PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a catalytic converter, ceria acts as a buffer, absorbing or releasing oxygen, depending on the conditions of the engine, to maintain the catalyst in its optimum operating condition for converting harmful emissions such as carbon monoxide and nitrogen oxide to carbon dioxide and nitrogen gas, Rodriguez said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nanotech-now.com