About: http://webisa.webdatacommons.org/274996009

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	A carrier gas such as a rare gas or oxygen is introduced into the ionization space 10A from the introduction ports 13 and produces a flow, and a negative high voltage (e.g., ???500 to
http://www.w3.org/ns/prov#wasQuotedFrom	google.com