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<http://webisa.webdatacommons.org/53780697>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/433074142>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/53780697> .
<http://webisa.webdatacommons.org/53780697>	<http://www.w3.org/ns/prov#value>	"Polymers such as cellulose acetates, polysulfones, polyvinylidenefluorides, and the like are usually suitable for making these nanofiltration membranes." .
<http://webisa.webdatacommons.org/prov/139491601>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/53780697> .