Lumen : The unit for measuring luminous flux. One lumen is the flux emitted in one solid angle by a point light source of one candela. 流明:量度光通量的单位。1流明是由1烛光的点光源在1立体角内所发出的通量。
However, in order to improve the quality and efficiency of an illumination device, good and uniform candela distribution is essential. 然而,要使得照明灯具有较佳的使用效率与照明品质,良好且均匀的配光设计是必要的。
French defender Vincent Candela(C), signed in the transfer window from Roma, made his debut in the reserves this week and could figure. 在冬季球员转会期大门关闭前刚刚从意大利罗马队转会而来的法国后卫文森特·坎德拉(C)将在本周联赛中首次登场亮相,或许将有不错的表现。
A new method, which reappears candela with cryogenic radiometer and makes comparison with the method of electric calibrated absolute radiometer, is introduced. 介绍一种利用低温辐射计算复现坎德拉(C)的新方法,并把它与电校准绝对辐射计法进行了比较。
This paper presents the principle of Cryogenic radiometer, current status of development in cryogenic radiometer technique, its relation with the most commonly used quantities in illuminating engineering, such as luminous intensity ( candela, SI base unit ), illuminance, luminance and color of source. 本文介绍了低温辐射计原理、技术发展现状以及与照明工程中常用量值发光强度(SI基本单位坎德拉(C))、照度、亮度、光源色等主要量的关系。