smd led surface-mount device led。表面粘着型led。表面粘着型led的出现是在1980年初，是因应更小型封装和工厂自动化而生。初期厂商裹足不前，主要因素是表面粘着led最早面临的问题是无法完成高温红外线下焊锡回流的步骤。led的比热较ic低，温度升高时不仅会造成亮度下降，且超过摄氏100度时将加速组件的劣化。led封装时使用的树脂会吸收水分，这些水分子急速汽化时，会使原封装树脂产生裂缝，影响产品效益。
发光管
n. luminotron
misc. luminescent tube
网络释义专业释义
...萤光灯支架;充电器;逆变器;12V节能灯;铅酸电池 LED;LED支架;发光二极管;发光二极管支架;发光管;发光管支架;食 物垃圾处理器;LED灯具;灯具 ..
基于136个网页-相关网页
... 发光动力学 luminescence kinetics 发光管 luminous tube 发光均匀性 uniformity of luminance ...
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... luminescent material 发光材料 luminescent tube 发光管 luminescent indicator 发光指示器 ...
基于6个网页-相关网页
短语
钟用发光管 clock LED
照明用发光管 Luminous tubes for lighting ; Tubes for lighting ; light-emitting tubes for lighting
发光二极管 light-emitting diode ; light emitting diode ; LPF Light-Emitting Diode
发光管产地 Led origin ; Photo tube habitat
有机发光二极管 OLED ; Organic Light-Emitting Diode ; Organic LEDs ; LOED ; organic light-emitting diode 缩写为 oled
调制发光管 [电子] modulator glow tube
电子束发光管 electron beam luminotron
照明用大功率发光管 HIGH POWER LED
双语例句原声例句
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选择实验电路进行验证，由发光管指示显示结果。
Select the experimental circuit to verify the result by the LED indicator is displayed.
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氖是在1898年被发现的，自1920年代以来，主要用于发光管和灯泡。
It was discovered in 1898, and since the 1920s its chief use has been in luminous tubes and bulbs.
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发光管受热均匀，从而提高三基色荧光粉的发光效率，因此功率提高5%更加节能。
Equality heat of tube, the light efficiency of tri-color powder was raised so the power 5% higher, more energy-saving.
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And so if he gets the voltage high enough, this gas discharge tube will glow.
如果管中的电压足够高的话，气体放电管将会发光燃烧。
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So, you would expect that when you rip open the skull and look at the brain; you'd see something glorious, you'd see, I don't know a big, shiny thing with glass tubes and blinding lights and sparks and wonderful colors.
所以你会期待,当你打开头盖骨时,当你看到大脑的时候,你会看到些非常辉煌的东西,你会看见,我不知道,附有玻璃管的大块发光的东西,发出耀眼的光芒,不停地冒着火花,拥有美妙的颜色
应用推荐
$firstVoiceSent
- 来自原声例句