PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In this configuration, the natural gas effluent emerging from the well-head is passed over the multiple catalytic beds or stages at the temperatures, pressures, and flow rates optimized to the nature of the catalytic reaction employed and the physical characteristics of the catalyst such as surface area, porosity, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com