PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The chamber may then be purged with an inert gas such as argon (Ar) or nitrogen (N2), and vacuum purged to remove the non-chemically absorbed portions of the first reactant 2 from the chamber, leaving the chemisorbed layer 4 of the first reactant 2 intact on the substrate 1.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com