PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The native oxide can be removed by first thermally depositing a thin layer of strontium, barium, a combination of strontium and barium, or other alkaline earth metals or combinations of alkaline earth metals in an MBE apparatus.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es