About: http://webisa.webdatacommons.org/13697318

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 term activating gas comprising water vapor and carbon dioxide herein means an atmosphere which contains, besides water vapor and carbon dioxide, nitrogen and may contain a small amount, i.e. not more than 1%, of oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk