PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Materials used as heterogeneous catalysts include metals, metal mixtures, intermetallic compounds, and a wide range of metal compounds including metal oxides, sulfides, halides, other binary metal compounds, hydroxides, and polynuclear metallates with oxides, sulfides, phosphates, and halides.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.fr