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

<http://www.irandoc.acir/onto/irandoc/CHMTR000095>
  skos:prefLabel "ایزواوكتان"@fa, "isooctane"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000093> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000062>
  skos:prefLabel "بهبود كیفیت سوخت"@fa, "fuel quality improvement"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000093> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000056>
  skos:prefLabel "gasoline"@en, "بنزین"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000093> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000093>
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000062>, <http://www.irandoc.acir/onto/irandoc/CHMTR000038>, <http://www.irandoc.acir/onto/irandoc/CHMTR000388>, <http://www.irandoc.acir/onto/irandoc/CHMTR000095>, <http://www.irandoc.acir/onto/irandoc/CHMTR000056>, <http://www.irandoc.acir/onto/irandoc/CHMTR000298>, <http://www.irandoc.acir/onto/irandoc/CHMTR000173> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000131> ;
  skos:prefLabel "lead tetraethyl"@en, "تترااتیل سرب"@fa .

<http://www.irandoc.acir/onto/irandoc/CHMTR000298>
  skos:prefLabel "octane number"@en, "عدد اوكتان"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000093> .

<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/CHMTR000093> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000131>
  skos:prefLabel "chemical compound"@en, "ترکیبات شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000093> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000173>
  skos:prefLabel "good combustion"@en, "خوش‌سوزی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000093> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000038>
  skos:prefLabel "آلودگی هوا"@fa, "air pollution"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000093> .