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别介绍如下： 3．1环氧树脂(epoxy resin) 使用在封装塑粉中的环氧树脂种类有双酚A系(bisphenol-A)、novolAc epoxy、环状脂肪族环
http://blog.alighting.cn/wenlinroom/archive/2010/5/23/45349.html2010/5/23 13:12:00
d节能灯代替60瓦白炽灯，每天照明4小时计算，1支led节能灯1年可减排二氧化碳68.6千克；随手关灯减排二氧化碳4.7千克。如果全国有1/3的白炽灯换成led节能灯，每年能省下一
http://blog.alighting.cn/huichenled/archive/2010/5/22/45330.html2010/5/22 23:12:00
被照面而言，常用落在其单位面积上的光通量多少来衡量它被照射的程度，这就是照度，符号为e，它表示被照面上的光通量密度。当光通量φ均匀分布在被照表面A上时，则被照面的照度为e=φ/A。照
http://blog.alighting.cn/wenlinroom/archive/2010/5/22/45326.html2010/5/22 22:24:00
下三图较为形象地加以说明： 图2 led照明热传路径（A） 图
http://blog.alighting.cn/wenlinroom/archive/2010/5/22/45320.html2010/5/22 22:09:00
d, 'i shAll never show you A young lAdy's letter Air jordAn shoes AgAin! but whAt shAll
http://blog.alighting.cn/dou674016/archive/2010/5/22/45308.html2010/5/22 16:33:00
thAt is impossible'thAt is Air mAx 2009 impossible; i hAve A greAt deAl of importAnt wor
http://blog.alighting.cn/dou674016/archive/2010/5/22/45307.html2010/5/22 16:30:00
. cheAp jordAn shoes peter's wAs crowded with A perfect mob of smArt people. the service wA
http://blog.alighting.cn/dou674016/archive/2010/5/22/45306.html2010/5/22 16:27:00
hAve you drop'hAve you dropped Anything, sir?' nike shoes sAid A voice behind hi
http://blog.alighting.cn/dou674016/archive/2010/5/22/45305.html2010/5/22 16:25:00
. surbiton wAs there with A pArty of young men, And he wAs obliged to dine with them. cheA
http://blog.alighting.cn/dou674016/archive/2010/5/22/45304.html2010/5/22 16:23:00
f unbelief.'we hAve prAdA hAd greAt fun over A clock thAt An unknown Admirer sent pApA lAs
http://blog.alighting.cn/dou674016/archive/2010/5/22/45303.html2010/5/22 16:19:00
