PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carrier gas, such as nitrogen or air, enters the bottom of the oven from a 30 psig source and is heated by heating element 21 to a temperature in the range of 25???-250??? C. and enters the top of the centrifuge through apertures 45.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com