gray

{
  "id": "NISTu28",
  "unitsml_id": "u:gray",
  "name": "gray",
  "names": [
    {
      "value": "gray",
      "lang": "en"
    },
    {
      "value": "gray",
      "lang": "fr"
    }
  ],
  "symbols": {
    "unicode": "Gy",
    "ascii": "Gy",
    "html": "Gy",
    "latex": "\\ensuremath{\\mathrm{Gy}}",
    "id": "Gy",
    "mathml": "<mi mathvariant='normal'>Gy</mi>"
  },
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTu28"
    },
    {
      "type": "unitsml",
      "id": "u:gray"
    }
  ],
  "references": [
    {
      "type": "normative",
      "authority": "si-digital-framework",
      "uri": "http://si-digital-framework.org/SI/units/gray"
    },
    {
      "type": "informative",
      "authority": "ucum",
      "uri": "ucum:unit:si:code:Gy"
    },
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/unit/GRAY"
    }
  ],
  "short": "gray",
  "root": true,
  "composite": true,
  "quantities": [
    {
      "id": "NISTq36",
      "name": "absorbed dose",
      "type": "derived"
    },
    {
      "id": "NISTq37",
      "name": "specific energy imparted",
      "type": "derived"
    },
    {
      "id": "NISTq38",
      "name": "kerma",
      "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
  },
  "scale": {
    "id": "continuous_ratio",
    "name": "continuous ratio scale"
  },
  "systems": [
    {
      "id": "SI_derived_special",
      "name": "SI-derived units special",
      "short": "si-derived-special",
      "acceptable": true
    },
    {
      "id": "SI_compatible",
      "name": "Units compatible with SI",
      "short": "si-compatible",
      "acceptable": true
    }
  ],
  "root_units": [
    {
      "power": -2,
      "unit": {
        "id": "NISTu1",
        "name": "metre",
        "symbol": "m"
      },
      "prefix": null
    },
    {
      "power": 1,
      "unit": {
        "id": "NISTu7",
        "name": "candela",
        "symbol": "cd"
      },
      "prefix": null
    }
  ]
}