About: http://webisa.webdatacommons.org/287334203

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	The modulated light impinges on and passes through a partially transmissive conductive reference electrode 35 which is spaced from the specimen 31 by an insulating medium such as a gas or a vacuum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk