Work in progress

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    xmlns:j.1="http://purl.org/dc/terms/"
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    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/KiloGM-PER-HA-YR">
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">3.168808781402895023702689684893655E-12</j.0:conversionMultiplierSN>
    <j.1:description>A measure of areal density over time equivalent to 1 kg per hectare per year.</j.1:description>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/SI"/>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0"/>
    <j.0:hasFactorUnit rdf:nodeID="A0"/>
    <j.0:plainTextDescription>A measure of areal density over time equivalent to 1 kg per hectare per year.</j.0:plainTextDescription>
    <j.0:hasFactorUnit rdf:nodeID="A1"/>
    <j.0:hasFactorUnit rdf:nodeID="A2"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/MassPerAreaTime"/>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">kg.har-1.year-1</j.0:ucumCode>
    <rdfs:label>Kilogram per Hectare Year</rdfs:label>
    <rdfs:label xml:lang="en">Kilogram per Hectare Year</rdfs:label>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/3.1.5/vocab/unit"/>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/DerivedUnit"/>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">0.000000000003168808781402895023702689684893655</j.0:conversionMultiplier>
    <j.0:symbol>kg/(ha·a)</j.0:symbol>
  </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/KiloGM-PER-HA-YR>
  rdf:type <http://qudt.org/schema/qudt/DerivedUnit> ;
  rdf:type <http://qudt.org/schema/qudt/Unit> ;
  <http://purl.org/dc/terms/description> "A measure of areal density over time equivalent to 1 kg per hectare per year." ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/SI> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 0.000000000003168808781402895023702689684893655 ;
  <http://qudt.org/schema/qudt/conversionMultiplierSN> 3.168808781402895023702689684893655E-12 ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0> ;
  <http://qudt.org/schema/qudt/hasFactorUnit> [] ;
  <http://qudt.org/schema/qudt/hasFactorUnit> [] ;
  <http://qudt.org/schema/qudt/hasFactorUnit> [] ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/MassPerAreaTime> ;
  <http://qudt.org/schema/qudt/plainTextDescription> "A measure of areal density over time equivalent to 1 kg per hectare per year." ;
  <http://qudt.org/schema/qudt/symbol> "kg/(ha·a)" ;
  <http://qudt.org/schema/qudt/ucumCode> "kg.har-1.year-1"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  rdfs:isDefinedBy <http://qudt.org/3.1.5/vocab/unit> ;
  rdfs:label "Kilogram per Hectare Year" ;
  rdfs:label "Kilogram per Hectare Year"@en ;
.

{"resource":"Kilogram per Hectare Year" 
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    ,"conversion multiplier":"0.000000000003168808781402895023702689684893655" 
    ,"conversion multiplier scientific":"3.168808781402895023702689684893655E-12" 
    ,"description":"A measure of areal density over time equivalent to 1 kg per hectare per year." 
    ,"description (plain text)":"A measure of areal density over time equivalent to 1 kg per hectare per year." 
    ,"has dimension vector":"dimension:A0E0L-2I0M1H0T-1D0" 
    ,"has quantity kind":"quantitykind:MassPerAreaTime" 
    ,"hasFactorUnit":null 
    ,"hasFactorUnit":null 
    ,"hasFactorUnit":null 
    ,"isDefinedBy":"<http:\/\/qudt.org\/3.1.5\/vocab\/unit>" 
    ,"label":"Kilogram per Hectare Year" 
    ,"label":"Kilogram per Hectare Year" 
    ,"symbol":"kg\/(ha·a)" 
    ,"type":"qudt:DerivedUnit" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"kg.har-1.year-1" 
    ]}

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