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

<http://www.irandoc.acir/onto/irandoc/NEMA0004849>
  skos:prefLabel "petroleum technology"@en, "فناوری نفت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002940> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001879>
  skos:prefLabel "کانی‌شناسی"@fa, "mineralogy"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002940> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002940>
  skos:altLabel "شیمی‌نفت"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0003120> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001879>, <http://www.irandoc.acir/onto/irandoc/NEMA0004849>, <http://www.irandoc.acir/onto/irandoc/NEMA0002051>, <http://www.irandoc.acir/onto/irandoc/NEMA0003655> ;
  skos:prefLabel "petrochemistry"@en, "پتروشیمی"@fa ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> .

<http://www.irandoc.acir/onto/irandoc/NEMA0003655>
  skos:prefLabel "فراورده‌های نفتی"@fa, "petroleum products"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002940> .

<http://www.irandoc.acir/onto/irandoc/NEMA0003120>
  skos:prefLabel "شیمی"@fa, "chemistry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0002940> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002051>
  skos:prefLabel "زیست‌فناوری"@fa, "biotechnology"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0002940> .