@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/OPB_01433>
  skos:prefLabel "Material areal density"@en, "چگالی سطحی مواد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/OPB_01411> .

<http://www.irandoc.acir/onto/irandoc/OPB_01411>
  ns0:label "Material density" ;
  ns0:comment "An amount density for a material entity." ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "Material density"@en, "چگالی ماده"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/OPB_01644> ;
  ns0:prefixIRI "OPB:OPB_01411" ;
  ns0:Obsolete "false" ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/OPB_01433>, <http://www.irandoc.acir/onto/irandoc/OPB_01412>, <http://www.irandoc.acir/onto/irandoc/OPB_01450> ;
  ns0:PATO_id "PATO:0001019" .

<http://www.irandoc.acir/onto/irandoc/OPB_01644>
  skos:prefLabel "چگالی کمیت"@fa, "Amount density"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/OPB_01411> .

ns0:comment rdfs:label "نظر"@fa, "comment"@en .
ns0:label rdfs:label "برچسب"@fa, "label"@en .
<http://www.irandoc.acir/onto/irandoc/OPB_01412>
  skos:prefLabel "Material volumnal density"@en, "چگالی حجمی ماده"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/OPB_01411> .

ns0:prefixIRI rdfs:label "پیشوند آی‌آرآی"@fa, "prefixIRI"@en .
ns0:PATO_id rdfs:label "شناسه پاتو"@fa, "PATO id"@en .
ns0:Obsolete rdfs:label "منسوخ"@fa, "Obsolete"@en .
<http://www.irandoc.acir/onto/irandoc/OPB_01450>
  skos:prefLabel "چگالی خطی ماده"@fa, "Material lineal density"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/OPB_01411> .