"name": "pressure",
"expression": "L-1·M·T-2",
"components": [
{
"key": "length",
"symbol": "L",
"power": -1
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u1e-3/1",
"name": "joule per cubic meter",
"symbol": "J/m³"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq67"
},
{
"type": "unitsml",
"id": "q:energy_density"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/ENGD"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/EnergyDensity"
}
]
},
{
"id": "NISTq68",
"unitsml_id": "q:electric_field_strength",
"name": "electric field strength",
"names": [
{
"value": "electric field strength",
"lang": "en"
},
{
"value": "champ électrique",
"lang": "fr"
}
],
"short": "electric_field_strength",
"type": "derived",
"dimension": {
"id": "NISTd42",
"name": "electric field strength",
"expression": "L·M·T-3·I-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -3
},
{
"key": "electric_current",
"symbol": "I",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu16.u1e-1/1",
"name": "volt per meter",
"symbol": "V/m"
},
{
"id": "NISTu259",
"name": "atomic unit of electric field",
"symbol": "𝐸ₕ/𝑒𝑎₀"
}
],
"unit_count": 2,
"identifiers": [
{
"type": "nist",
"id": "NISTq68"
},
{
"type": "unitsml",
"id": "q:electric_field_strength"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/ELFS"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/ElectricFieldStrength"
}
]
},
{
"id": "NISTq69",
"unitsml_id": "q:electric_charge_density",
"name": "electric charge density",
"names": [
{
"value": "electric charge density",
"lang": "en"
},
{
"value": "charge électrique volumique",
"lang": "fr"
}
],
"short": "electric_charge_density",
"type": "derived",
"dimension": {
"id": "NISTd43",
"name": "electric charge density",
"expression": "L-3·T·I",
"components": [
{
"key": "length",
"symbol": "L",
"power": -3
},
{
"key": "time",
"symbol": "T",
"power": 1
},
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu15.u1e-3/1",
"name": "coulomb per cubic meter",
"symbol": "C/m³"
},
{
"id": "NISTu256",
"name": "atomic unit of charge density",
"symbol": "𝑒𝑎₀³"
}
],
"unit_count": 2,
"identifiers": [
{
"type": "nist",
"id": "NISTq69"
},
{
"type": "unitsml",
"id": "q:electric_charge_density"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/ELCD"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/ElectricChargeDensity"
}
]
},
{
"id": "NISTq7",
"unitsml_id": "q:luminous_intensity",
"name": "luminous intensity",
"names": [
{
"value": "luminous intensity",
"lang": "en"
},
{
"value": "intensité lumineuse",
"lang": "fr"
}
],
"short": "luminous_intensity",
"type": "base",
"dimension": {
"id": "NISTd7",
"name": "luminous intensity",
"expression": "J",
"components": [
{
"key": "luminous_intensity",
"symbol": "J",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu7",
"name": "candela",
"symbol": "cd"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq7"
},
{
"type": "unitsml",
"id": "q:luminous_intensity"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/LUIN"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/LuminousIntensity"
}
]
},
{
"id": "NISTq70",
"unitsml_id": "q:electric_flux_density",
"name": "electric flux density",
"names": [
{
"value": "electric flux density",
"lang": "en"
},
{
"value": "induction électrique",
"lang": "fr"
}
],
"short": "electric_flux_density",
"type": "derived",
"dimension": {
"id": "NISTd44",
"name": "electric flux density",
"expression": "L-2·T·I",
"components": [
{
"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "time",
"symbol": "T",
"power": 1
},
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
},
"units": [],
"unit_count": 0,
"identifiers": [
{
"type": "nist",
"id": "NISTq70"
},
{
"type": "unitsml",
"id": "q:electric_flux_density"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/ELFD"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/ElectricFluxDensity"
}
]
},
{
"id": "NISTq71",
"unitsml_id": "q:permittivity",
"name": "permittivity",
"names": [
{
"value": "permittivity",
"lang": "en"
},
{
"value": "permittivité",
"lang": "fr"
}
],
"short": "permittivity",
"type": "derived",
"dimension": {
"id": "NISTd45",
"name": "permittivity",
"expression": "L-3·M-1·T4·I2",
"components": [
{
"key": "length",
"symbol": "L",
"power": -3
},
{
"key": "mass",
"symbol": "M",
"power": -1
},
{
"key": "time",
"symbol": "T",
"power": 4
},
{
"key": "electric_current",
"symbol": "I",
"power": 2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu17.u1e-1/1",
"name": "farad per meter",
"symbol": "F/m"
},
{
"id": "NISTu293",
"name": "atomic unit of permittivity",
"symbol": "𝑒²/𝑎₀𝐸ₕ"
}
],
"unit_count": 2,
"identifiers": [
{
"type": "nist",
"id": "NISTq71"
},
{
"type": "unitsml",
"id": "q:permittivity"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/PRMI"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Permittivity"
}
]
},
{
"id": "NISTq72",
"unitsml_id": "q:permeability",
"name": "permeability",
"names": [
{
"value": "permeability",
"lang": "en"
},
{
"value": "perméabilitté",
"lang": "fr"
}
],
"short": "permeability",
"type": "derived",
"dimension": {
"id": "NISTd46",
"name": "permeability",
"expression": "L·M·T-2·I-2",
"components": [
{
"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "electric_current",
"symbol": "I",
"power": -2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu157",
"name": "darcy",
"symbol": "D"
},
{
"id": "NISTu22.u1e-1/1",
"name": "henry per meter",
"symbol": "H/m"
}
],
"unit_count": 2,
"identifiers": [
{
"type": "nist",
"id": "NISTq72"
},
{
"type": "unitsml",
"id": "q:permeability"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/PRME"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/ElectromagneticPermeability"
}
]
},
{
"id": "NISTq73",
"unitsml_id": "q:molar_energy",
"name": "molar energy",
"names": [
{
"value": "molar energy",
"lang": "en"
},
{
"value": "énergie molaire",
"lang": "fr"
}
],
"short": "molar_energy",
"type": "derived",
"dimension": {
"id": "NISTd47",
"name": "molar energy",
"expression": "L2·M·T-2·N-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "amount_of_substance",
"symbol": "N",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u6e-1/1",
"name": "joule per mole",
"symbol": "J/mol"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq73"
},
{
"type": "unitsml",
"id": "q:molar_energy"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/MOEG"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/MolarEnergy"
}
]
},
{
"id": "NISTq74",
"unitsml_id": "q:molar_entropy",
"name": "molar entropy",
"names": [
{
"value": "molar entropy",
"lang": "en"
},
{
"value": "entropie molaire",
"lang": "fr"
}
],
"short": "molar_entropy",
"type": "derived",
"dimension": {
"id": "NISTd48",
"name": "molar entropy",
"expression": "L2·M·T-2·Theta-1·N-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "thermodynamic_temperature",
"symbol": "Theta",
"power": -1
},
{
"key": "amount_of_substance",
"symbol": "N",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u6e-1/1.u5e-1/1",
"name": "joule per mole kelvin",
"symbol": "J/(mol·K)"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq74"
},
{
"type": "unitsml",
"id": "q:molar_entropy"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/MOEN"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/MolarEntropy"
}
]
},
{
"id": "NISTq75",
"unitsml_id": "q:exposure_x_and_gamma_rays",
"name": "exposure (x and gamma rays)",
"names": [
{
"value": "exposure (x and gamma rays)",
"lang": "en"
}
],
"short": "exposure_x_and_gamma_rays",
"type": "derived",
"dimension": {
"id": "NISTd49",
"name": "exposure",
"expression": "M-1·T·I",
"components": [
{
"key": "mass",
"symbol": "M",
"power": -1
},
{
"key": "time",
"symbol": "T",
"power": 1
},
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu118",
"name": "roentgen",
"symbol": "R"
},
{
"id": "NISTu15.u27p10'3e-1/1",
"name": "coulomb per kilogram",
"symbol": "C/kg"
}
],
"unit_count": 2,
"identifiers": [
{
"type": "nist",
"id": "NISTq75"
},
{
"type": "unitsml",
"id": "q:exposure_x_and_gamma_rays"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/ExposureOfIonizingRadiation"
}
]
},
{
"id": "NISTq76",
"unitsml_id": "q:absorbed_dose_rate",
"name": "absorbed dose rate",
"names": [
{
"value": "absorbed dose rate",
"lang": "en"
},
{
"value": "débit de dose absorbée",
"lang": "fr"
}
],
"short": "absorbed_dose_rate",
"type": "derived",
"dimension": {
"id": "NISTd50",
"name": "absorbed dose rate",
"expression": "L2·T-3",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "time",
"symbol": "T",
"power": -3
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu28.u3e-1/1",
"name": "gray per second",
"symbol": "Gy/s"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq76"
},
{
"type": "unitsml",
"id": "q:absorbed_dose_rate"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/ABDR"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/AbsorbedDoseRate"
}
]
},
{
"id": "NISTq77",
"unitsml_id": "q:potential_energy",
"name": "potential energy",
"names": [
{
"value": "potential energy",
"lang": "en"
}
],
"short": "potential_energy",
"type": "derived",
"dimension": {
"id": "NISTd15",
"name": "energy",
"expression": "L2·M·T-2",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu117",
"name": "therm (EC)",
"symbol": "thm (EC)"
},
{
"id": "NISTu13",
"name": "joule",
"symbol": "J"
},
{
"id": "NISTu14.u3",
"name": "watt second",
"symbol": "W·s"
},
{
"id": "NISTu206",
"name": "foot pound-force",
"symbol": "ft·lbf"
},
{
"id": "NISTu227",
"name": "thermochemical calorie",
"symbol": "cal"
},
{
"id": "NISTu331",
"name": "therm (US)",
"symbol": "thm (US)"
},
{
"id": "NISTu60",
"name": "I.T. calorie",
"symbol": "cal_IT"
},
{
"id": "NISTu62",
"name": "erg",
"symbol": "erg"
},
{
"id": "NISTu63",
"name": "kilocalorie_IT",
"symbol": "kcal_IT"
},
{
"id": "NISTu64",
"name": "kilocalorie_th",
"symbol": "kcal_th"
},
{
"id": "NISTu65",
"name": "kilowatt hour",
"symbol": "kW·h"
},
{
"id": "NISTu69",
"name": "watt hour",
"symbol": "W·h"
}
],
"unit_count": 12,
"identifiers": [
{
"type": "nist",
"id": "NISTq77"
},
{
"type": "unitsml",
"id": "q:potential_energy"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/PotentialEnergy"
}
]
},
{
"id": "NISTq78",
"unitsml_id": "q:irradiance",
"name": "irradiance",
"names": [
{
"value": "irradiance",
"lang": "en"
}
],
"short": "irradiance",
"type": "derived",
"dimension": {
"id": "NISTd38",
"name": "heat flux density",
"expression": "M·T-3",
"components": [
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -3
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu14.u1e-2/1",
"name": "watt per square meter",
"symbol": "W/m²"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq78"
},
{
"type": "unitsml",
"id": "q:irradiance"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Irradiance"
}
]
},
{
"id": "NISTq79",
"unitsml_id": "q:entropy",
"name": "entropy",
"names": [
{
"value": "entropy",
"lang": "en"
}
],
"short": "entropy",
"type": "derived",
"dimension": {
"id": "NISTd39",
"name": "heat capacity",
"expression": "L2·M·T-2·Theta-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "thermodynamic_temperature",
"symbol": "Theta",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u5e-1/1",
"name": "joule per kelvin",
"symbol": "J/K"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq79"
},
{
"type": "unitsml",
"id": "q:entropy"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Entropy"
}
]
},
{
"id": "NISTq8",
"unitsml_id": "q:area",
"name": "area",
"names": [
{
"value": "area",
"lang": "en"
},
{
"value": "superficie",
"lang": "fr"
}
],
"short": "area",
"type": "derived",
"dimension": {
"id": "NISTd8",
"name": "area",
"expression": "L2",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu164",
"name": "square yard",
"symbol": "yd²"
},
{
"id": "NISTu165",
"name": "square mile",
"symbol": "mi²"
},
{
"id": "NISTu1e2/1",
"name": "square meter",
"symbol": "m²"
},
{
"id": "NISTu283",
"name": "circular mil",
"symbol": "cmil"
},
{
"id": "NISTu317",
"name": "acre (based on US survey foot)",
"symbol": "ac"
},
{
"id": "NISTu42",
"name": "are",
"symbol": "a"
},
{
"id": "NISTu43",
"name": "barn",
"symbol": "b"
},
{
"id": "NISTu44",
"name": "hectare",
"symbol": "ha"
},
{
"id": "NISTu45",
"name": "square foot",
"symbol": "ft²"
},
{
"id": "NISTu46",
"name": "square inch",
"symbol": "in²"
}
],
"unit_count": 10,
"identifiers": [
{
"type": "nist",
"id": "NISTq8"
},
{
"type": "unitsml",
"id": "q:area"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/AREA"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Area"
}
]
},
{
"id": "NISTq80",
"unitsml_id": "q:specific_entropy",
"name": "specific entropy",
"names": [
{
"value": "specific entropy",
"lang": "en"
}
],
"short": "specific_entropy",
"type": "derived",
"dimension": {
"id": "NISTd40",
"name": "specific heat capacity",
"expression": "L2·T-2·Theta-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "thermodynamic_temperature",
"symbol": "Theta",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u27p10'3e-1/1.u5e-1/1",
"name": "joule per kilogram kelvin",
"symbol": "J/(kg·K)"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq80"
},
{
"type": "unitsml",
"id": "q:specific_entropy"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/SpecificEntropy"
}
]
},
{
"id": "NISTq81",
"unitsml_id": "q:surface_charge_density",
"name": "surface charge density",
"names": [
{
"value": "surface charge density",
"lang": "en"
},
{
"value": "charge électrique surfacique",
"lang": "fr"
}
],
"short": "surface_charge_density",
"type": "derived",
"dimension": {
"id": "NISTd53",
"name": "surface charge density",
"expression": "M-2·T·I",
"components": [
{
"key": "mass",
"symbol": "M",
"power": -2
},
{
"key": "time",
"symbol": "T",
"power": 1
},
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu15.u1e-2/1",
"name": "coulomb per square meter",
"symbol": "C/m²"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq81"
},
{
"type": "unitsml",
"id": "q:surface_charge_density"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/SUCD"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/AreaChargeDensity"
}
]
},
{
"id": "NISTq82",
"unitsml_id": "q:electric_displacement",
"name": "electric displacement",
"names": [
{
"value": "electric displacement",
"lang": "en"
}
],
"short": "electric_displacement",
"type": "derived",
"dimension": {
"id": "NISTd44",
"name": "electric flux density",
"expression": "L-2·T·I",
"components": [
{
"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "time",
"symbol": "T",
"power": 1
},
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu15.u1e-2/1",
"name": "coulomb per square meter",
"symbol": "C/m²"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq82"
},
{
"type": "unitsml",
"id": "q:electric_displacement"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/ElectricDisplacement"
}
]
},
{
"id": "NISTq83",
"unitsml_id": "q:molar_heat_capacity",
"name": "molar heat capacity",
"names": [
{
"value": "molar heat capacity",
"lang": "en"
}
],
"short": "molar_heat_capacity",
"type": "derived",
"dimension": {
"id": "NISTd48",
"name": "molar entropy",
"expression": "L2·M·T-2·Theta-1·N-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -2
},
{
"key": "thermodynamic_temperature",
"symbol": "Theta",
"power": -1
},
{
"key": "amount_of_substance",
"symbol": "N",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu13.u6e-1/1.u5e-1/1",
"name": "joule per mole kelvin",
"symbol": "J/(mol·K)"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq83"
},
{
"type": "unitsml",
"id": "q:molar_heat_capacity"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/MolarHeatCapacity"
}
]
},
{
"id": "NISTq84",
"unitsml_id": "q:catalytic_activity_concentration",
"name": "catalytic activity concentration",
"names": [
{
"value": "catalytic activity concentration",
"lang": "en"
},
{
"value": "concentration de l’activité catalytique",
"lang": "fr"
}
],
"short": "catalytic_activity_concentration",
"type": "derived",
"dimension": {
"id": "NISTd55",
"name": "catalytic activity concentration",
"expression": "M-3·T-1·N",
"components": [
{
"key": "mass",
"symbol": "M",
"power": -3
},
{
"key": "time",
"symbol": "T",
"power": -1
},
{
"key": "amount_of_substance",
"symbol": "N",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu30.u1e-3/1",
"name": "katal per cubic meter",
"symbol": "kat/m³"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq84"
},
{
"type": "unitsml",
"id": "q:catalytic_activity_concentration"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/CTAC"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/CatalyticActivityConcentration"
}
]
},
{
"id": "NISTq85",
"unitsml_id": "q:kinematic_viscosity",
"name": "kinematic viscosity",
"names": [
{
"value": "kinematic viscosity",
"lang": "en"
},
{
"value": "viscosité cinématique",
"lang": "fr"
}
],
"short": "kinematic_viscosity",
"type": "derived",
"dimension": {
"id": "NISTd56",
"name": "kinematic viscosity",
"expression": "L2·T-1",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "time",
"symbol": "T",
"power": -1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu121",
"name": "centistokes",
"symbol": "cSt"
},
{
"id": "NISTu142",
"name": "stokes",
"symbol": "St"
},
{
"id": "NISTu1e2/1.u3e-1/1",
"name": "meter squared per second",
"symbol": "m²/s"
},
{
"id": "NISTu210",
"name": "foot squared per second",
"symbol": "ft²/s"
}
],
"unit_count": 4,
"identifiers": [
{
"type": "nist",
"id": "NISTq85"
},
{
"type": "unitsml",
"id": "q:kinematic_viscosity"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/KIVI"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/KinematicViscosity"
}
]
},
{
"id": "NISTq87",
"unitsml_id": "q:magnetic_field",
"name": "magnetic field",
"names": [
{
"value": "magnetic field",
"lang": "en"
}
],
"short": "magnetic_field",
"type": "derived",
"dimension": {
"id": "NISTd33",
"name": "magnetic field strength",
"expression": "L-1·I",
"components": [
{
"key": "length",
"symbol": "L",
"power": -1
},
{
"key": "electric_current",
"symbol": "I",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu144",
"name": "oersted",
"symbol": "Oe"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq87"
},
{
"type": "unitsml",
"id": "q:magnetic_field"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/MagneticField"
}
]
},
{
"id": "NISTq88",
"unitsml_id": "q:radiant_intensity",
"name": "radiant intensity",
"names": [
{
"value": "radiant intensity",
"lang": "en"
},
{
"value": "intensité énergétique",
"lang": "fr"
}
],
"short": "radiant_intensity",
"type": "derived",
"dimension": {
"id": "NISTd16",
"name": "power",
"expression": "L2·M·T-3",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
},
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -3
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu14.u10e-1/1",
"name": "watt per steradian",
"symbol": "W/sr"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq88"
},
{
"type": "unitsml",
"id": "q:radiant_intensity"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/RAIN"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/RadiantIntensity"
}
]
},
{
"id": "NISTq89",
"unitsml_id": "q:radiance",
"name": "radiance",
"names": [
{
"value": "radiance",
"lang": "en"
},
{
"value": "luminance énergétique",
"lang": "fr"
}
],
"short": "radiance",
"type": "derived",
"dimension": {
"id": "NISTd38",
"name": "heat flux density",
"expression": "M·T-3",
"components": [
{
"key": "mass",
"symbol": "M",
"power": 1
},
{
"key": "time",
"symbol": "T",
"power": -3
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu14.u1e-2/1.u10e-1/1",
"name": "watt per square meter steradian",
"symbol": "W/(m²·sr)"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq89"
},
{
"type": "unitsml",
"id": "q:radiance"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/RADI"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Radiance"
}
]
},
{
"id": "NISTq9",
"unitsml_id": "q:plane_angle",
"name": "plane angle",
"names": [
{
"value": "plane angle",
"lang": "en"
},
{
"value": "angle",
"lang": "en"
},
{
"value": "angle plan",
"lang": "fr"
}
],
"short": "plane_angle",
"type": "derived",
"dimension": {
"id": "NISTd9",
"name": "plane angle",
"expression": "1",
"components": [
{
"key": "plane_angle",
"symbol": "phi",
"power": 1
}
],
"dimensionless": true
},
"units": [
{
"id": "NISTu147",
"name": "arcminute",
"symbol": "′"
},
{
"id": "NISTu148",
"name": "arcsecond",
"symbol": "as"
},
{
"id": "NISTu149",
"name": "degree (degree of arc)",
"symbol": "º"
},
{
"id": "NISTu159",
"name": "gon",
"symbol": "gon"
},
{
"id": "NISTu347",
"name": "angular mil (NATO)",
"symbol": "mil"
},
{
"id": "NISTu9",
"name": "radian",
"symbol": "rad"
}
],
"unit_count": 6,
"identifiers": [
{
"type": "nist",
"id": "NISTq9"
},
{
"type": "unitsml",
"id": "q:plane_angle"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/ANGP"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/PlaneAngle"
}
]
},
{
"id": "NISTq90",
"unitsml_id": "q:logarithmic_ratio_quantities",
"name": "ratio logarithm (B)",
"names": [
{
"value": "ratio logarithm (B)",
"lang": "en"
},
{
"value": "logarithmic ratio quantities (power-like quantities using decimal logarithms)",
"lang": "en"
},
{
"value": "logarithme d'un rapport (B)",
"lang": "fr"
}
],
"short": "logarithmic_ratio_quantities",
"type": "derived",
"dimension": {
"id": "NISTd67",
"name": "logarithmic ratio",
"expression": "1",
"components": [],
"dimensionless": true
},
"units": [
{
"id": "NISTu153",
"name": "neper",
"symbol": "Np"
},
{
"id": "NISTu154",
"name": "bel",
"symbol": "B"
},
{
"id": "NISTu155",
"name": "decibel",
"symbol": "dB"
},
{
"id": "NISTu381",
"name": "dBm",
"symbol": "dB_mW"
}
],
"unit_count": 4,
"identifiers": [
{
"type": "nist",
"id": "NISTq90"
},
{
"type": "unitsml",
"id": "q:logarithmic_ratio_quantities"
}
],
"references": [
{
"type": "normative",
"authority": "si-digital-framework",
"uri": "http://si-digital-framework.org/quantities/RLGB"
},
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/LinearLogarithmicRatio"
}
]
},
{
"id": "NISTq91",
"unitsml_id": "q:fluidity",
"name": "fluidity",
"names": [
{
"value": "fluidity",
"lang": "en"
},
{
"value": "reciprocal of dynamic viscosity",
"lang": "en"
}
],
"short": "fluidity",
"type": "derived",
"dimension": {
"id": "NISTd52",
"name": "fluidity",
"expression": "L·M-1·T",
"components": [
{
"key": "length",
"symbol": "L",
"power": 1
},
{
"key": "mass",
"symbol": "M",
"power": -1
},
{
"key": "time",
"symbol": "T",
"power": 1
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu129",
"name": "rhe",
"symbol": "rhe"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq91"
},
{
"type": "unitsml",
"id": "q:fluidity"
}
],
"references": [
{
"type": "informative",
"authority": "qudt",
"uri": "http://qudt.org/vocab/quantitykind/Fluidity"
}
]
},
{
"id": "NISTq92",
"unitsml_id": "q:hydrodynamic_permeability",
"name": "hydrodynamic permeability",
"names": [
{
"value": "hydrodynamic permeability",
"lang": "en"
}
],
"short": "hydrodynamic_permeability",
"type": "derived",
"dimension": {
"id": "NISTd8",
"name": "area",
"expression": "L2",
"components": [
{
"key": "length",
"symbol": "L",
"power": 2
}
],
"dimensionless": false
},
"units": [
{
"id": "NISTu157",
"name": "darcy",
"symbol": "D"
}
],
"unit_count": 1,
"identifiers": [
{
"type": "nist",
"id": "NISTq92"
},
{
"type": "unitsml",
"id": "q:hydrodynamic_permeability"
}
],
"references": []
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"power": 1
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{
"key": "time",
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"power": -1
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"id": "NISTq117",
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"name": "heat capacity"
},
{
"id": "NISTq79",
"name": "entropy"
}
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"id": "NISTd39"
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"symbol": "I",
"power": 1
}
],
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{
"id": "NISTq161",
"name": "magnetomotive force (Cardelli) (-SP811)"
},
{
"id": "NISTq170",
"name": "electric current intensity"
},
{
"id": "NISTq4",
"name": "electric current"
}
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"value": "specific heat capacity",
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}
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"power": 2
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"key": "thermodynamic_temperature",
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"power": -1
}
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{
"id": "NISTq64",
"name": "specific heat capacity"
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{
"id": "NISTq80",
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}
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}
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"key": "thermodynamic_temperature",
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}
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}
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"value": "electric field strength",
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}
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"power": 1
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"power": -3
},
{
"key": "electric_current",
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"power": -1
}
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"id": "NISTq68",
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"power": -3
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"power": -2
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"power": 1
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"power": 1
}
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"id": "NISTq82",
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}
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}
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"power": -3
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{
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"power": -1
},
{
"key": "time",
"symbol": "T",
"power": 4
},
{
"key": "electric_current",
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"power": 2
}
],
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"id": "NISTq71",
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}
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}
]
},
{
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"value": "permeability",
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}
],
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"power": 1
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{
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"power": 1
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{
"key": "time",
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"power": -2
},
{
"key": "electric_current",
"symbol": "I",
"power": -2
}
],
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{
"id": "NISTq72",
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}
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"type": "unitsml",
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}
]
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{
"value": "molar energy",
"lang": "en"
}
],
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"power": 2
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"key": "mass",
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"power": 1
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{
"key": "time",
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"power": -2
},
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"key": "amount_of_substance",
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"power": -1
}
],
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"id": "NISTq73",
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}
]
},
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"value": "molar entropy",
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}
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"power": 2
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{
"key": "time",
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"power": -2
},
{
"key": "thermodynamic_temperature",
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},
{
"key": "amount_of_substance",
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"power": -1
}
],
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"id": "NISTq74",
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{
"id": "NISTq83",
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}
]
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{
"id": "NISTd49",
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"value": "exposure",
"lang": "en"
}
],
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"power": -1
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"power": 1
}
],
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"id": "NISTq197",
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"id": "NISTq75",
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}
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},
{
"id": "NISTq193",
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{
"id": "NISTq196",
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"id": "NISTq34",
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"id": "NISTq5",
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"power": 2
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{
"key": "time",
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"power": -3
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"key": "length",
"symbol": "L",
"power": -2
},
{
"key": "mass",
"symbol": "M",
"power": 1
}
],
"quantities": [
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"id": "NISTq31",
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}
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"key": "electric_current",
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"power": 1
}
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},
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"power": 2
},
{
"key": "mass",
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"power": 1
},
{
"key": "time",
"symbol": "T",
"power": 2
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"key": "electric_current",
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"power": 2
}
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"id": "NISTq163",
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],
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"power": -3
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"power": 2
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"power": -1
}
],
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"power": 4
}
],
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"id": "NISTq155",
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"power": -1
},
{
"key": "mass",
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"power": 1
}
],
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{
"id": "NISTq126",
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{
"id": "NISTq176",
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