光源

The illumination can urge the human body cell 5 times of speeds to grow,when the cytochrome in the cytogenous gland is started by the lamp-house,promotes glucose transformate to ATP,the cell metabolism energy rise, thus stimulates the collogen hyperplasia,the different lamp-house can have the different influence to the skin.

光照能促使人体细胞5倍速生长，当细胞粒腺体内的细胞色素被光源启动，促进葡萄糖转化为ATP，细胞的新陈代谢能量上升，从而刺激胶原蛋白的增生，不同的光源会对皮肤产生不同的影响。

LED is a new pattern light sourse in lighting domanial., It's a pivotal technology project has won support from the government, because of It's High efficiency, energy saving, environmental protection,which has been listed as the National "11th Five-year Plan" major area of Science and technology Research.

项目介绍(简介，技术特点，应用范围，市场前景，效益分析及对投资者要求。500字以内) LED光源是普通照明领域的第三代新型光源，是国家支持的高效，环保，节能的关键技术类项目，已经被列为国家&十一五&重大科技攻关领域之一。

Another electroluminescent and has the type of light source such as light source.

另有场致发光和蓄光源等光源种类。

LED light source is characterized by long service life which can be 80,000 to 100,000 hours, over five times that of traditional light source, and low energy consumption. With an over 90% electrooptic power, it can save over 80% energy when compared to traditional lighting.

LED光源使用寿命长：可达到8万~10万小时，是传统光源寿命的5倍以上；低耗能：电光功率达90%以上，比传统照明效率节能80%以上。

The intensity modulation method is the oldest and simplest method for fiber-optic sensor, in which a homochromatic laser is used as system light source.

强度法是干涉型传感器采用的最古老、最简单的方法，它采用单色激光光源作为系统的光源。

The article research the relative project about visibility, it discussed the principle, it introduced the new measuring method opposite the foreword scattering visibility meter and design the transmit and incept devices of foreword scattering visibility for keystone, it is advanced the characteristics of the light source which is should be possess , it show the advantage of the LED used to the light source and selected PIN LED which matching with it, the article is discussed the optics system and design the reasonable object lens structure, measuring and controlling system and the relative design idea ,design method and the accuracy analyzing etc.

本文研究了能见度测量仪器的有关问题，系统地论述了能见度测量仪器的理论，然后以前向散射式能见度仪为研究对象，论述一种新的测量方法，提出了理想光源应具备的特点，说明了采用LED 发光二极管做光源的优越性，并选择了合适的PIN 光电二极管与之匹配，对光学系统作了全面讨论，设计出合理的物镜结构、机械结构、并详细论述了与之有关的设计思想、设计方法和精度分析等问题。

The interferent system, based on quasi-monochromatic light interference, measures polarized mode using broadband light ("white light") as light source.

本系统以准单色光干涉为理论基础，应用宽带光源作为光源进行干涉测量。

The metameric index between metal ceramic restorations of different kinds were 1.09 under illuminant A,and 0.40 under CWF.

金沉积金属烤瓷全冠之间同色异谱指数在A光源下为2.03和2.46，在CWF光源下2.84和2.89？

1On the basis of pattern recognition analysis and in the light of the spectrum oflight source and the spectral response of CCD sensor as well as the spectral reflectance ofkernels,it is found that for the monochromic image recognition system and under the con-dition of reducing the probability error of classification to minimum,the optimum lightsource is a monochromatic light,the wave length of which is that rendering the series re-sponse of the difference between the spectral reflectances of two classes of kernels and theCCD sensor spetral response maximum.

在模式识别理论分析基础上，依据光源光谱、CCD摄像元件光谱响应以及作物籽粒表面反射率光谱特性，在使分类错误概率最小的目标下，得出籽粒黑白图象识别系统最佳光源为单色光，其波长为使两类待识别籽粒反射率光谱差值与CCD光谱响应二者的串联响应最大的波长。

The author has accomplished the following tasks:1. presented the general scheme of the profile measuring system;2. presented four methods of laser collimation, realized 3 of them with the software of ZEMAX, and meted the requirement of the system design;3. realized the laser beam expanding from point-laser to line-laser wide enough to cover the flange trackside;4. after image grabbing and processing, picked up the profile of the train wheel.

作者独立完成的工作包括： 1、提出了曲面测量的光学系统的整体方案； 2、提出了四种激光扩束的方案，用光学设计软件ZEMAX完成了其中三种的设计；经过像差分析和追迹，达到了准直扩束的要求； 3、点光源到线光源的单方向扩展，达到了覆盖轮缘踏面的要求； 4、通过实验采集图像和图像处理，提取出被测轮缘的轮廓。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。