查询词典 ultraviolet

The growth of thin fluorescein films on Ag(110) has been studied by ultraviolet photoelectron spectroscopy.

首先用UPS测量了Fluorescein在衬底Ag(110)表面上不同覆盖度时的电子态特性。

Moreover,the radius of focal spot increases with the spatial phase perturbation of the high-power ultraviolet laser.

研究结果表明：当传输距离超过阈值条件时，焦斑半径随传输距离的增大而明显增大，且相位畸变越大，焦斑半径也越大。

Moreover, it can also keep the ultraviolet radiation out of rooms, which could easily penetrates ordinary thermal insulation material such as the iron sheet, the concretes, the lumber and so on. we researches and develops this product based on the combination polyethylene and aluminum foi

我集团公司研发生产的这种新型隔热材料通过铝箔材料反光、热的特性和聚乙烯材料的结合，使其不仅具有良好的绝缘、热反射、隔热、反辐射功能，而且还通过该材料的特性在房屋建筑应用上能起到很好防潮、保温、节能作用。

In this dissertation, two derivatives of aniline containing polyoxyethylene substituent m-phenylene diamino formyl alkylenediamine poly acetate and poly-3-aminobenzoate were designed and synthesized. And then, comb-shaped polyaniline grafted by PEO were prepared by chemical oxidation copolymerization. The structure of copolymers were characterized by FTIR, ultraviolet-visible spectrum, elemental analysis and TEM etc..

本文在设计并合成两种含聚氧乙烯取代基的苯胺衍生物——间苯二氨基甲酰己二氨基甲酸聚氧乙烯乙酸酯和3-聚氧化乙烯单甲醚基苯胺的基础上，采用化学氧化法将它们与苯胺进行共聚，制备出了聚氧乙烯接枝聚苯胺的梳型共聚物。

The relation between the accumulative ultraviolet irradiation time and the chromatic aberration of 2-D color barcodes is analyzed based on the CIELAB model. The detection results of four-color printed label show that the fading velocity of fuchsine is faster than cyan, yellow and black.

基于CIELAB模型分析紫外辐照累计时间与二维条形码色差的关系，对4色打印标签的检测结果表明：品红色褪变速率较大，青色、黄色和黑色的褪变速率逐次减小。

The fungoid on the culture room and inoculation room was extinguished by using two kinds of method including ultraviolet radiation and ozonizer.

对培养室和接种室采用紫外线和臭氧发生器两种灭菌方法进行灭菌比较试验，认为臭氧比紫外灯方式杀菌能力强，消毒效果好。

Objective To investigate the effects of epigallocatechin gallate and baicalin on human skin fibroblasts from ultraviolet radiation. Methods Fibroblasts were obtained and cultured from human skin.

目的：研究中药活性成分茶多酚单体没食子儿茶素没食子酸酯、黄芩苷对紫外线辐射损伤的成纤维细胞形态、增殖活性及产生IL-6、TNF-α的影响，探讨其光保护作用。

This paper introduces the principle and history of Ultraviolet Disinfection Technology and its main functions, such as broad-spectrum sterilization,Effectively killing of giardiasis and Cryptosporidium Hominis, and advanced oxidation process,which respectively solved a difficult problem in water treatment domain, namely By-products of disinfection, threat of Giardiasis and Cryptosporidium Hominis, and refractory biodegradation organic compounds pollution.

本文概述了紫外线消毒技术的原理及发展概况，详细介绍了紫外线技术在水处理领域的三大功效：即广谱杀菌，有效杀灭贾第鞭毛虫和隐孢子虫，以及高级氧化功能，这些功能分别解决了水处理领域的三大难题：消毒副产物问题，贾第鞭毛虫和隐孢子虫的抗氯性问题，以及难降解有机物污染问题。

Four types of arrays of single carbon nanotubes, with field emitter diameters of 1μm, 0.6μm, 0.4μm and 0.2μm, were fabricated, respectively, by combining conventional ultraviolet lithography and the recently-developed technique of "aperture reduction via varying glancing angle".

通过普通的紫外光刻工艺，结合"变倾角缩口"新技术，研制了不同发射单元尺寸的碳纳米管阵列阴极。扫瞄电镜分析表明，随着缩口尺寸的依次减小（从0.6μm到0.4μm，最后到0.2μm），发射单元内CNTs的根数也不断减少。

Effect of Enhanced Ultraviolet-B Radiation on Growth, Development, Pigments and Yield of Soybean Glycine max

紫外线-B 辐射增强对大豆生长、发育、色素和产量的影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐