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

<http://www.irandoc.acir/onto/irandoc/EIT0001686>
  skos:prefLabel "تفکافت"@fa, "pyrolysis"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT0011337> .

<http://www.irandoc.acir/onto/irandoc/EIT0011337>
  skos:related <http://www.irandoc.acir/onto/irandoc/EIT0001686> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/EIT0011338>, <http://www.irandoc.acir/onto/irandoc/EIT0001687> ;
  skos:prefLabel "تقطیر پلمه‌نفت"@fa, "oil shale retorting"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/EIT0001687>
  skos:prefLabel "تجزیه"@fa, "decomposition"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0011337> .

<http://www.irandoc.acir/onto/irandoc/EIT0011338>
  skos:prefLabel "فراورش پلمه‌سنگ نفتی"@fa, "oil shale processing"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/EIT0011337> .