About: http://webisa.webdatacommons.org/421400518

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 gas that is inert to the catalyst, such as nitrogen or argon, is preferably used to carry the catalyst into the bed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com