About: http://webisa.webdatacommons.org/420624037

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	e, at least a function of removing unnecessary material in a sample, and examples of the material for the same include porous materials such as glass films, filter paper, resin-based porous sheets, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr