@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/CAB0004982>
  skos:prefLabel "آلاینده‌های‌هوا"@fa, "air pollutants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0004981> .

<http://www.irandoc.acir/onto/irandoc/CAB0053819>
  skos:prefLabel "نیتروژن اکسیدها"@fa, "nitrogen oxides"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004981> .

<http://www.irandoc.acir/onto/irandoc/CAB0053323>
  skos:prefLabel "متان"@fa, "methane"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004981> .

<http://www.irandoc.acir/onto/irandoc/CAB0057590>
  skos:prefLabel "اثر گلخانه ای"@fa, "greenhouse effect"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004981> .

<http://www.irandoc.acir/onto/irandoc/CAB0053795>
  skos:prefLabel "کربن دی‌اکسید"@fa, "carbon dioxide"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0004981> .

<http://www.irandoc.acir/onto/irandoc/CAB0004981>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0053819>, <http://www.irandoc.acir/onto/irandoc/CAB0057590>, <http://www.irandoc.acir/onto/irandoc/CAB0053323>, <http://www.irandoc.acir/onto/irandoc/CAB0053795> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0004982> ;
  skos:prefLabel "گازهای گلخانه ای"@fa, "greenhouse gases"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .