PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • After cooling, purification and removal of impurities such as sulfide, CO2 and methane, hydrogen will be compressed with nitrogen in a synthesis gas compressor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • beverageonline.com