PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, the reduction is carried out in the presence of a catalyst, such as palladium or nickel, and in the presence of ammonia under super-atmospheric conditions and at temperatures less than 100 C., in the range of 70100 C., under pressure of hydrogen on the order of 700 to 1500 pounds per square inch gauge.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com