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

<http://www.irandoc.acir/onto/irandoc/CHEM0001471>
  skos:prefLabel "فعالیت"@fa, "activity"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CHEM0001571> .

<http://www.irandoc.acir/onto/irandoc/CHEM0001571>
  skos:related <http://www.irandoc.acir/onto/irandoc/CHEM0001471> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CHEM0001580> ;
  skos:prefLabel "غلظت موثر"@fa, "effective concentration"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CHEM0001580>
  skos:prefLabel "concentration"@en, "غلظت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CHEM0001571> .