About: http://webisa.webdatacommons.org/278313552

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	Accordingly, there is a need for an improved cold-cathode based electron source for microwave tube devices which does not require high temperature heating.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au