About: http://webisa.webdatacommons.org/243700023

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	Furthermore,'the motor speed may be expressed by the relationship n==E/k in which v v n is the motor shaft speed in revolutions per minute, 7 is the magnetic field flux of the motor, and k is a lumped constant for the particular motor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk