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absorptive attenuation

См. также в других словарях:

  • Attenuation coefficient — For attenuation coefficient as it applies to electromagnetic theory and telecommunications see propagation constant. For the mass attenuation coefficient , see the article mass attenuation coefficient. The attenuation coefficient is a quantity… …   Wikipedia

  • Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

  • Filter (optics) — Coloured and Neutral Density filters Optical filters are devices which selectively transmit light of different wavelengths, usually implemented as plane glass or plastic devices in the optical path which are either dyed in the mass or have… …   Wikipedia

  • sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… …   Universalium

  • Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… …   Universalium

  • Anechoic chamber — An anechoic chamber An anechoic chamber (an echoic meaning non echoing or echo free) is a room designed to stop reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both… …   Wikipedia

  • Sound transmission class — (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM International… …   Wikipedia

  • Cesspit — Cesspool redirects here. For the G.I. Joe character, see Cesspool (G.I. Joe). An empty, old cesspool in Slovakia …   Wikipedia

  • Absorption coefficient — The absorption coefficient α is a property of a material. It defines the extent to which a material absorbs energy, for example that of sound waves or electromagnetic radiation. Wallace Sabine was a pioneer of this concept in acoustics and… …   Wikipedia

  • (C6H11NO)n — Poly(N isopropylacrylamide) Structure du poly(N isopropylacrylamide). La structure entre crochets constitue, en se répétant, le squelette des chaînons du polymère. Le poly(N isopropylacrylamide) (abrégé en polyNIPAM, PNIPAM ou PNIPAAm) est un… …   Wikipédia en Français

  • 25189-55-3 — Poly(N isopropylacrylamide) Structure du poly(N isopropylacrylamide). La structure entre crochets constitue, en se répétant, le squelette des chaînons du polymère. Le poly(N isopropylacrylamide) (abrégé en polyNIPAM, PNIPAM ou PNIPAAm) est un… …   Wikipédia en Français

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