@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/58295004>
  skos:prefLabel "ماده شیمیایی غیر آلی"@fa, "Inorganic chemical"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/33638001> .

<http://www.irandoc.acir/onto/irandoc/722230006>
  skos:prefLabel "ایزوتوپ اکسیژن (ماده)"@fa, "Oxygen isotope (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/33638001> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/33638001> .

<http://www.irandoc.acir/onto/irandoc/33638001>
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/58295004> ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/55324006>, <http://www.irandoc.acir/onto/irandoc/722230006>, <http://www.irandoc.acir/onto/irandoc/89457008> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/58295004> ;
  skos:prefLabel "ایزوتوپ"@fa, "Isotope"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/89457008>
  skos:prefLabel "ایزوتوپ رادیواکتیو"@fa, "Radioactive isotope"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/33638001> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/33638001> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/55324006>
  skos:prefLabel "ایزوتوپ هلیوم"@fa, "Helium isotope"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/33638001> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/33638001> .