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光通量 定义

单位时间到达、离开或通过曲面的光能数量。流明 (lm) 是国际单位体系 (si) 和美国单位体系 (AS) 的光通量单位。如果您想将光作为穿越空间的粒子(光子),那么到达曲面的光

  http://blog.alighting.cn/zhiyan/archive/2010/10/20/109147.html2010/10/20 17:23:00

led基础知识

d。 led的色彩与工艺:制造led的材料不同,可以产生具有不同能量的光子,借此可以控制led所发出光的波长,也就是光谱或颜色。历史上第一个led所使用的材料是砷(AS)化镓(g

  http://blog.alighting.cn/cookie/archive/2010/10/15/106910.html2010/10/15 15:04:00

玉柴发电机组散热器(水箱)

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103821.html2010/10/10 15:40:00

潍柴发电机组散热器(水箱)

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103822.html2010/10/10 15:40:00

上柴发电机组散热器(水箱)

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103823.html2010/10/10 15:40:00

济柴发电机组散热器(水箱)

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103824.html2010/10/10 15:40:00

韩国大宇hyunju发电机组散热器(水箱)

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103817.html2010/10/10 15:39:00

英国铂金斯perkins发电机组散热器

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103818.html2010/10/10 15:39:00

富豪volvo沃尔沃发电机组散热器(水箱)

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103819.html2010/10/10 15:39:00

同柴发电机组散热器(水箱)

e equipment, port equipment, offshore platform, engineering machinery, AS well AS th

  http://blog.alighting.cn/zhugeliang/archive/2010/10/10/103820.html2010/10/10 15:39:00

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