PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Suitable gases include those inert to the algal cell components, including nitrogen, carbon dioxide, argon and other noble gases, which are generally considered to be chemically inert, and mixtures of these gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com