Work in progress

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    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/BTU_IT-IN">
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L3I0M1H0T-2D0"/>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/3.1.1/vocab/unit"/>
    <j.0:definedUnitOfSystem rdf:resource="http://qudt.org/vocab/sou/IMPERIAL"/>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">[Btu_IT].[in_i]</j.0:ucumCode>
    <j.1:description rdf:datatype="http://qudt.org/schema/qudt/LatexString">
  ${\bf BTU \, Inch}$ is an Imperial unit for 'Thermal Energy Length' expressed as $Btu-in$.
  </j.1:description>
    <rdfs:label xml:lang="en">BTU Inch</rdfs:label>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/DerivedUnit"/>
    <j.0:symbol>Btu{IT}·in</j.0:symbol>
    <j.0:expression rdf:datatype="http://qudt.org/schema/qudt/LatexString">$Btu-in$</j.0:expression>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">26.7984187</j.0:conversionMultiplier>
    <j.0:hasFactorUnit rdf:nodeID="A0"/>
    <j.0:hasFactorUnit rdf:nodeID="A1"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/IMPERIAL"/>
    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">2.67984187E1</j.0:conversionMultiplierSN>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/ThermalEnergyLength"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/USCS"/>
    <j.0:definedUnitOfSystem rdf:resource="http://qudt.org/vocab/sou/USCS"/>
  </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/BTU_IT-IN>
  rdf:type <http://qudt.org/schema/qudt/DerivedUnit> ;
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://purl.org/dc/terms/description> """
  ${\\bf BTU \\, Inch}$ is an Imperial unit for 'Thermal Energy Length' expressed as $Btu-in$.
  """^^<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> 26.7984187 ;
  <http://qudt.org/schema/qudt/conversionMultiplierSN> 2.67984187E1 ;
  <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> "$Btu-in$"^^<http://qudt.org/schema/qudt/LatexString> ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L3I0M1H0T-2D0> ;
  <http://qudt.org/schema/qudt/hasFactorUnit> [] ;
  <http://qudt.org/schema/qudt/hasFactorUnit> [] ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/ThermalEnergyLength> ;
  <http://qudt.org/schema/qudt/symbol> "Btu{IT}·in" ;
  <http://qudt.org/schema/qudt/ucumCode> "[Btu_IT].[in_i]"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  rdfs:isDefinedBy <http://qudt.org/3.1.1/vocab/unit> ;
  rdfs:label "BTU Inch"@en ;
.

{"resource":"BTU Inch" 
 ,"qname":"unit:BTU_IT-IN" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/BTU_IT-IN" 
 ,"properties":["applicable system":"sou:IMPERIAL" 
    ,"applicable system":"sou:USCS" 
    ,"conversion multiplier":"26.7984187" 
    ,"conversion multiplier scientific":"2.67984187E1" 
    ,"defined unit of system":"sou:IMPERIAL" 
    ,"defined unit of system":"sou:USCS" 
    ,"description":"\n  ${\\bf BTU \\, Inch}$ is an Imperial unit for 'Thermal Energy Length' expressed as $Btu-in$.\n  " 
    ,"expression":"$Btu-in$" 
    ,"has dimension vector":"dimension:A0E0L3I0M1H0T-2D0" 
    ,"has quantity kind":"quantitykind:ThermalEnergyLength" 
    ,"hasFactorUnit":null 
    ,"hasFactorUnit":null 
    ,"isDefinedBy":"<http:\/\/qudt.org\/3.1.1\/vocab\/unit>" 
    ,"label":"BTU Inch" 
    ,"symbol":"Btu{IT}·in" 
    ,"type":"qudt:DerivedUnit" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"[Btu_IT].[in_i]" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/BTU_IT-IN",
  "@type" : [ "http://qudt.org/schema/qudt/Unit", "http://qudt.org/schema/qudt/DerivedUnit" ],
  "description" : "\n  ${\\bf BTU \\, Inch}$ is an Imperial unit for 'Thermal Energy Length' expressed as $Btu-in$.\n  ",
  "applicableSystem" : [ "http://qudt.org/vocab/sou/IMPERIAL", "http://qudt.org/vocab/sou/USCS" ],
  "conversionMultiplier" : "26.7984187",
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  "expression" : "$Btu-in$",
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  "hasFactorUnit" : [ "_:b0", "_:b1" ],
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/ThermalEnergyLength",
  "symbol" : "Btu{IT}·in",
  "ucumCode" : "[Btu_IT].[in_i]",
  "isDefinedBy" : "http://qudt.org/3.1.1/vocab/unit",
  "label" : {
    "@language" : "en",
    "@value" : "BTU Inch"
  },
  "@context" : {
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      "@type" : "@id"
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      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
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    },
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      "@type" : "@id"
    },
    "conversionMultiplierSN" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplierSN",
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    },
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}