About: http://webisa.webdatacommons.org/196879463

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	Operationally, fluid flow rates should be maintained for a predetermined period of time, such as about one second to about five seconds, before decreasing the flow rate due to a subsequent impedance measurement.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk