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

<http://www.irandoc.acir/onto/irandoc/CHMTR000234>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000236>, <http://www.irandoc.acir/onto/irandoc/CHMTR000324> ;
  skos:prefLabel "هلیم"@fa, "helium"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHMTR000324>
  skos:prefLabel "گازهای نادر"@fa, "rare gases"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000234> .

<http://www.irandoc.acir/onto/irandoc/CHMTR000236>
  skos:prefLabel "اجزای ناچیز هوا کره"@fa, "atmosphere teeny components"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000234> .