PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In any case, the conditions should preferably be such as to ensure that the gases discharged from the reaction vessel contain from 1 to 5% of oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com