PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metals such as sodium and magnesium, and metal hydrides also are useful catalysts. [0465] Another such chemical modification is hydroxylation, which involves the addition of water to a double bond resulting in saturation and the incorporation of a hydroxyl moiety.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sumobrain.com