PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the event that nitrogen, carbon dioxide or other gases begin to be recovered through the production well 24 and the line 30, make-up methane can be added to the line 38 as necessary to produce the desired quantity of synthesis gas and maintain the desired quantity of tail gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com