PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, conventional Ziegler-Natta catalyst systems and metallocene catalyst systems have extremely different responses to molecular weight regulators, such as hydrogen and comonomer, and as such these catalysts are considered to be incompatible.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com