electric field gradient

{
  "id": "NISTd74",
  "unitsml_id": "d:electric_field_gradient",
  "name": "electric field gradient",
  "names": [
    {
      "value": "electric field gradient",
      "lang": "en"
    }
  ],
  "expression": "M·T-3·I-1",
  "dimensionless": false,
  "components": [
    {
      "key": "mass",
      "symbol": "M",
      "power": 1
    },
    {
      "key": "time",
      "symbol": "T",
      "power": -3
    },
    {
      "key": "electric_current",
      "symbol": "I",
      "power": -1
    }
  ],
  "quantities": [
    {
      "id": "NISTq165",
      "name": "electric field gradient"
    }
  ],
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTd74"
    },
    {
      "type": "unitsml",
      "id": "d:electric_field_gradient"
    }
  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/dimensionvector/A0E-1L0I0M1H0T-3D0"
    }
  ]
}