PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Among solid polymer fuel cells (hereinafter simply referred to as ???fuel cells???), direct oxidation fuel cells, which operate on a liquid fuel such as methanol directly supplied to the anode, are suitable for size and weight reduction, and are being developed as power sources for mobile devices and portable power generators.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freshpatents.com