About: http://webisa.webdatacommons.org/111795022

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	As seen in FIG. 3 of the drawings, the preferred apparatus comprises an RF source 40, a 90 degree phase shifter 42, two sets of mutually perpendicular electrodes 44 and 46, and a container 48 for a gas, such as Xenon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es