紫外辐射

In this system we developed, according to spectrum of arc light and the relationship between arc, welding current and radiation, corresponding filter system is applied to filter ultraviolet radiation and part of visible light from arc light.

在系统中，鉴于弧光的光谱信息及其与焊接电流及电弧区国辐射之间的关系，采用了相应的滤光系统将强烈的紫外及部分可见光滤除，并将余留的光作为光源，通过CCD摄像机拍摄到了较稳定的近缝区图像。

The modeling method of ultraviolet scattering characteristics for space satellites was studied according to background radiation environment.

根据目标所处的背景辐射环境，对空间卫星的紫外散射特性进行建模方法研究。

Spectrum of daylight lamp contained much ultraviolet radiation.

日光灯频闪大，稳定性差，紫外区的辐射非常明显。

CeO2 is a cheap and of use wide material, it is used in optical materials. polishing agents. ultraviolet absorption materials. the cleaning catalyst of car waste gases. chemical decolorant of glass. radiation-resisting glass. permanent magnet. electronic ceramics etc. After it becomes nanoparticle, it will show some new properties and applications. For example, CeO2 nanocrystal is a better promoter of Cytochrome C and the stabilizer of Zr02 ceramics.

CeO_2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学脱色剂、耐辐射玻璃、永磁体、电子陶瓷等，纳米化后将出现一些新的性质及应用，如CeO_2纳米晶是细胞色素C的良好的促进剂，还用于ZrO_2陶瓷的稳定剂。

CeO22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of cars waste gases, chemical decolorant of glass, radiation-resisting glass permanent magnet, electronic ceramics etc. If it is processed into nanoparticles, it will exhibit some novel properties led to varied applications.

CeO_2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学退色剂、耐辐射玻璃、永磁体、电子陶瓷等，其纳米化后将出现一些新的性质及应用，如ceOZ纳米晶是细胞色素C的良好的催进剂，还用作zro：陶瓷的稳定剂，由于ceo：折射率高，稳定性好，常用于制备减反射膜等。

As the temperature rises, the emission band has an obviously red shift, which is proportional to temperature.

同时，在近紫外区还有一个较宽的辐射带，随着温度升高，该辐射峰发生了明显的红移现象，其中心波长随温度线性变化。

At different time point after exposure to ionizing radiation or ultraviolet of cells, apoptosis was detected by Hoechst 33342 staining and DNA fragmentation analysis, live cells were numerated by Tanpan Blue staining.

笔者首次研究了LRP16基因表达被抑制的MCF7和HeLa肿瘤细胞系对电离辐射及紫外照射的敏感性变化，发现抑制LRP16基因表达增加了肿瘤细胞的辐射敏感性。1材料和方法1.1LRP16基因表达被稳定抑制的细胞系建立采用内源性LRP16基因表达被稳定抑制的MCF7和HeLa细胞，其中M pl374及H pl374细胞抑制率为90%，M pl668

Firstly we prepared Carbon dopped nanocrystalline ZnO, in the sample only ultravioled photoluminescence was observed.

首次制备了C掺杂的纳米晶ZnO，并且只观测到了弱的紫外发光，说明C在ZnO表面作为无辐射复合中心，使ZnO表面的载流子无辐射复合掉。

At the mean time higher dose increased its endure tolerance. 2. Extracting DNA from small sized insect proved that the size of the green peach aphid's genome DNA is about 21 kb.

此结果从分子水平证明处理F2代桃蚜的DNA发生了变异，揭示出紫外诱导可遗传的变异，且变异大小是由辐射时间和辐射强度共同决定。

Airglow and aurora are important optical phenomena. Their radiation, especially ultraviolet radiation contains fundamental chemical and physical information about upper atmosphere and ionosphere.

气辉和极光是高层大气中的重要发光现象，其辐射特性、特别是紫外波段的辐射特性，是高层大气和电离层物理化学过程信息的重要来源。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。