- high-velocity electron
- быстрый электрон
English-Russian dictionary of chemistre. 2014.
high-velocity electron
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Electron beam welding — (EBW) is a fusion welding process in which a beam of high velocity electrons is applied to the materials being joined. The workpieces melt as the kinetic energy of the electrons is transformed into heat upon impact, and the filler metal, if used … Wikipedia
electron-volt — n. a unit of energy, being equal to the kinetic energy acquired by an electron when accelerated through a potential difference of one volt. It is equal to 1.602 x 10^{ 19} Joules. It is abbreviated eV. Note: The unit electron volt is often used… … The Collaborative International Dictionary of English
Electron beam machining — (EBM) is a machining process where high velocity electrons are directed toward a work piece, creating heat and vaporizing the material. Applications of this process are annealing, metal removal, and welding (see Electron Beam Welding). EBM can be … Wikipedia
electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube … Universalium
Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… … Wikipedia
Electron avalanche — An electron avalanche is a process in which a number of free electrons in a medium (usually a gas) are subjected to strong acceleration by an electric field, ionizing the medium s atoms by collision (called impact ionization), thereby forming new … Wikipedia
high-pressure phenomena — ▪ physics Introduction changes in physical, chemical, and structural characteristics that matter undergoes when subjected to high pressure. pressure thus serves as a versatile tool in materials research, and it is especially important in… … Universalium
Electron diffraction — is a technique used to study matter by firing electrons at a sample and observing the resulting interference pattern. This phenomenon occurs due to the wave particle duality, which states that a particle of matter (in this case the incident… … Wikipedia
Electron beam lithography — (often abbreviated as e beam lithography) is the practice of scanning a beam of electrons in a patterned fashion across a surface covered with a film (called the resist),cite book |last= McCord |first=M. A. |coauthors=M. J. Rooks |title=… … Wikipedia
Electron mobility — This article is about the mobility for electrons and holes in metals and semiconductors. For the general concept, see Electrical mobility. In solid state physics, the electron mobility characterizes how quickly an electron can move through a… … Wikipedia
High performance liquid chromatography — Infobox chemical analysis name = High performance liquid chromatography caption =A HPLC. From left to right: A pumping device generating a gradient of two different solvents, a steel enforced column and an apparatus for measuring the absorbance.… … Wikipedia
