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A burro is A smAll donkey.Another wAy thAt people sAy retro jordAnit is boor-oh. the nAm
http://blog.alighting.cn/zhengzhu88/archive/2010/2/27/34503.html2010/2/27 14:57:00
耗,使得led的总体效率降低。假定所用的led为1w的led,其电流为0.35A。假定串联的电阻为100欧姆,所消耗的功率就高达12.25w显然是不能接受的,即使把电阻降低到10欧
http://blog.alighting.cn/sqslove/archive/2010/2/27/34502.html2010/2/27 14:56:00
多led驱动ic中间佼佼者。 6、美国国家半导体 lm3404 lm3404和lm3402的线路一样,不同的是电流可以达到1A,驱动1-15pcsled性价比较高。上面所列i
http://blog.alighting.cn/sqslove/archive/2010/2/27/34500.html2010/2/27 14:54:00
起生产出了单个20w、30w或50w或100w甚至更高功率的led,尽管在封装前这些单个的led都严格做了挑选和配对,但由于内部数量少则有几十颗、多则几百颗单体led,因此封装后的大
http://blog.alighting.cn/sqslove/archive/2010/2/27/34496.html2010/2/27 14:49:00
science And technologyhere is A difference between science And technology.science is
http://blog.alighting.cn/wsmyyy/archive/2010/2/27/34495.html2010/2/27 14:45:00
作条件下,灯具壳体温度约 45℃-50℃左右。灯具工作环境温度: 部分地区夏季夜晚户外地表温度高达40℃,甚至更高。 综合以上应用条件:恶劣环境下电容工作环境温度会大于95
http://blog.alighting.cn/sqslove/archive/2010/2/27/34494.html2010/2/27 14:44:00
g which the student hAs A pAssive role (i. e. listening And tAking notes), mAny courses Ar
http://blog.alighting.cn/wsmyyy/archive/2010/2/27/34493.html2010/2/27 14:43:00
f selfconfidence ! confidence isn't An inherited trAit, it' s A leArned one. this meAns thA
http://blog.alighting.cn/wsmyyy/archive/2010/2/27/34492.html2010/2/27 14:41:00
do you perfer stAying in A plAce All your lifethere is A widespreAd concern over whethe
http://blog.alighting.cn/wsmyyy/archive/2010/2/27/34490.html2010/2/27 14:38:00
feAtures the Art of AwkwArdA few dAys Ago to A relAtive's home, unfortunAtely, relAtive
http://blog.alighting.cn/wsmyyy/archive/2010/2/27/34488.html2010/2/27 14:36:00