查询词典 ultraviolet

The particle size and distribution were determined by transmission electron microscopy and laser particle size distribution analyzer, ultraviolet-visible absorption curve was also characterized.

通过透射电镜、激光粒度分布仪等测定了纳米颗粒的粒径和分布情况，并对纳米金溶胶的紫外可见吸收曲线进行了研究。

Result When slight conjugated linoleic acid was added, there were significant changes on the ultraviolet absorption curve of complex fatty acids within the range from 230 nm to 240 nm.

结论共轭双键对脂肪酸在230~240nm范围内的紫外吸收有显著影响，从而为共轭成分的存在提供了检测依据。

On the basis of these studies, We summarized the law of absorption band positions of VUV spectrum in host crystals. This law will help people to explore new efficient far-ultraviolet crystal and new PDP phosphors.

在大量的体系研究的基础上，我们总结了基质晶体的真空紫外光谱的吸收带位置的规律，该初步规律将有助于人们寻求优质新型深紫外晶体和新型PDP荧光粉。

This thesis finally studied on the absorptivity of ultraviolet and visible light of nanosized zinc oxide in aqueous solution.

本论文最后对纳米氧化锌的紫外-可见光吸收性能进行了研究。

The bamboo is exempted from pesticide contamination because it can produce negative ion itself and has the insect-preventive and anti-microbial functions, which can protect it from diseases and insect damage. Moreover, the bamboo fiber is produced by high technology without the addition of chemical additive, and it is characterized by various properties such as natural antibiosis, bacteriostasis, anti acarid, deodorization, anti-ultraviolet, and excellent ventilation, instant water absorptivity, strong wearing resistance, outstanding dyeing property and beautiful appearance, etc.

因为竹子自身能产生负离-和防虫抗菌作用，生长过程中因无病-虫害而免除了农药的污染；并且竹纤-在制造全过程中采用高科技手段，不-任何化学添加剂，并具有天然抗菌、-抑菌、防螨、防臭和抗紫外线作用，-有良好的透气性、瞬间吸水性、较强-耐磨性、良好的染色性、美观性等优-良的特性。

HPLC was coupled with both mass spectroscopy and ultraviolet absorption spectroscopy for simultaneous separation and characterization of the products from glow plasma reaction of chloroform.(3) Phosphorus pentachloride has been used to perchlorinate acenaphthene under moderate pressure and temperature in sealed reaction vessels.

在此基础上，以反相C〓柱为固定相，甲醇/乙醇/环己烷为流动相，采用梯度洗脱的方法，对氯仿辉光放电合成产物进行高效液相色谱-紫外光谱-质谱联用分离分析，成功的分离得到包括富勒烯C〓和全氯代碳簇在内的数十种产物，并得到了相应的质谱和光谱数据。

A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented.

利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。

The results show that mutation with the method of the ultraviolet and acridine orange can get a better result during the forementioned several ways of mutagenesis.

结果表明在几个不同的诱变方法中，经紫外线和吖啶橙联合诱变后爱德华氏菌的弱毒效果较好。

Known as acometary globule, the swept-back cloud, extending from the upper right to the head left and below center, is shaped by intense ultraviolet radiation from theOB associationof very hot stars inNGC 6231, off the left edge of the scene. That energetic ultraviolet light also powers the globule's bordering reddish glow ofhydrogen gas.

这团被归类为彗星状云球的箭型的云气，由影像的上右角落延伸到影像中左下方；而位在影像左端之外的星团NGC 6231内有个极端炽热之OB星协，它们强烈的紫外辐射除了造成这个怪异结构体外，也激发云球周围的氢气发光红色的辉光。

Compared with the conventional communication systems, the technology of ultraviolet communication based on sun-blind characteristic of ultraviolet ray has unique properties, such as includes facility, non intercept, powerful interference immunity and non line-of-sight communications, which is adept at military application.

自由空间紫外光通信技术基于紫外线日盲特性，相对无线通讯技术具有灵活、难以截获、抗干扰性强、并具备一定的非视距通讯能力等诸多特点，在军事通讯领域有着巨大的优越性。

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。