About: http://webisa.webdatacommons.org/15889654

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 aerogels may be in an evacuated enclosure, or in an enclosure that is backfilled with a heavy gas, such as xenon, to minimize the thermal conductivity due to the gas.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com