About: http://webisa.webdatacommons.org/54267243

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	In this case, it is sufficient if only the tip end of the needle which is the emission position, is heated, however, a large heat capacity including the filament is actually heated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com