About: http://webisa.webdatacommons.org/345650242

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	A catalytic material, such as a perovskite, zeolite, hexaaluminate, and the like, may be subsequently applied to the tubes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com