Therefore, a level of 70 per cent of initial light level could be considered a threshold of useful life for general lighting.
因此，初始亮度的70%可以被当做普通照明有用时间的一个门槛。
You turn the door knob, step over the door threshold and find this beautiful room that just feels like a soft glowing light.
你转动门把手，跨过门槛进入门内，发现这个漂亮的房间感觉起来有些像是用柔和辉光构建的。
So, for example, we were talking about a threshold frequency as in a minimum frequency of light that you need in order to eject an electron from a metal surface.
举个例子来说，我们谈论的临界频率是，光从金属表面逐出一个电子，所需的最小频率。
Some bioluminescent bacteria, for example, light up when their population exceeds a threshold size (Journal of Bacteriology, vol 104, p 313).
例如有些生物发光菌当他们的数量超过某个界限值就会发光。
A secretive exterior that, after crossing the threshold, leads to an atmosphere of light, contrasts and transparencies.
跨过门槛，会看到建筑的神秘外观，引导着光影、对比且通透的氛围。
She stood on the threshold, between the steely starlight with out and yellow candle-light with in.
她站在门坎上，门外是冷冰冰的青灰色的星光，屋里是黄惨惨的烛光。
The result showed that EDTA with high concentration has evident effect on light scatter of KDP crystal but not laser damage threshold and homogeneity.
结果表明，高浓度EDTA对KDP晶体光散射有明显的影响，但对光学均匀性和光损伤阈值无明显影响。
In this paper, the relationship of SBS threshold characteristic with linewidth of light source and modulation types was talked about, and was approved by experiments.
文中主要讨论了SBS的阈值特性与光源静态线宽及光源调制类型的关系，并通过实验进行了验证。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性，如弛豫频率，谱线宽度，阈值电流，模式跳变及输出光功率是否稳定等。
A glazed entrance pavilion provides a light and airy threshold with clear views on to a line of trees and a 19th century lodge, now offices.
入口玻璃厅提供光线和通风口，能清楚看到一排树木和19世纪小屋。
In addition, the relationship between the EPPCL 's output and input intensities of light possesses a threshold switching characteristic.
此外，EPPCL的输入与输出光强之间的关系具有阈值开关特性。
In the paper, the threshold, light output, mode, modulation, polarization, far field characteristics and thermal resistance effects are analyzed and generalized.
本文分析总结了垂直腔面发射激光器的阈值特性、光输出特性、模式特性、调制特性、偏振特性、远场特性以及热阻效应。
This paper deals with the threshold condition of double resonance parametric oscillation when the absorption coefficient of the signal light is different from that of the idling light.
在信号光和闲置光吸收系数不同的情况下对双谐振参量振荡阈值条件进行了分析。
The material, method and results of the research on the injury threshold of rabbits' cornea caused by GW CO2 laser light are introduced in this paper.
本文介绍连续CO_2激光对青紫蓝灰兔角膜损伤阈值研究的材料、方法和结果。
To analyze the effective jamming distance of combined fiber laser to visible light silicon CCD, the power of combined laser and saturation threshold of visible light silicon CCD are discussed.
为了分析光纤组束激光对可见光硅CCD的有效干扰距离，对组束激光功率及可见光CCD的饱和阈值进行了分析。
Quantum dot optic microcavity device had potential application in field of quantum information technology using as the low threshold laser and single photon light source etc.
量子点光学微腔器件在低阈值激光器和单光子光源等量子信息处理技术领域有重要的应用前景。
Light induced reaction of RGCs is characterized with high threshold and long latency and duration, which are consistent with circadian photoentrainment. Melanops…
光诱导的视网膜节细胞反应阈值高、潜伏期和持续时间长，与日节律光协同化相符。
I have improved the algorithm of a fast adaptive dynamic threshold algorithm which was used by the former version. So it can solve light region problem and can avoid losing information.
根据系统采集的图象特点，改进了以前提出的一种快速自适应动态阈值分割算法，使之既能很好解决亮区问题又能不丢失信息。
By use of rate equations, we have analyzed the effect ot laser wavelength radiation in pump light source on excited state population accumulation of laser medium and laser threshold.
本文用速率方程分析了泵浦光源中激光波长辐射对激光介质激发态粒子数积累和激光器阀值的影响情况。
Single threshold method, which is used as segmentation algorithm commonly, isn't influenced by the homogeneity of light a lot, but can't segment the fruit entirely.
常用的分割算法多采用单一阈值，受光照不均影响较大，不能很好地将果实完整分割。
The threshold values of pump pow rs under the conditions of CW and pulse pump light sources are calculated. The optimal pump light frequencies are pointed ou…
分析了用连续泵浦光和脉冲泵浦光两种情况下的阈值关系，指出了泵浦光的最佳频率选择。
The minus filter works under the irradiation of major light, so the materials must have low absorption and high anti-energy threshold.
考虑到滤光片工作在强光辐照条件下，所以选用的材料必须具有低的吸收和高的抗能量阈值。
The minus filter works under the irradiation of major light, so the materials must have low absorption and high anti-energy threshold.
考虑到滤光片工作在强光辐照条件下，所以选用的材料必须具有低的吸收和高的抗能量阈值。
应用推荐