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

<http://www.irandoc.acir/onto/irandoc/CHMTR000062>
  skos:scopeNote "شیمیدان‌ها برای ایجاد تغییر یا بهبود کیفی منابع شیمیایی موجود، با ایجاد تغییر در ساختار هیدروکربن‌های کم مصرف‌تر، آن‌ها را به فراورده‌های سودمندتر تبدیل می‌کنند."@fa ;
  skos:prefLabel "بهبود كیفیت سوخت"@fa, "fuel quality improvement"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000315>, <http://www.irandoc.acir/onto/irandoc/CHMTR000388>, <http://www.irandoc.acir/onto/irandoc/CHMTR000274>, <http://www.irandoc.acir/onto/irandoc/CHMTR000298>, <http://www.irandoc.acir/onto/irandoc/CHMTR000173>, <http://www.irandoc.acir/onto/irandoc/CHMTR000093>, <http://www.irandoc.acir/onto/irandoc/CHMTR000017> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000093>
  skos:prefLabel "تترااتیل سرب"@fa, "lead tetraethyl"@en ;
  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/CHMTR000315>
  skos:prefLabel "catalyst"@en, "کاتالیزگر"@fa ;
  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/CHMTR000017>
  skos:prefLabel "سوختن هیدروكربن‌ها"@fa, "combustion of hydrocarbons"@en ;
  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/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/CHMTR000062> .

<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/CHMTR000062> .

<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/CHMTR000062> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000274>
  skos:prefLabel "كراكینگ"@fa, "cracking"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHMTR000062> .