About: http://webisa.webdatacommons.org/357314982

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	Some ceramic materials such as alumina or other metal oxides might be used and experiments indicate that Vycor porous glass as manufactured by Corning Glass Works, Corning, N.Y., is a suitable material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com