PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Membrane units may be any suitable membrane unit effective at separating hydrocarbons, preferably C2 to C10 hydrocarbons, from other gases, such as nitrogen, hydrogen, or other recycle components.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au