nil

{
  "id": "NISTq188",
  "unitsml_id": "q:nil",
  "name": "nil",
  "names": [
    {
      "value": "nil",
      "lang": "en"
    }
  ],
  "short": "nil",
  "type": "derived",
  "dimension": {
    "id": "NISTd80",
    "name": "ratio quantity",
    "expression": "1",
    "components": [],
    "dimensionless": true
  },
  "units": [
    {
      "id": "NISTu61",
      "name": "one",
      "symbol": "1"
    }
  ],
  "unit_count": 1,
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTq188"
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    {
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      "id": "q:nil"
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  ],
  "references": []
}