PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • [0050] In this reaction, methane separated from natural gas is usually used, however, methane produced from resources such as petroleum, coal, methane hydrate, may be used. [0051] The material of the catalyst is prepared by carrying a metal in the iron group selected from a group consisting of nickel, cobalt or iron on a carrier consisting of silica, alumina or magnesia.
http://www.w3.org/ns/prov#wasQuotedFrom
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