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。
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。
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%。
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。
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。
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％。
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。
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。
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。
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。
The quantum efficiency of organic light emitting diodes (OLED) is an extraordinary factor of devices luminescence performance.
有机电致发光器件(OLED)的量子效率是衡量器件发光性能的一个非常重要的参数。
This type of devices are required to have high-speed, high quantum efficiency and ultra-narrow spectral linewidth simultaneously.
这类器件需要同时具备高速、高量子效率、超窄光谱响应线宽的性能。
The modification methods of titanate nanotubes are adopted to broaden the photoabsorption region and improve photo-quantum efficiency.
为了拓宽可见光吸收范围和提高量子产率，需要对其进行改性。
The inhabited degree of net photosynthetic rate and apparent quantum efficiency by UV B radiation were positively correlative to leaf position.
UVB辐射后，黄瓜叶片的光呼吸显著提高，增幅与叶片发育阶段有关。
The detective quantum efficiency (DQE) can be used to accurately describe the image noise transfer characteristics through many imaging systems.
检测量子效率(DQE)可被用来精确描述图像噪声通过成像系统的传播特性。
In this paper, the hemispherical grating technique, which is effectively used in enhancing quantum efficiency of Si photodetector, is introduced.
本文介绍了提高硅光探测器量子效率的半球形点阵技术。
The structure may have less complex focusing, reduced crosstalk, tighter pixel packing density, increased quantum efficiency, and wafer-level packaging.
所述结构可具有较不复杂的聚焦、减小的串扰、较紧密的像素组装密度、提高的量子效率及晶 片级封装。
The result agree well with experimental result, and it is also according with theoretical result of quantum efficiency-recombination center luminescence.
这一结论与实验符合得很好，并与量子限制效应-复合中心发光的理论结果相一致。
The effects of device temperature on the laser threshold current, external differential quantum efficiency (DQE), and output wavelength are also investigated.
研究了器件温度对于激光阈值电流、外微分量子效率和输出波长的影响。
Under electroluminescent mechanism, external quantum efficiency and internal quantum efficiency are used to evaluate the organic electroluminescent properties.
从发光机制考虑，一般常用外量子效率和内量子效率来评价。
The photo-detector must satisfy the follow basic conditions:1 The quantum efficiency of photo-detector should be high enough to reduce the influence of quantum noise;
实验中，光电探测器的选取要满足以下基本条件：1、光电探测器的量子效率要足够高，从而在探测过程中减小对量子噪声的破坏；
The fluorescence quantum efficiency of oxazine 1perohlorate in1-dichloro-ethane was measured with photoacoustic speetroscopy in which the fluorescence quenching wag used.
利用光声光谱技术，采取猝灭的方法对（口恶）嗪1高氯酸盐的二氯乙烷溶液进行荧光量子效率的测量。
The advantage of phosphorescent materials is that they can utilize both singlet and triplet exciton states which can reach 100% internal quantum efficiency theoretically.
磷光材料在发光过程中可以利用单线态和三线态激子，理论上内量子效率达到100%，这类材料的使用成为提高器件效率的主要途径之一。
The high quantum efficiency, wide dynamic range (70db) and low noise (<0.02 electron per second) performance make it can distinguish tiny biases and get accurate measurement result.
动态范围宽（70db），信号热噪声小（<0.02electronpersecond）无论测量高亮度光源（LED显示屏）还是分辨发光像素的细微偏差都能精确无误。
The photocathode composition determines the spectral response, the quantum efficiency at each wavelength, the overall uniformity of photomultiplier sensitivity, and the dark current.
光电阴极的构成决定光谱响应、每种波长的量子效应、光电倍增管灵敏度的均一性和暗电流。
Nd3 + enters into fluoride with the low phonon energy, so the loss of irradiation transitions deduces, the quantum efficiency of oxy-fluoride glass is higher than that of oxide glass.
由于钕离子进入低声子能量的氟化物中，无辐射跃迁损失小，氟氧化物玻璃基质的量子效率高于氧化物玻璃基质的量子效率。
Easily integrated into designs implemented in X-FAB's modular XH018 and XH035 CMOS process technologies, these new diodes provide the highest quantum efficiency available from a silicon foundry.
轻松集成到X -FAB的模块化XH018和XH035CMOS工艺技术实现的设计，这些新二极管提供最高量子效率可以从晶圆代工。
Societies are looking for ways to make quantum leaps in the speed and efficiency of learning.
各类社会组织正在寻求提升学习速度和学习效率的突破方法。
The light use efficiency was higher in the morning and apparent quantum yield owing the photosynthetic feedback inhibition, contrasting to that in the afternoon.
这主要表现在上午的表观初始量子效率比下午大。光合产物对光合作用的反馈抑制会造成这种量子效率的差异性。
The light use efficiency was higher in the morning and apparent quantum yield owing the photosynthetic feedback inhibition, contrasting to that in the afternoon.
这主要表现在上午的表观初始量子效率比下午大。光合产物对光合作用的反馈抑制会造成这种量子效率的差异性。
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