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一、 散热:由于目前半导体发光二极管晶片技术的限制,led的光电转换效率还有待提高,尤其是大功率led,因其功率较高,大 约有60%以上的电能将变成热能释放(随着半导体技术的发
http://blog.alighting.cn/ciesawa/archive/2012/4/10/271718.html2012/4/10 23:24:08
能和效果(1) 15%-60%的高节电率:对于荧光灯可以在保持亮度基本不变的情况下,达到 15%的节电率。对于 hid灯,达到 60%的节电率时,能够保证 hid灯内弧的稳定。(
http://blog.alighting.cn/174794/archive/2013/4/22/315188.html2013/4/22 17:08:17
成损坏3防止喷洒的水侵入防雨或防止与垂直的夹角小于60度的方向所喷洒的水侵入电器而造成损坏4防止飞溅的水侵入防止各个方向飞溅而来的水侵入电器而造成损坏5防止喷射的水侵入防止来自各个方
http://blog.alighting.cn/13129578758/archive/2013/7/12/320868.html2013/7/12 18:07:07
y hAve been online cAsino for ten yeArs now And run A professionAl ship As you will no doub
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o coAch hAndbAgs kowtow to A doctor, to heAd A blood-soAked, doctor just sigh. fAther mA
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some of which Are sed clotheso smAll thAt one hAs A hArd time seeing them thro ed hArd
http://blog.alighting.cn/nihao85422/archive/2010/5/20/45070.html2010/5/20 16:05:00
ckj5系列真空交流接触器 简单介绍ckj5系列真空交流接触器(以下简称接触器),主要用于交流50hz,额定工作电压至1140v,额定工作 电流至630A的电路中,供远距离接通和
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. while durAble And held deAr, the pAstorAl let hAve mAnAged to mAke sAfe A methodicAl An
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d reliAble web servers. bluehost offers A greAt low-cost, high quAlity plAn for only $6.9
http://blog.alighting.cn/redcar/archive/2010/1/1/22997.html2010/1/1 12:48:00