PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • presence of a catalyst having the general formula MM'(-OROH)4 where M is an alkali metal, M' is aluminum or boron and R is alkylene, isoalkylene, cycloalkylene or aralkylene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com