@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/NEMA0008741> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007962>
  skos:prefLabel "آلاینده‌های آب"@fa, "water pollutants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008741> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008742>
  skos:prefLabel "نیترات‌های معدنی"@fa, "inorganic nitrates"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008741> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008751>
  skos:prefLabel "نمک‌های معدنی"@fa, "inorganic salts"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008741> .

<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/NEMA0008741> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007966>
  skos:prefLabel "آلاینده‌های خاک"@fa, "soil pollutants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008741> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008741>
  skos:prefLabel "نیترات‌ها"@fa, "nitrites"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008742>, <http://www.irandoc.acir/onto/irandoc/NEMA0007979>, <http://www.irandoc.acir/onto/irandoc/NEMA0007962>, <http://www.irandoc.acir/onto/irandoc/NEMA0008757>, <http://www.irandoc.acir/onto/irandoc/NEMA0007966>, <http://www.irandoc.acir/onto/irandoc/NEMA000872> ;
  skos:scopeNote "نمکهای نیتریک اسید هستند."@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008751> .

<http://www.irandoc.acir/onto/irandoc/NEMA000872>
  skos:prefLabel "آلودگی مواد غذایی"@fa, "food contamination"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008741> .