Work in progress

<rdf:RDF
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:j.0="http://qudt.org/schema/qudt/"
    xmlns:j.1="http://purl.org/dc/terms/"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
  <rdf:Description rdf:about="http://qudt.org/vocab/unit/GRAIN-PER-GAL">
    <j.0:expression rdf:datatype="http://qudt.org/schema/qudt/LatexString">$gr/gal$</j.0:expression>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:hasFactorUnit rdf:nodeID="A0"/>
    <rdfs:label xml:lang="en">Grain per Gallon</rdfs:label>
    <j.0:uneceCommonCode>K41</j.0:uneceCommonCode>
    <j.0:symbol>grain{UK}/gal</j.0:symbol>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/USCS"/>
    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">1.7118061E-2</j.0:conversionMultiplierSN>
    <j.1:description rdf:datatype="http://qudt.org/schema/qudt/LatexString">"Grain per Gallon" is an Imperial unit for  'Density' expressed as $gr/gal$.</j.1:description>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L-3I0M1H0T0D0"/>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">[gr].[gal_br]-1</j.0:ucumCode>
    <j.0:definedUnitOfSystem rdf:resource="http://qudt.org/vocab/sou/USCS"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/Density"/>
    <j.0:definedUnitOfSystem rdf:resource="http://qudt.org/vocab/sou/IMPERIAL"/>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/3.1.2/vocab/unit"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/MassDensity"/>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">0.017118061</j.0:conversionMultiplier>
    <j.0:hasFactorUnit rdf:nodeID="A1"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/IMPERIAL"/>
  </rdf:Description>
</rdf:RDF>

@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://qudt.org/vocab/unit/GRAIN-PER-GAL>
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://purl.org/dc/terms/description> "\"Grain per Gallon\" is an Imperial unit for  'Density' expressed as $gr/gal$."^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/IMPERIAL> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/USCS> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 0.017118061 ;
  <http://qudt.org/schema/qudt/conversionMultiplierSN> 1.7118061E-2 ;
  <http://qudt.org/schema/qudt/definedUnitOfSystem> <http://qudt.org/vocab/sou/IMPERIAL> ;
  <http://qudt.org/schema/qudt/definedUnitOfSystem> <http://qudt.org/vocab/sou/USCS> ;
  <http://qudt.org/schema/qudt/expression> "$gr/gal$"^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L-3I0M1H0T0D0> ;
  <http://qudt.org/schema/qudt/hasFactorUnit> [] ;
  <http://qudt.org/schema/qudt/hasFactorUnit> [] ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/Density> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/MassDensity> ;
  <http://qudt.org/schema/qudt/symbol> "grain{UK}/gal" ;
  <http://qudt.org/schema/qudt/ucumCode> "[gr].[gal_br]-1"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  <http://qudt.org/schema/qudt/uneceCommonCode> "K41" ;
  rdfs:isDefinedBy <http://qudt.org/3.1.2/vocab/unit> ;
  rdfs:label "Grain per Gallon"@en ;
.

{"resource":"Grain per Gallon" 
 ,"qname":"unit:GRAIN-PER-GAL" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/GRAIN-PER-GAL" 
 ,"properties":["applicable system":"sou:IMPERIAL" 
    ,"applicable system":"sou:USCS" 
    ,"conversion multiplier":"0.017118061" 
    ,"conversion multiplier scientific":"1.7118061E-2" 
    ,"defined unit of system":"sou:IMPERIAL" 
    ,"defined unit of system":"sou:USCS" 
    ,"description":"\"Grain per Gallon\" is an Imperial unit for  'Density' expressed as $gr\/gal$." 
    ,"expression":"$gr\/gal$" 
    ,"has dimension vector":"dimension:A0E0L-3I0M1H0T0D0" 
    ,"has quantity kind":"quantitykind:Density" 
    ,"has quantity kind":"quantitykind:MassDensity" 
    ,"hasFactorUnit":null 
    ,"hasFactorUnit":null 
    ,"isDefinedBy":"<http:\/\/qudt.org\/3.1.2\/vocab\/unit>" 
    ,"label":"Grain per Gallon" 
    ,"symbol":"grain{UK}\/gal" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"[gr].[gal_br]-1" 
    ,"unece common code":"K41" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/GRAIN-PER-GAL",
  "@type" : "http://qudt.org/schema/qudt/Unit",
  "description" : "\"Grain per Gallon\" is an Imperial unit for  'Density' expressed as $gr/gal$.",
  "applicableSystem" : [ "http://qudt.org/vocab/sou/USCS", "http://qudt.org/vocab/sou/IMPERIAL" ],
  "conversionMultiplier" : "0.017118061",
  "conversionMultiplier:SN" : 0.017118061,
  "definedUnitOfSystem" : [ "http://qudt.org/vocab/sou/USCS", "http://qudt.org/vocab/sou/IMPERIAL" ],
  "expression" : "$gr/gal$",
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L-3I0M1H0T0D0",
  "hasFactorUnit" : [ "_:b0", "_:b1" ],
  "hasQuantityKind" : [ "http://qudt.org/vocab/quantitykind/Density", "http://qudt.org/vocab/quantitykind/MassDensity" ],
  "symbol" : "grain{UK}/gal",
  "ucumCode" : "[gr].[gal_br]-1",
  "uneceCommonCode" : "K41",
  "isDefinedBy" : "http://qudt.org/3.1.2/vocab/unit",
  "label" : {
    "@language" : "en",
    "@value" : "Grain per Gallon"
  },
  "@context" : {
    "expression" : {
      "@id" : "http://qudt.org/schema/qudt/expression",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "hasFactorUnit" : {
      "@id" : "http://qudt.org/schema/qudt/hasFactorUnit",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "uneceCommonCode" : {
      "@id" : "http://qudt.org/schema/qudt/uneceCommonCode"
    },
    "symbol" : {
      "@id" : "http://qudt.org/schema/qudt/symbol"
    },
    "applicableSystem" : {
      "@id" : "http://qudt.org/schema/qudt/applicableSystem",
      "@type" : "@id"
    },
    "conversionMultiplierSN" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplierSN",
      "@type" : "http://www.w3.org/2001/XMLSchema#double"
    },
    "description" : {
      "@id" : "http://purl.org/dc/terms/description",
      "@type" : "http://qudt.org/schema/qudt/LatexString"
    },
    "hasDimensionVector" : {
      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "ucumCode" : {
      "@id" : "http://qudt.org/schema/qudt/ucumCode",
      "@type" : "http://qudt.org/schema/qudt/UCUMcs"
    },
    "definedUnitOfSystem" : {
      "@id" : "http://qudt.org/schema/qudt/definedUnitOfSystem",
      "@type" : "@id"
    },
    "hasQuantityKind" : {
      "@id" : "http://qudt.org/schema/qudt/hasQuantityKind",
      "@type" : "@id"
    },
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "conversionMultiplier" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplier",
      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
    },
    "rdf" : "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "owl" : "http://www.w3.org/2002/07/owl#",
    "xsd" : "http://www.w3.org/2001/XMLSchema#",
    "rdfs" : "http://www.w3.org/2000/01/rdf-schema#"
  }
}