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

<http://www.irandoc.acir/onto/irandoc/CHEM0001135>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHEM0001136> ;
  skos:prefLabel "hydrodesulfurization"@en, "گوگردزدایی با هیدروژن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHEM0001136>
  skos:prefLabel "گوگردزدایی"@fa, "desulfurization"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHEM0001135> .