<?xml version="1.0" encoding="UTF-8"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:obo_purl="http://purl.obolibrary.org/obo/" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:metadata_def="http://data.bioontology.org/metadata/def/" xmlns:metadata="http://data.bioontology.org/metadata/" xmlns:oboinowl_gen="http://www.geneontology.org/formats/oboInOwl#"> <owl:Class rdf:about="http://purl.obolibrary.org/obo/CHEBI_78433"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/CHEBI_33232"/> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_78433"/> <metadata_def:mappingLoom>refrigerant</metadata_def:mappingLoom> <metadata_def:prefLabel>refrigerant</metadata_def:prefLabel> <obo_purl:IAO_0000115>A substance used in a thermodynamic heat pump cycle or refrigeration cycle that undergoes a phase change from a gas to a liquid and back. Refrigerants are used in air-conditioning systems and freezers or refrigerators and are assigned a "R" number (by ASHRAE - formerly the American Society of Heating, Refrigerating and Air Conditioning Engineers), which is determined systematically according to their molecular structure.</obo_purl:IAO_0000115> <metadata:prefixIRI>obo1:CHEBI_78433</metadata:prefixIRI> <rdfs:label>refrigerant</rdfs:label> <oboinowl_gen:hasRelatedSynonym>refrigerants</oboinowl_gen:hasRelatedSynonym> </owl:Class> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_16134"> <obo_purl:RO_0000087> <rdf:Description rdf:about="http://purl.obolibrary.org/obo/CHEBI_78433"> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/CHEBI_78433"/> </rdf:Description> </obo_purl:RO_0000087> </rdf:Description> </rdf:RDF>