two-stage valve

two-stage valve
двухкаскадный клапан

English-Russian scientific dictionary. 2008.

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  • stage — ► NOUN 1) a point, period, or step in a process or development. 2) a raised floor or platform on which actors, entertainers, or speakers perform. 3) (the stage) the acting or theatrical profession. 4) a scene of action or forum of debate. 5) a… …   English terms dictionary

  • 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

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  • 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 transmitters — Most high power transmitter amplifiers are of valve construction because of the high power required.Anode circuitsSince valves are designed to operate with much higher resistive loads than solid state devices, the most common anode circuit 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

  • stage — n. & v. n. 1 a point or period in a process or development (reached a critical stage; is in the larval stage). 2 a a raised floor or platform, esp. one on which plays etc. are performed before an audience. b (prec. by the) the acting or… …   Useful english dictionary

  • stage — noun 1》 a point, period, or step in a process or development.     ↘a section of a journey or race. 2》 a raised floor or platform on which actors, entertainers, or speakers perform.     ↘(the stage) the acting or theatrical profession. 3》 a scene… …   English new terms dictionary

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  • Artificial heart valve — An artificial heart valve is a device implanted in the heart of a patient with heart valvular disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires… …   Wikipedia

  • Ball valve — A ball valve (like the butterfly valve and plug valve are one of the family of valves called quarter turn valves ) is a valve that opens by turning a handle attached to a ball inside the valve. The ball has a hole, or port, through the middle so… …   Wikipedia


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