PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To achieve the desired phase composition, the surface decarburizing process requires a controlled partial pressure of decarburizing gas, e.g., hydrogen, carbon dioxide, oxygen and other mixtures, with hydrogen being preferred, amid the general protective environment at the heat treating temperature.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr