1) low luminescence decay
低光衰
2) low transmission loss optical fiber
低衰耗光纤
3) degradation of light efficient
光衰
1.
For solving the problem on the degradation of light efficient of BAM phosphor,BAM phosphor was coated with alumina sol(the diameter of the particle is about 10nm) making an alumina protective film around the individual powder particle of BAM.
为改进稀土三基色荧光粉尤其是BAM荧光粉的光衰问题,采用铝溶胶对BAM荧光粉粉体进行表面处理,获得了包覆氧化铝膜层的BAM粉。
4) luminous decay
光衰
1.
Some packing materials have been tested contrastively including different brackets, glues for fixing chips, fluorescent powder and glues for mixing fluorescent powder, in order to confirm their influence on luminous decay performance of white LED.
为了确定不同封装材料对白光LED光衰等性能指标影响的程度,进行了不同材料支架、不同种类固晶胶,以及不同厂家荧光粉及配粉胶的对比试验。
2.
Some packing materials are investigated including different dies,bonding materials,phosphors,silicones and epoxy resins,in order to ascertain their influence on luminous decay performance of the φ5 white LED.
为了确定不同封装材料对φ5白光LED光衰的影响程度,对封装用芯片、键合材料、荧光粉、硅胶和环氧树脂进行了对照分析。
5) Luminous Attenuation
光衰
1.
So the performance variation of two kind of resin has important and direct effect on luminous attenuation of white lamp-LEDs.
很多国内封装的单管(Lamp)型白光发光二极管(LED)半光衰时间往往较短,这与大功率白光LED有很大不同。
2.
To study the mechanism about the luminous attenuation of high-power LEDs,a series of white and blue LEDs were lighted continuously under constant current,and the luminous flux,emission spectra and V/I characteristics were measured at different periods.
为了研究大功率LED的光衰机制,选用了一系列的大功率白光、蓝光发光二极管分别进行恒流点亮,在点亮不同时间阶段测量其光通量、发光谱及伏安特性。
补充资料：设得衰耗
【设得衰耗】
设得衰耗者，谓犯戒之人，既缺净行，纵使苦求所得赀财，福薄难消，悉皆衰耗也。
设得衰耗者，谓犯戒之人，既缺净行，纵使苦求所得赀财，福薄难消，悉皆衰耗也。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条