PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A single crystal silicon wafer is used as a target for sputtering, and a sputtering gas is a mixture gas of argon and hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com