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

<http://www.irandoc.acir/onto/irandoc/hza000473>
  skos:prefLabel "شیمی آلی"@fa, "organic chemistry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/hza000072> .

<http://www.irandoc.acir/onto/irandoc/hza000072>
  skos:related <http://www.irandoc.acir/onto/irandoc/hza000069>, <http://www.irandoc.acir/onto/irandoc/hza000319>, <http://www.irandoc.acir/onto/irandoc/hza000089>, <http://www.irandoc.acir/onto/irandoc/hza000382> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/hza000473> ;
  skos:prefLabel "پتروشیمی"@fa, "petrochemistry"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/hza000319>
  skos:prefLabel "فراورده‌های پتروشیمی"@fa, "petrochemicals"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/hza000072> .

<http://www.irandoc.acir/onto/irandoc/hza000069>
  skos:prefLabel "پالایشگاه"@fa, "refinery"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/hza000072> .

<http://www.irandoc.acir/onto/irandoc/hza000382>
  skos:prefLabel "نفت پالیده"@fa, "refined oil"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/hza000072> .

<http://www.irandoc.acir/onto/irandoc/hza000089>
  skos:prefLabel "تبدیل(2)"@fa, "reforming"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/hza000072> .