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

<http://www.irandoc.acir/onto/irandoc/insp0007971>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0002658>, <http://www.irandoc.acir/onto/irandoc/insp0007970> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0007973>, <http://www.irandoc.acir/onto/irandoc/insp0007927> ;
  skos:prefLabel "Nanoporous materials"@en, "مواد نانوپوروس"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0007970>
  skos:prefLabel "Mesoporous materials"@en, "مواد مزوپوروس"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007971> .

<http://www.irandoc.acir/onto/irandoc/insp0007927>
  skos:prefLabel "Nanostructured materials"@en, "مواد نانوساختار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007971> .

<http://www.irandoc.acir/onto/irandoc/insp0002658>
  skos:prefLabel "Porous semiconductor"@en, "نیم‌رسانای متخلخل"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007971> .

<http://www.irandoc.acir/onto/irandoc/insp0007973>
  skos:prefLabel "Porous materials"@en, "مواد متخلخل"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007971> .