About: http://webisa.webdatacommons.org/225320174

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 atmosphere for the heating is preferably an atmosphere of 100% inert gas such as helium or argon, or an atmosphere containing as the main component an inert gas such as helium or argon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com