PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This invention further provides methods for reducing concentrations of trace impurities in reactive fluids to parts-per-billion and sub-parts-per-billion levels using a preconditioned ultra-low emission carbon based scavenger, wherein the impurities include carbon monoxide, carbon dioxide, and organic compounds such as hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com