About: http://webisa.webdatacommons.org/337958687

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The NOX reducing catalyst has a substrate made of, for example, zeolite ZSM-5, and metals such as copper Cu and iron Fe are attached there to by an ion exchange method.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk