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

<http://www.irandoc.acir/onto/irandoc/insp0013363>
  skos:prefLabel "Refractive index"@en, "ضریب شکست"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004447> .

<http://www.irandoc.acir/onto/irandoc/insp0007930>
  skos:prefLabel "Photorefractive materials"@en, "مواد نورانکساری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004447> .

<http://www.irandoc.acir/onto/irandoc/insp0004447>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004912>, <http://www.irandoc.acir/onto/irandoc/insp0007930>, <http://www.irandoc.acir/onto/irandoc/insp0013363>, <http://www.irandoc.acir/onto/irandoc/insp0012174>, <http://www.irandoc.acir/onto/irandoc/insp0012293> ;
  skos:prefLabel "Photorefractive effect"@en, "تاثیر کراتوتومی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0012174>
  skos:prefLabel "Photoelectricity"@en, "فوتوالکتریسیته"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004447> .

<http://www.irandoc.acir/onto/irandoc/insp0004912>
  skos:prefLabel "اپتیک غیرخطی"@fa, "Nonlinear optics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004447> .

<http://www.irandoc.acir/onto/irandoc/insp0012293>
  skos:prefLabel "Electro-optical effect"@en, "اثر الکترونوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004447> .