watt per square meter kelvin

{
  "id": "NISTu221",
  "unitsml_id": "u:watt_per_square_meter_kelvin",
  "name": "watt per square meter kelvin",
  "names": [
    {
      "value": "watt per square meter kelvin",
      "lang": "en"
    }
  ],
  "symbols": {
    "unicode": "W/(m²·K)",
    "ascii": "W*m^-2*K^-1",
    "html": "W/(m&nbsp;<sup>2</sup>&#8201;&#183;&#8201;K)",
    "latex": "\\ensuremath{\\mathrm{W/(m^2\\cdot K)}}",
    "id": "W*m^-2*K^-1",
    "mathml": "<mrow><mi mathvariant='normal'>W</mi><mo>/</mo><mrow><mo>(</mo><msup><mrow><mi mathvariant='normal'>m</mi></mrow><mrow><mn>2</mn></mrow></msup><mo>&#183;</mo><mi mathvariant='normal'>K</mi><mo>)</mo></mrow></mrow>"
  },
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTu221"
    },
    {
      "type": "unitsml",
      "id": "u:watt_per_square_meter_kelvin"
    }
  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/unit/W-PER-M2-K"
    }
  ],
  "short": "watt_per_square_meter_kelvin",
  "root": false,
  "composite": true,
  "quantities": [
    {
      "id": "NISTq180",
      "name": "coefficient of heat transfer",
      "type": "derived"
    },
    {
      "id": "NISTq181",
      "name": "surface coefficient of heat transfer",
      "type": "derived"
    }
  ],
  "dimension": {
    "id": "NISTd71",
    "name": "heat transfer coefficient",
    "expression": "M·T-3·Theta-1",
    "components": [
      {
        "key": "mass",
        "symbol": "M",
        "power": 1
      },
      {
        "key": "time",
        "symbol": "T",
        "power": -3
      },
      {
        "key": "thermodynamic_temperature",
        "symbol": "Theta",
        "power": -1
      }
    ],
    "dimensionless": false
  },
  "scale": {
    "id": "continuous_ratio",
    "name": "continuous ratio scale"
  },
  "systems": [
    {
      "id": "non-SI_not_acceptable",
      "name": "non-SI and not acceptable",
      "short": "nonsi-unacceptable",
      "acceptable": false
    }
  ],
  "root_units": [
    {
      "power": -1,
      "unit": {
        "id": "NISTu5",
        "name": "kelvin",
        "symbol": "°K"
      },
      "prefix": null
    }
  ]
}