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

<http://www.irandoc.acir/onto/irandoc/NEMA0008757>
  skos:prefLabel "نیتروژن"@fa, "nitrogen"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008725> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007975>
  skos:prefLabel "آلاینده‌های هوا"@fa, "air pollutants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008725> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008725>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008598>, <http://www.irandoc.acir/onto/irandoc/NEMA0008726> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008757>, <http://www.irandoc.acir/onto/irandoc/NEMA0007975>, <http://www.irandoc.acir/onto/irandoc/NEMA0007979> ;
  skos:scopeNote "اکسیدهای نیتروژن"@fa ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "nitrogen oxides"@en, "نیتروژن اکسیدها"@fa ;
  skos:altLabel "اکسیدهای نیتروژن"@fa .

<http://www.irandoc.acir/onto/irandoc/NEMA0008598>
  skos:prefLabel "ترکیبات معدنی نیتروژن"@fa, "nitrogen inorganic compounds"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008725> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007979>
  skos:prefLabel "آلاینده‌ها"@fa, "pollutants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008725> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008726>
  skos:prefLabel "اکسیدها (معدنی)"@fa, "oxides (inorganic)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008725> .