PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Current designs of solid polymer fuel cell are very sensitive to the presence of carbon monoxide and the process of reducing its content to very low levels, e.g. parts per million, begins with the stoichiometric ratio of the reactants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk