About: http://webisa.webdatacommons.org/29776137

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	In a third example of a process gas, oxygen is again supplied in a carrier gas such as carbon dioxide, oxygen, ozone, nitrous oxide, or hydrogen peroxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com