- secondary valve
- вторичная створка* * *вторичная створка
English-russian biological dictionary. 2013.
secondary valve
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Secondary emission — is a phenomenon where additional electrons, called secondary electrons, are emitted from the surface of a material when an incident particle (often, charged particle such as electron or ion) impacts the material with sufficient energy. The number … Wikipedia
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Secondary air injection — Theory and origins= Secondary air injection (commonly air injection, colloquially smog pump, trademark Air Injection Reactor) is an automobile emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream.… … 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
Secondary hypertension — While most forms of hypertension in humans have no known underlying cause (and are thus known as essential hypertension or primary hypertension ), in about 10% of the cases, there is a known cause, and thus the hypertension is secondary… … Wikipedia
secondary teeth — (BRACHIOPODA) In Stropheodontidae, two projections from the ventral process that fit into sockets of the brachial valve … Dictionary of invertebrate zoology
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pressurization and dump valve — A valve used in a turbine engine fuel system equipped with duplex nozzles. When the demand for fuel is low, it flows through the primary manifold. The pressurization valve opens at a high fuel flow to deliver fuel to the secondary manifold. At… … Aviation dictionary
Glaucoma valve — A glaucoma valve is a medical shunt used in the treatment of glaucoma to reduce the eye s intraocular pressure (IOP). MechanismThe device works by bypassing the trabecular meshwork and redirecting the outflow of aqueous humor through a small tube … 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
Check valve — Check Check (ch[e^]k), n. [OE. chek, OF. eschec, F. [ e]chec, a stop, hindrance, orig. check in the game of chess, pl. [ e]checs chess, through Ar., fr. Pers. sh[=a]h king. See {Shah}, and cf. {Checkmate}, {Chess}, {Checker}.] 1. (Chess) A word… … The Collaborative International Dictionary of English
