@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/74947009>
  skos:prefLabel "ماده گازی"@fa, "Gaseous substance"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/311735009> .

<http://www.irandoc.acir/onto/irandoc/91424007>
  skos:prefLabel "دی اکسید نیتروژن"@fa, "Nitrogen dioxide"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/311735009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/311735009> .

<http://www.irandoc.acir/onto/irandoc/111132001>
  skos:prefLabel "Nitrous oxide"@en, "اکسید نیتروژن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/311735009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/311735009> .

<http://www.irandoc.acir/onto/irandoc/46334001> ns0:Causative_agent <http://www.irandoc.acir/onto/irandoc/311735009> .
ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/216856003> ns0:Causative_agent <http://www.irandoc.acir/onto/irandoc/311735009> .
<http://www.irandoc.acir/onto/irandoc/6710000>
  skos:prefLabel "نیتریک اکسید"@fa, "nitric oxide"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/311735009> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/311735009> .

<http://www.irandoc.acir/onto/irandoc/311735009>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/111132001>, <http://www.irandoc.acir/onto/irandoc/91424007>, <http://www.irandoc.acir/onto/irandoc/6710000> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/11257001>, <http://www.irandoc.acir/onto/irandoc/74947009> ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/74947009>, <http://www.irandoc.acir/onto/irandoc/11257001> ;
  skos:prefLabel "اکسید نیتروژن"@fa, "Oxide of nitrogen"@en .

<http://www.irandoc.acir/onto/irandoc/11257001>
  skos:prefLabel "ترکیب نیتروژن"@fa, "Nitrogen compound"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/311735009> .