anode spot

См. также в других словарях:

• spot — 1. SYN: macula. 2. To lose a slight amount of blood through the vagina. acoustic spots macula of utricle, macula of saccule. Bitot spots small, circumscribed, lusterless, grayish white, foamy, greasy, triangular deposits on the bulbar …   Medical dictionary

• focal spot size — The measured size of a focal spot of an x ray tube, a function of the actual size of the cathode and the angulation of the anode surface. See focal spot …   Medical dictionary

• Vacuum arc — A vacuum arc can arise when the surfaces of metal electrodes in contact with a good vacuum begin to emit electrons either through heating (thermionic emission) or via an electric field that is sufficient to cause field emission. Once initiated, a …   Wikipedia

• анодное пятно — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва] Тематики электротехника, основные понятия EN anode spot …   Справочник технического переводчика

• X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …   Wikipedia

• Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… …   Wikipedia

• ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …   Wikipedia

• Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …   Wikipedia

• Tube cathodique — Photo du tube cathodique se trouvant à l’intérieur d’un téléviseur …   Wikipédia en Français

• Mercury arc valve — A mercury arc valve (mercury vapor rectifier) is a type of electrical rectifier which converts alternating current into direct current. Rectifiers of this type were used in electric motor power supplies for industry, in electric… …   Wikipedia

• electronics — /i lek tron iks, ee lek /, n. (used with a sing. v.) the science dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. [1905 10; see ELECTRONIC,… …   Universalium