About: http://webisa.webdatacommons.org/32003389

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	Membranes and other types of filter media may have an upstream side, which is the side or face communicating with a process fluid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com