About: http://webisa.webdatacommons.org/137122383

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	In the first method, the membrane is a hydrophobic porous membrane made of a substance such as polytetrafluoroethylene (PTFE), through which water can not permeate, but vapor can, as shown in FIG. 1.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com