- thermionic-field
- термоавтоэлектронный
English-Russian big polytechnic dictionary. 2014.
thermionic-field
Смотреть что такое "thermionic-field" в других словарях:
thermionic-field emission — termoelektroninė lauko emisija statusas T sritis radioelektronika atitikmenys: angl. thermionic field emission vok. thermische Feldemission, f rus. термоавтоэлектронная эмиссия, f pranc. émission thermo électronique par effet de champ, f … Radioelektronikos terminų žodynas
Thermionic emission — Closeup of the filament on a low pressure mercury gas discharge lamp showing white thermionic emission mix coating on the central portion of the coil. Typically made of a mixture of barium, strontium and calcium oxides, the coating is sputtered… … Wikipedia
Field emission — (FE) is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. In this phenomenon, electrons with energies below the Fermi level tunnel through the potential barrier at the… … Wikipedia
thermionic emission — n. the phenomenon of electron or ion emission from the heated surface of a conductor * * * ▪ physics discharge of electrons from heated materials, widely used as a source of electrons in conventional electron tubes (e.g., television picture … Universalium
Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… … Wikipedia
Field emission gun — A field emission gun is a type of electron gun in which the emitter tip is held at several kilovolts negative potential relative to a nearby electrode, so that there is sufficient potential gradient at its surface to cause field emission of… … Wikipedia
field emission — Physics. the removal of electrons from a metallic conductor by a strong electric field. [1925 30] * * * ▪ physics also called Cold Emission, discharge of electrons from the surface of a material subjected to a strong electric field. In… … Universalium
Earth's field NMR — Nuclear magnetic resonance (NMR) in the geomagnetic field is conventionally referred to as Earth s field NMR (EFNMR). Note that the same acronym is used for electric field NMR.EFNMR is a special case of low field NMR.When placed in a constant… … Wikipedia
Thermoïonique — Vue rapprochée d une lampe au mercure à basse pression montrant une émission lumineuse autour de la partie centrale du filament. Cette émission lumineuse est provoquée par une émission thermoïonique. La couche blanche du filament est… … Wikipédia en Français
termoelektroninė lauko emisija — statusas T sritis radioelektronika atitikmenys: angl. thermionic field emission vok. thermische Feldemission, f rus. термоавтоэлектронная эмиссия, f pranc. émission thermo électronique par effet de champ, f … Radioelektronikos terminų žodynas
thermische Feldemission — termoelektroninė lauko emisija statusas T sritis radioelektronika atitikmenys: angl. thermionic field emission vok. thermische Feldemission, f rus. термоавтоэлектронная эмиссия, f pranc. émission thermo électronique par effet de champ, f … Radioelektronikos terminų žodynas
