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light degradation

См. также в других словарях:

  • Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …   Wikipedia

  • Degradation (telecommunications) — In telecommunication, degradation, which may be categorized as either graceful or catastrophic , has the following meanings: The deterioration in quality, level, or standard of performance of a functional unit. In communications, a condition in… …   Wikipedia

  • Polymer degradation — is a change in the properties tensile strength, colour, shape, etc of a polymer or polymer based product under the influence of one or more environmental factors such as heat, light or chemicals. These changes are usually undesirable, such as… …   Wikipedia

  • Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …   Wikipedia

  • Thermal degradation of polymers — is molecular deterioration as a result of overheating. At high temperatures the components of the long chain backbone of the polymer can begin to separate (molecular scission) and react with one another to change the properties of the polymer.… …   Wikipedia

  • Forced degradation — or accelerated degradation is a process whereby the natural degradation rate of a product or material is increased by the application of an additional stress. Introduction Forced degradation studies are used to identify reactions which may occur… …   Wikipedia

  • Traffic light — The traffic light, also known as traffic signal, stop light, traffic lamp, stop and go lights, robot or semaphore, is a signaling device positioned at a road intersection, pedestrian crossing, or other location. Its purpose is to indicate, using… …   Wikipedia

  • LED anchor light — A LED anchor light is a newer type of an already existing marine signaling light known as an anchor light , defined by international regulations as a 360 degree white all round light with a given range of one NM (Nautical Mile), two NM, or three… …   Wikipedia

  • Flexible organic light-emitting diode — Demonstration of a flexible OLED device Demonstration of a battery driven flexible OLED lamp fr …   Wikipedia

  • photo-degradation — noun (Degradation by means of radiant energy as light.) …   Wiktionary

  • Concrete degradation — may have various causes. Concrete can be damaged by fire, aggregate expansion, sea water effects, bacterial corrosion, calcium leaching, physical damage and chemical damage (from carbonation, chlorides, sulfates and distilled water). This process …   Wikipedia

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