PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Preferably, the carbon black is a fluffy form of carbon black comprising discrete particles in a chain-like structure such as SHAWINIGAN acetylene black which has a surface area from about 30 to about 300 square meters per gram and is available from Chevron Chemical Company.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr