查询词典 source of light

In the first part of this thesis, the reasons of develop LED biology light source have been discussed from the effects of non-concern homochromy light on cells, the mechanisms and non-resonance characters of photobiomodulation on cells, the biological information model of photobiomodulation of low intensity laser proposed by Professor Liu TCY.

论文的第一章，首先从非相干单色光的细胞生物效应、光生物调节作用机理、光生物调节中非共振作用的特征、以及生物信息模型等几方面，论述和确立了研制LED生物光源的理论依据。

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。

Under the excitation of 488 nm light beam of argon ion laser source, single suprahelical species could be observed with the aid of a common microscope due to the strong scattered light emitted by the suprahelical species. By capturing the RLS images of the single suprahelical species with a cooled charge coupled device camera, and analyzing the RLS data, herein an RLS imaging method of DNA was proposed based on the linear relationship between the counts of suprahelical species in the detection focus plane and the concentration of DNA in nanograms.

在488nm 氩离子激光光源的激发下，单个超螺旋聚集体的散射光可以通过普通显微镜观察到，用冷却型电荷耦合器对此单个粒子的RLS信号进行成像和分析，发现在聚焦平面上检测到的超螺旋粒子的个数与溶液中纳克级的DNA浓度成正比，基于此建立了一种测定DNA的方法。

The article gives a design of an NIR instrument with filter. The working theory of the instrument is: during wheel running a circle , ray from light source irradiates the sample after it through a certain filter of filter wheel, so ray would carry the absorption spectrum of sample . We can know components of the sample by analyzing the ray . Filter wheel is its light splitter.

本文给出了一个使用滤光片作为分光器件的近红外光谱仪的控制电路设计方案，其工作原理是：当滤光轮转动时，光源出射光经过滤光轮上的某一滤光片，再照射到样品上，经样品池出射的光携带有样品的吸收光谱信息，滤光轮转动一圈，可得到样品不同波长处的光谱信息，通过后期数据分析可得到样品的成分含量信息。

Methods Two lines of human pancreatic carcinoma cell P3 and SW1990 were studied to investigate the killing role of PDT with hematoporphyrin derivative as photosensitizer and sodium lamp as light source. The cultured cells were treated with serial concentrations of HPD followed by irradiation of different dosages of visible light, then MTT colorometric assay was applied to measure the relative inhibitory rate of PDT for the cells.

以2株人胰腺癌细胞系P3和SW1990为研究对象，采用血卟啉衍生物作为光敏剂，用高压钠灯（功率密度25 mW/cm2为光源，以系列浓度的HPD经不同剂量的光照后，用MTT法测定PDT对胰腺癌细胞的相对抑制率。

The principle of an optical microscope is quite simple; however, the resolving power of an optical microscope is limited by the wavelength of the light employed, being greater when the light source is shorter wavelength.

光学显微镜的原理相当简单；然而，它的分辨率却受到所用光的波长的限制，光源的波长越短，它的分辨率就越大。

The principle of an optical microscope is quite simple; however, the resolving power of an optical microscope is limited by the wavelength of the light employed, being greater when the light source is of shorter wavelength.

光学显微镜的工作原理很简单。但是，光学显微镜的功能受光线波长的限制。当光源的波长较短时，其功能越好。

The principle of an optical microscope is quite simple; however, the resolving power of an optical microscope is limited by the wavelength of the light employed, being greater when the light source is shorter wavelength.

显微镜的工作原理很简单，然而，一个光学显微镜的分辨率受到采光波长的限制，光源的波长越短分解率越高。

The principle of an optical microscope is quite simple; however, the resolving power of an optical microscope is limited by the wavelength of the light employed, being greater when the light source is shorter wavelength.

光学显微镜的原理相当简单，然而，它的这种放大率要受限于所用光的波长。光源波长越短，放大率越高。

The principle of an optical microscope is quite simple; however, the resolving power of an optical microscope is limited by the wavelength of the light employed, being greater when the light source is shorter wavelength.

光学显微镜的原理很简单。但它的分辨率却受到入射光的波长限制。光源波长越短，分辨率越高。

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。