Noise mitigation — is a set of strategies to reduce noise pollution. The main areas of noise mitigation or abatement are: transportation noise control, architectural design, and occupational noise control. Roadway noise and aircraft noise are the most pervasive… … Wikipedia
фрикционные помехи — Помехи, возникающие при перемещении преобразователя по шероховатой поверхности объекта контроля. Характерны для преобразователей с сухим точечным контактом, применяемых в низкочастотных акустических дефектоскопах. [Система неразрушающего контроля … Справочник технического переводчика
Friction — For other uses, see Friction (disambiguation). Classical mechanics … Wikipedia
Unemployment — World unemployment rates[1] as of January 2009[update] Unemployment (or … Wikipedia
fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… … Universalium
Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with … Wikipedia
Whammy bar — A whammy bar, tremolo arm/bar, or vibrato arm/bar is a component of a guitar, used to add vibrato to the sound by changing the tension of the strings, typically at the bridge or tailpiece. The whammy bar enables the player to quickly vary the… … Wikipedia
Sliding (motion) — Sliding is a type of frictional motion between two surfaces in contact. This can be contrasted to rolling motion. Both types of motion may occur in bearings.The relative motion or tendency toward such motion between two surfaces is resisted by… … Wikipedia
ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… … Universalium
railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… … Universalium
Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 … Wikipedia
