PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In this instance, such a spherical carbon product or the infusibilized porous spherical pitch may be subjected to an activation treatment in an activating gas atmosphere principally comprising a moderately oxidizing gas, such as carbon dioxide or steam (water vapor) to obtain a spherical activated carbon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com