PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The nitrogen-containing atmosphere can be pure nitrogen, nitrogen mixed with a non-oxidizing gas, or an atmosphere of a compound which generates nitrogen in the reaction conditions, e.g. ammonia or an amine such as methylamine.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com