@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/2141009>
  skos:prefLabel "Hydrogen"@en, "هیدروژن"@fa ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/57795002> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/91137000>, <http://www.irandoc.acir/onto/irandoc/13523004>, <http://www.irandoc.acir/onto/irandoc/16082008>, <http://www.irandoc.acir/onto/irandoc/89177007> ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/57795002> .

<http://www.irandoc.acir/onto/irandoc/57795002>
  skos:prefLabel "Chemical element"@en, "عنصر شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/2141009> .

<http://www.irandoc.acir/onto/irandoc/91137000>
  skos:prefLabel "دوتریوم"@fa, "Deuterium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/2141009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/2141009> .

<http://www.irandoc.acir/onto/irandoc/13523004>
  skos:prefLabel "پروتیوم"@fa, "Protium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/2141009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/2141009> .

<http://www.irandoc.acir/onto/irandoc/16082008>
  skos:prefLabel "تریتیوم"@fa, "Tritium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/2141009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/2141009> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/89177007>
  skos:prefLabel "Proton"@en, "پروتون"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/2141009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/2141009> .

<http://www.irandoc.acir/onto/irandoc/74252006> ns0:Direct_substance <http://www.irandoc.acir/onto/irandoc/2141009> .