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

<http://www.irandoc.acir/onto/irandoc/AEM000340>
  skos:related <http://www.irandoc.acir/onto/irandoc/AEM000179> ;
  skos:prefLabel "Chemical pollutant"@en, "آلاینده شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/AEM000179>
  skos:prefLabel "Environmental impact"@en, "پیامد زیست‌محیطی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/AEM000340> .