Hot cathode

https://www.wikidata.org/wiki/Q1365473

Field Hierarchy

Parent
Physics 31.7M papers	Chemistry 28.4M papers	Engineering 23.9M papers	Quantum mechanics 13.1M papers
Electrical engineering 4.7M papers	Physical chemistry 3.1M papers	Nuclear physics 1.9M papers	Electron 942k papers
Cathode 172k papers
Current
Hot cathode 1,668 papers
Child

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History