@prefix dce: . @prefix owl: . @prefix rdfs: . @prefix skos: . @prefix state: . @prefix rela: . @prefix physical: . @prefix subfor: . a owl:Ontology; dce:title """Substance Forms"""@en; dce:creator """Hans Cools, MD; Agfa Healthcare, Belgium"""@en; dce:publisher """Agfa Healthcare/Belgium"""@en; dce:description """Formal description of substance forms."""@en; dce:format """OWL Full"""@en. # # CLASSES # subfor:GranularSubstance a rdfs:Class; rdfs:isDefinedBy ; rdfs:label """granular substance"""@en; skos:definition """Conglomeration of discrete solid, macroscopic particles characterized by a loss of energy whenever the particles interact. The most common example would be friction when grains collide."""@en; rdfs:subClassOf physical:Resource; rela:hasState state:Solid. subfor:Powder a rdfs:Class; rdfs:isDefinedBy ; rdfs:label """powder"""@en; skos:definition """Bulk solid composed of a large number of very fine particles that may flow freely when shaken or tilted."""@en; rdfs:subClassOf subfor:GranularSubstance.