- glass valve
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Dictionary English-German Informatics. 2015.
Dictionary English-German Informatics. 2015.
valve — [vælv] n [Date: 1400 1500; : Latin; Origin: valva part of a door ] 1.) a part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air etc passing through it ▪ heart valves ↑mouthpiece, ↑valve 2.) the part on a… … Dictionary of contemporary English
Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… … Wikipedia
Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… … Wikipedia
Valve audio amplifier — A valve (UK) audio amplifier or vacuum tube (US) audio amplifier is a valve amplifier used for sound recording, reinforcement, or reproduction. Until the invention of solid state devices such as the transistor, all electronic amplification was… … Wikipedia
Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… … Wikipedia
Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… … Wikipedia
valve — noun (C) 1 a part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air etc passing through it: the valves of the heart 2 the part on a trumpet 1 (1) or similar musical instrument that you press to change the… … Longman dictionary of contemporary English
valve — /vælv / (say valv) noun 1. any device for closing or modifying the passage through a pipe, outlet, inlet, or the like, in order to control the flow of liquids, gases, etc. 2. a hinged lid or other movable part in such a device, which closes or… …
Sight glass — A sight glass or water gauge is a transparent tube through which the operator of a tank or boiler can observe the level of liquid contained within. Liquid in tanksSimple sight glasses may be just a plastic or glass tube connected to the bottom of … Wikipedia
Plug valve — Plug valves [American Petroleum Institute Standards: API 6D Pipeline Valves ; API STD 599 Metal Plug Valves ] are valves with cylindrical or conically tapered plugs which can be rotated inside the valve body to control flow through the valve. The … Wikipedia
Mercury-arc valve — Mercury rectifier on display in Beromünster, Switzerland before being decommissioned A mercury arc valve (mercury vapor rectifier) is a type of electrical rectifier used for converting high voltage or high current alternating current (AC) into… … Wikipedia