About: http://webisa.webdatacommons.org/394080544

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	One frequently used technique involves first charging the toner layer with a scorotron for a fixed time, e.g. 2 seconds, and then monitoring the surface voltage decay as a function of time as soon as charging is turned off.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com