@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:2772
  skos:prefLabel "pH"@es, "pH"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:2742 .

nalt:2742_def
  rdf:value "Bajar el pH de una sustancia o material por debajo de 7.0"@es, "To lower the pH of a substance or material to below 7.0"@en ;
  dc:source "NAL Thesaurus Staff" ;
  a <https://lod.nal.usda.gov/naltv#Definition> .

nalt:3982
  skos:prefLabel "reacciones químicas"@es, "chemical reactions"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:narrower nalt:2742 .

nalt:2742
  skos:exactMatch <http://aims.fao.org/aos/agrovoc/c_90>, <http://id.cabi.org/cabt/5075>, <http://id.loc.gov/authorities/subjects/sh86001947>, <http://id.agrisemantics.org/gacs/C4914> ;
  skos:prefLabel "acidification"@en, "acidificación"@es ;
  skos:altLabel "acidulation"@en, "acidulación"@es ;
  ns0:marc001 "553" ;
  skos:related nalt:2721, nalt:2772, nalt:9 ;
  a skos:Concept, ns0:Topic ;
  skos:broader nalt:3982 ;
  dc:modified "2014-04-08"^^xsd:date ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:definition nalt:2742_def ;
  dc:created "2006-01-19"^^xsd:date .

<https://lod.nal.usda.gov/nalt-core>
  rdfs:label "NALT Core"@es, "NALT Core"@en ;
  a skos:ConceptScheme .

ns0:Topic
  rdfs:label "Topic"@en ;
  a owl:Class .

nalt:9
  skos:prefLabel "ácidos"@es, "acids"@en ;
  a ns0:Chemical, skos:Concept ;
  skos:related nalt:2742 .

nalt:2721
  skos:prefLabel "tratamiento ácido"@es, "acid treatment"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:2742 .