@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

<https://lod.nal.usda.gov/naltv#Topic>
  a owl:Class ;
  rdfs:label "Topic"@en .

nalt:55740
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2019-09-03"^^xsd:date ;
  skos:broader nalt:2770 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:211109, nalt:105327, nalt:211110, nalt:55739, nalt:61046 ;
  skos:prefLabel "refining"@en, "refinación"@es ;
  skos:related nalt:59686, nalt:333495, nalt:292403, nalt:195001 ;
  ns0:marc001 "31619" .

nalt:61046
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:55740 ;
  skos:prefLabel "refinación del azúcar"@es, "sugar refining"@en .

nalt:55739
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:55740 ;
  skos:prefLabel "refinamiento del petróleo"@es, "oil refining"@en .

nalt:59686
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "refiners"@en, "refinadoras"@es ;
  skos:related nalt:55740 .

nalt:211110
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:55740 ;
  skos:prefLabel "catalytic cracking"@en, "craqueo catalítico"@es .

nalt:333495
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "enriquecimiento isotópico"@es, "isotopic enrichment"@en ;
  skos:related nalt:55740 .

nalt:195001
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "smelting"@en, "fundición"@es ;
  skos:related nalt:55740 .

nalt:105327
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:55740 ;
  skos:prefLabel "biorefining"@en, "biorefinamiento"@es .

nalt:211109
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:55740 ;
  skos:prefLabel "thermal cracking"@en, "craqueo térmico"@es .

nalt:2770
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:55740 ;
  skos:prefLabel "tecnología de procesamiento"@es, "processing technology"@en .

nalt:292403
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "combustibles limpios"@es, "clean fuels"@en ;
  skos:related nalt:55740 .