About: http://webisa.webdatacommons.org/4736897

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	Further, the diaphragm ensures that the driving fluid i.e. pressurised air does not contaminate the fluid, such as systemic fluid, that is present in the first vessel as it provides an impermeable barrier.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com