@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/423025003>
  skos:prefLabel "بوتانول O^15^ (ماده)"@fa, "Butanol O^15^ (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/6038004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/6038004> .

<http://www.irandoc.acir/onto/irandoc/129504001>
  skos:prefLabel "اکسیژن O^15^"@fa, "Oxygen O^15^"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/6038004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/6038004> .

<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 ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/6038004> .

<http://www.irandoc.acir/onto/irandoc/6038004>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/424875009>, <http://www.irandoc.acir/onto/irandoc/129504001>, <http://www.irandoc.acir/onto/irandoc/423025003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/89457008> ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/89457008>, "722230006" ;
  skos:prefLabel "رادیوایزوتوپ اکسیژن"@fa, "Oxygen radioisotope"@en .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/424875009>
  skos:prefLabel "اکسیژن O^14^ (ماده)"@fa, "Oxygen O^14^ (substance)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/6038004> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/6038004> .