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1·Their quantum efficiency is in the 1 to 4 percent range.

量子效率仅在百分之一到百分之四之间。

2·The external quantum efficiency of photon crystal(PHC) structured LED is calculated.

对光子晶体结构的外量子效率进行了计算。

3·A gallium nitride LED on sapphire has a typical internal quantum efficiency of around 70%.

基于蓝宝石的氮化镓发光二极管的一般内量子效率约为70%。

4·Fluorescent quantum efficiency has nothing to do with the wavelength of exciting light.

荧光量子效率不随激发光波长而变化。

5·Problems in the experiment and the method of obtaining high quantum efficiency are discussed.

文中讨论了实验中存在的问题和提高量子效率的方法。

6·The results show that the internal quantum efficiency of such structure devices can be as higher as 88%.

结果表明，这种结构器件的内量子效率可达88％。

7·Electron multiplying CCD is the novel imager that has ultra-low readout noise and high quantum efficiency.

电子倍增CCD是超低读出噪声和高量子效率的新型器件。

8·Average quantum efficiency is 15% and short wavelength responses are almost equivalent to long wavelength ones.

阴极的平均量子效率15%，且短波响应与长波响应几乎相当。

9·However, it has some disadvantages keeping back its application, such as low quantum efficiency, low reaction rate.

就目前而言，量子效率低、反应速度慢等缺点制约了光催化氧化的应用。

10·The important measure of success is the internal quantum efficiency, which shows just how good an LED is at making light.

成功与否，很重要的一种衡量方式就是内部量子效率，即LED的造光质量。