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

<http://www.irandoc.acir/onto/irandoc/NEMA0002993>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002994>, <http://www.irandoc.acir/onto/irandoc/NEMA0008754> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0002995> ;
  skos:prefLabel "مواد نشان‌دار"@fa, "labelled substances"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0002995>
  skos:prefLabel "پرتوشیمی"@fa, "radiochemistry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0002993> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002994>
  skos:prefLabel "نشان‌دارکردن ایزوتوپی"@fa, "isotopic labelling"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002993> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008754>
  skos:prefLabel "ایزوتوپ‌ها"@fa, "isotopes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002993> .