PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since the recent introduction of aluminoxane-activated metallocene catalysts for the production of polyethylene, polypropylene, and copolymers of ethylene and ??-olefins such as linear low density polyethylene (LLDPE), some effort has been made to apply these catalysts to the production of EPDM elastomers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com