About: http://webisa.webdatacommons.org/67145558

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	Similar effects can be obtained by active biasing of the shield, specifically biasing the shield negative by a predetermined amount relative to the chamber wall and other parts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr