About: http://webisa.webdatacommons.org/37886458

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 formulation may be placed in a vessel or chamber that has been purged with an oxygen-free gas, such as nitrogen, and such an oxygen-free gas may be maintained as the atmosphere therein during the photopolymerization.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com