About: http://webisa.webdatacommons.org/449162741

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	Many materials such as metals and ceramics, can be prepared as porous media.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com