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/TONNE-PER-HA-YR">
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/Unit"/>
    <j.0:plainTextDescription>A measure of density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield.</j.0:plainTextDescription>
    <rdfs:isDefinedBy rdf:resource="http://qudt.org/2.1/vocab/unit"/>
    <rdf:type rdf:resource="http://qudt.org/schema/qudt/DerivedUnit"/>
    <j.0:hasDimensionVector rdf:resource="http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0"/>
    <j.0:symbol>t/(ha·a)</j.0:symbol>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS"/>
    <j.1:description rdf:datatype="http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML">A measure of density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield.</j.1:description>
    <j.0:ucumCode rdf:datatype="http://qudt.org/schema/qudt/UCUMcs">t.har-1.year-1</j.0:ucumCode>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS-EMU"/>
    <j.0:conversionMultiplier rdf:datatype="http://www.w3.org/2001/XMLSchema#decimal">0.00000000317</j.0:conversionMultiplier>
    <j.0:conversionMultiplierSN rdf:datatype="http://www.w3.org/2001/XMLSchema#double">3.17E-9</j.0:conversionMultiplierSN>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/SI"/>
    <j.0:applicableSystem rdf:resource="http://qudt.org/vocab/sou/CGS-GAUSS"/>
    <j.0:hasQuantityKind rdf:resource="http://qudt.org/vocab/quantitykind/MassPerAreaTime"/>
    <rdfs:label xml:lang="en">tonne per hectare year</rdfs:label>
  </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/TONNE-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 density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield."^^rdf:HTML ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/CGS> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/CGS-EMU> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/CGS-GAUSS> ;
  <http://qudt.org/schema/qudt/applicableSystem> <http://qudt.org/vocab/sou/SI> ;
  <http://qudt.org/schema/qudt/conversionMultiplier> 0.00000000317 ;
  <http://qudt.org/schema/qudt/conversionMultiplierSN> 3.17E-9 ;
  <http://qudt.org/schema/qudt/hasDimensionVector> <http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0> ;
  <http://qudt.org/schema/qudt/hasQuantityKind> <http://qudt.org/vocab/quantitykind/MassPerAreaTime> ;
  <http://qudt.org/schema/qudt/plainTextDescription> "A measure of density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield." ;
  <http://qudt.org/schema/qudt/symbol> "t/(ha·a)" ;
  <http://qudt.org/schema/qudt/ucumCode> "t.har-1.year-1"^^<http://qudt.org/schema/qudt/UCUMcs> ;
  rdfs:isDefinedBy <http://qudt.org/2.1/vocab/unit> ;
  rdfs:label "tonne per hectare year"@en ;
.

{"resource":"tonne per hectare year" 
 ,"qname":"unit:TONNE-PER-HA-YR" 
 ,"uri":"http:\/\/qudt.org\/vocab\/unit\/TONNE-PER-HA-YR" 
 ,"properties":["applicable system":"sou:CGS" 
    ,"applicable system":"sou:CGS-EMU" 
    ,"applicable system":"sou:CGS-GAUSS" 
    ,"applicable system":"sou:SI" 
    ,"conversion multiplier":"0.00000000317" 
    ,"conversion multiplier scientific":"3.17E-9" 
    ,"description":"A measure of density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield." 
    ,"description (plain text)":"A measure of density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield." 
    ,"has dimension vector":"dimension:A0E0L-2I0M1H0T-1D0" 
    ,"has quantity kind":"quantitykind:MassPerAreaTime" 
    ,"isDefinedBy":"<http:\/\/qudt.org\/2.1\/vocab\/unit>" 
    ,"label":"tonne per hectare year" 
    ,"symbol":"t\/(ha·a)" 
    ,"type":"qudt:DerivedUnit" 
    ,"type":"qudt:Unit" 
    ,"ucum code":"t.har-1.year-1" 
    ]}

{
  "@id" : "http://qudt.org/vocab/unit/TONNE-PER-HA-YR",
  "@type" : [ "http://qudt.org/schema/qudt/Unit", "http://qudt.org/schema/qudt/DerivedUnit" ],
  "description" : "A measure of density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield.",
  "applicableSystem" : [ "http://qudt.org/vocab/sou/CGS", "http://qudt.org/vocab/sou/CGS-EMU", "http://qudt.org/vocab/sou/SI", "http://qudt.org/vocab/sou/CGS-GAUSS" ],
  "conversionMultiplier" : "0.00000000317",
  "conversionMultiplier:SN" : 3.17E-9,
  "hasDimensionVector" : "http://qudt.org/vocab/dimensionvector/A0E0L-2I0M1H0T-1D0",
  "hasQuantityKind" : "http://qudt.org/vocab/quantitykind/MassPerAreaTime",
  "plainTextDescription" : "A measure of density equivalent to 1000kg per hectare per year or one Megagram per hectare per year, typically used to express a volume of biomass or crop yield.",
  "symbol" : "t/(ha·a)",
  "ucumCode" : "t.har-1.year-1",
  "isDefinedBy" : "http://qudt.org/2.1/vocab/unit",
  "label" : {
    "@language" : "en",
    "@value" : "tonne per hectare year"
  },
  "@context" : {
    "plainTextDescription" : {
      "@id" : "http://qudt.org/schema/qudt/plainTextDescription"
    },
    "isDefinedBy" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#isDefinedBy",
      "@type" : "@id"
    },
    "hasDimensionVector" : {
      "@id" : "http://qudt.org/schema/qudt/hasDimensionVector",
      "@type" : "@id"
    },
    "symbol" : {
      "@id" : "http://qudt.org/schema/qudt/symbol"
    },
    "applicableSystem" : {
      "@id" : "http://qudt.org/schema/qudt/applicableSystem",
      "@type" : "@id"
    },
    "description" : {
      "@id" : "http://purl.org/dc/terms/description",
      "@type" : "http://www.w3.org/1999/02/22-rdf-syntax-ns#HTML"
    },
    "ucumCode" : {
      "@id" : "http://qudt.org/schema/qudt/ucumCode",
      "@type" : "http://qudt.org/schema/qudt/UCUMcs"
    },
    "conversionMultiplier" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplier",
      "@type" : "http://www.w3.org/2001/XMLSchema#decimal"
    },
    "conversionMultiplierSN" : {
      "@id" : "http://qudt.org/schema/qudt/conversionMultiplierSN",
      "@type" : "http://www.w3.org/2001/XMLSchema#double"
    },
    "hasQuantityKind" : {
      "@id" : "http://qudt.org/schema/qudt/hasQuantityKind",
      "@type" : "@id"
    },
    "label" : {
      "@id" : "http://www.w3.org/2000/01/rdf-schema#label"
    },
    "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#"
  }
}