- light sensitive index
- 感光指数
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Atmospheric Sciences (English-Chinese) dictionary. 2014.
light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics … Universalium
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
Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution … Wikipedia
Light brown apple moth controversy — The Light brown apple moth ( Epiphyas postvittana , often abbreviated to LBAM) is a leafroller moth belonging to the lepidopteran family Tortricidae. The insect is regarded as an herbivorous generalist, and the larvae consume numerous… … Wikipedia
Light Amplification by Stimulated Emission of Radiation — Dieser Artikel wurde aufgrund von inhaltlichen Mängeln auf der Qualitätssicherungsseite des Portals Physik eingetragen. Dies geschieht, um die Qualität der Artikel aus dem Themengebiet Physik auf ein akzeptables Niveau zu bringen. Dabei werden… … Deutsch Wikipedia
Light curtain — A light curtain is a device which uses an array of photoelectric sensors to detect the presence of an object. Light curtains are commonly used with industrial equipment to 1) ensure machine safety at a point of operation control, area access… … Wikipedia
Street light — A street light, lamppost, street lamp, light standard or lamp standard, is a raised source of light on the edge of a road, turned on or lit at a certain time every night. Modern lamps may also have light sensitive photocells to turn them on at… … Wikipedia
Liquid light shows — [Video of liquid light show.http://video.google.com/videoplay?docid=2430665781737138315 hl=en] or psychedelic light shows surfaced in the mid 1960s and early 1970s in America and Europe. Leading names were Glen McKay’s [Glen McKay.… … Wikipedia
Color index — For the colorant reference database, see Colour Index International. In astronomy, the color index is a simple numerical expression that determines the color of an object, which in the case of a star gives its temperature. To measure the index,… … Wikipedia
Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… … Wikipedia
Slow light — is the literal slowing of the speed of light. It is the propagation of an optical pulse or other modulation of an optical carrier at a very low group velocity. The term is usually only applied when the velocity is at least hundreds of times… … Wikipedia