About: http://webisa.webdatacommons.org/42098154

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	Such a window can be made for example of quartz or fused silica having an index of refraction matched with that of the liquid, so that the interface between the liquid and the window is not seen by the passing laser energy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.in