PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Broad research efforts by chemists and chemical engineers are aimed at optimizing these chemical reactions to allow more efficient combustion, reduce volatility, or remove atoms such as sulfur and nitrogen that contribute to air pollution when the fuel burns.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nap.edu