- directly heated cathode filament
- Техника: катод прямого накала
Универсальный англо-русский словарь. Академик.ру. 2011.
directly heated cathode filament
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Hot cathode — is also a name for a hot filament ionization gauge, a vacuum measuring device.In vacuum tubes, a hot cathode is a cathode electrode which emits electrons due to thermionic emission. ( Cf. cold cathodes, where field emission is used and which do… … Wikipedia
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List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… … Wikipedia
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diode — /duy ohd/, n. Electronics. a device, as a two element electron tube or a semiconductor, through which current can pass freely in only one direction. [1919; DI 1 + ODE2] * * * Electronic device that has two electrodes (anode and cathode) and that… … Universalium
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mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph … Universalium
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