Shock (mechanics) — A mechanical or physical shock is a sudden acceleration or deceleration caused, for example, by impact, drop, kick, earthquake, or explosion. Shock is a transient physical excitation.Shock is usually measured by an accelerometer. This describes a … Wikipedia
импульс ударного ускорения — Интеграл от ударного ускорения за время, равное длительности его действия. [ГОСТ 8.127 74] Тематики измерение парам. ударного движения EN shock acceleration pulse DE Stoßbeschleunigungsimpuls FR impulsion de l’accélération de choc … Справочник технического переводчика
cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… … Universalium
Dynamic response index — The Dynamic Response Index (DRI) is a measure of the likelihood of spinal damage arising from a vertical shock load such as might be encountered in a military environment (i.e., during a mine blast, or in an ejection seat). The DRI is a… … Wikipedia
D-17B — Autonetics D 17 guidance computer from a Minuteman I missile. The D 17B is a computer used in missile guidance systems, specifically the Minuteman I NS 1OQ missile guidance system, which contains a D 17B computer, the associated stable platform,… … Wikipedia
Project Orion (nuclear propulsion) — An artist s conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion. Project Orion was a study of a spacecraft intended to be directly propelled by a series of explosions of atomic bombs behind the… … Wikipedia
Hydropneumatic device — North American, European, and other languages refer to hydropneumatic devices such as a hydropneumatic accumulator or pulsation damper using very different words. In many cases this can cause a great deal of word usage confusion. This article… … Wikipedia
Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr … Wikipedia
earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake … Universalium
Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal … Wikipedia
Detonation — For other uses, see Detonation (disambiguation). Detonation of the 500 ton TNT explosive charge as part of Operation Sailor Hat. The initial shock wave is visible on the water surface and a shock condensation cloud is visible overhead … Wikipedia