PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • d Pt, oxides such as SnO2, In2O3, BaO and MgO, or carbon or a mixture of any of the above, each having a low work function and high thermal resistance, utilizing vacuum deposition, coating, sputtering deposition, dipping, or the like process.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com