PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Bubbles of a gas, such as air, in an oil film cause holes that reduce oil film continuity and decrease the film's ability to prevent solid-to-solid contact. [0202] The relative tendency of various oils to release entrained gas is measured by a gas bubble separation method ASTM D 3427.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com