About: http://webisa.webdatacommons.org/168237132

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	FIG. 4 is a graph showing what happens where a pressure difference of the second stage filter of the two stage filter is varied within a proper-looking range.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com