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

<http://www.irandoc.acir/onto/irandoc/CHMTR000085>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHMTR000086> ;
  skos:prefLabel "یون كادمیم"@fa, "cadmium ion"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHMTR000086>
  skos:prefLabel "كاتیون‌های سنگین"@fa, "heavy cations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHMTR000085> .