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

<http://www.irandoc.acir/onto/irandoc/CHMTR000312>
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000104>, <http://www.irandoc.acir/onto/irandoc/CHMTR000388> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000313> ;
  skos:prefLabel "نقطه جوش هیدروكربن‌ها"@fa, "boiling point of hydrocarbon"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHMTR000388>
  skos:prefLabel "نفت خام"@fa, "petroleum"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000312> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000104>
  skos:prefLabel "هیدروكربن‌ها"@fa, "hydrocarbons"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000312> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000313>
  skos:prefLabel "كمیت فیزیكی"@fa, "physical quantity"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000312> .