@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/258803005>
  skos:prefLabel "میکروگرم بر کیلوگرم"@fa, "microg/kg"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/282264007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/282264007> .

<http://www.irandoc.acir/onto/irandoc/258793005>
  skos:prefLabel "واحد غلظت مشتق شده از SI"@fa, "SI-derived unit of concentration"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/282264007> .

<http://www.irandoc.acir/onto/irandoc/282264007>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/258793005> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/258803005>, <http://www.irandoc.acir/onto/irandoc/258802000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/258793005> ;
  skos:prefLabel "جرم در واحد جرم"@fa, "Mass per unit mass"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/258802000>
  skos:prefLabel "ug/g"@fa, "ug/g"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/282264007> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/282264007> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .