- cathode à métal
- = cathode métallique тугоплавкий катод, металлический катод
Dictionnaire polytechnique Français-Russe. 2013.
cathode à métal
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Cathode — Diagram of a copper cathode in a galvanic cell (e.g., a battery). A positive current i flows out of the cathode (CCD mnemonic: Cathode Current Departs). A cathode is an electrode through which electric current flows out of a polarized electrical… … Wikipedia
Cathode ray — Cathode rays (also called an electron beam or e beam) are streams of electrons observed in vacuum tubes, i.e. evacuated glass tubes that are equipped with at least two electrodes, a cathode (negative electrode) and an anode (positive electrode)… … Wikipedia
cathode — [ katɔd ] n. f. • 1838; formé en angl. par Faraday d apr. le gr. kata « en bas » et hodos « chemin » ♦ Sc. Électrode négative (opposé à anode, anticathode).⇒ électrolyse. Pôle d une pile d une batterie chargé positivement. ● cathode nom féminin ( … Encyclopédie Universelle
Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… … Wikipedia
Cathode heater — A cathode heater is a filament used to heat the cathode in a vacuum tube or cathode ray tube. Before transistors and integrated circuits came into widespread use, electronic devices used vacuum tubes. The cathode element had to achieve the… … Wikipedia
Metal–air electrochemical cell — The types of metal–air batteries have different capacities A metal–air electrochemical cell is an electrochemical cell of which the anode is a made from pure metal and the cathode connects to an inexhaustible supply of air.[1][2 … Wikipedia
cathode-ray oscilloscope — ▪ instrument electronic display device containing a cathode ray tube (CRT) that generates an electron beam that is used to produce visible patterns, or graphs, on a phosphorescent screen. The graphs plot the relationships between two or… … Universalium
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
Cold cathode — This article is about light sources and indicators. For cold cathode ion sources, see Ion source. CCFL redirects here. For other uses, see CCFL (disambiguation). Cold cathode fluorescent lamp A cold cathode is a cathode used within nixie tubes,… … Wikipedia
Mu-metal — Five layer mu metal box. Each layer is about 5 mm thick. It reduces the Earth s magnetic field inside by about 1500 times. Mu metal is a nickel iron alloy (approximately 77% nickel, 16% iron, 5% copper and 2% chromium or molybdenum) … Wikipedia
Mercure (métal) — Mercure (chimie) Pour les articles homonymes, voir Mercure. Mercure … Wikipédia en Français
