查询词典 vis.

The catalytic effects of Cu2+ and Ce3+ were also studied. Finally, the amount of hydroxyl radicals produced by CGDE were measured by decolour UV-vis spectrometer.

当操作电压是480 V及电流约65-80 mA时，考察了不同反应时间、不同Fe2+浓度、以及Cu2+、Ce3+对甲基橙辉光放电电解效果的影响；最后对用接触辉光放电技术处理有机废水的机理进行了进一步探讨。

The origins of practical shooting were developed and the motto - DVC - Diligentia, Vis, Celeritas was introduced to reflect this balanced objective.

实用射击的起源被开发了并且座右铭- DVC - Diligentia，力， Celeritas 被介绍反射这个平衡的宗旨。

B. Three novel dimeric dissymmetric chiral ligands and six chain binuclear Salen complexes were synthesized and characterized by FT-IR,〓HNMR, Elemental analyses, UV-vis, furthermore the CD spectra properties of the ligands and complexes were discussed in detail for the first time.

合成了三个未见报道的链式双Salen配体和六个链式双核Salen金属配合物，通过核磁共振波谱、元素分析、红外光谱、紫外-可见光谱进行了表征，并首次详讨论了手性配体及配合物的圆二色光谱性质。

The main metabolites in each reactor were detected by UV/VIS, infrared and high performance liquid chromatography and mass spectrometry. Probably, the mother dye molecule facultatively hydrolyzed to produce 1-NH2-2-hydroxy anthraquinon, OH-substituted anthraquinon and 3,4-dihydroxy-benzonic acid.

对各反应器中主要的代谢产物分别进行紫外-可见、红外和高效液相色-质联谱仪检测分析后发现，母体染料经兼氧水解首先生成1-氨基-2-羟基蒽醌以及还原态的—OH基取代蒽醌隐色体，进一步水解生成3，4-二羟基苯甲酸。

In the fluorene based conjugated polymer blends, photophysical properties of six blend systems were studied through UV-Vis absorption and photoluminescence spectra.

在以fluorene为主电子施体/受体共轭高分子混掺之实验研究部分，我们将经由紫外光及可见光光谱和萤光光谱的量测来探讨六组混掺系统中的光物理性质。

Hexaazatriphenylene derivatives were designed and synthesized by introducing methoxyphenyl or fluorenyl peripheral aryl substituents,and the effect of these aromatic substituents on their optical properties and bandgap were characterized by means of UV-Vis absorption spectroscopy,fluorescence spectroscopy and electrochemical cyclic voltammogram.

结果发现，芴和甲氧基苯芳香基团的引入使三亚吡嗪化合物的接收电子能力显著提高，LUMO能级从化合物1a的-3.50 eV降低到化合物1b的-3.68 eV和化合物1c的-3.66 eV，并伴随着吸收光谱和荧光光谱的显著红移，最大吸收和发射峰从化合物1a的413和432 nm红移到化合物1b的460和543 nm以及化合物1c的479和552 nm。

From the UV-vis absorption spectra data, we can obtained: a Intruduce a 3-sulfopropyl into thiacyanine makes λ〓 red shift 1nm; b For the anionic thiacyanines, the substituent at the 5-position of the benzene ring has influence on λ〓· Acroding to the sequence F, Cl, CH〓, OCH〓, 4, 5-benzo,λ〓 red shift. Strong electron-withdrawing group CF〓 makes λ〓 hypsochromic shift 1nm.

选取三个系列的15个染料在乳剂中作增感实验，并用摄谱仪测定了乳剂的感色峰，结果表明：吸电子取代基不利于增感，给电子取代基有利于增感；噻菁染料的加入扩大了乳剂的感色范围，弥补了卤化银乳剂在465～505nm范围内感光度的不足。

In this article, 1'-(2-hydroxyethyl)-3', 3'-dimethyl-6-nitriospiro (2H-1-benzopyran-2, 2'-indoline) was synthesized, and its absorption change by irradiation UV-vis as well as fluorescence spectral change was investigated.

本文合成了1'-羟乙基－3'，3'-二甲基吲哚啉－6-硝基螺吡喃，研究了该化合物在紫外－可见光交替照射下紫外吸收强度的变化，并测试了光照前后化合物的荧光光谱。

Since many phenylvinyl ketone derivatives showed a certain anti- inflammatory activity, the indolyl group is introduced to this skeleton, and thus a series of 1, 4-penten-3-one derivatives characteristic of the structures of both phenylvinyl ketone and indole have been synthesized and characterized by elemental analyses, MS, UV-vis, and 〓 NMR as well. All these compounds are found to be trans-isomers.

考虑到苯乙烯酮类化合物的抗炎活性，本文将吲哚基团引入到该类化合物上，设计合成了一系列新的兼具苯乙烯酮和吲哚二者结构特征的1，4-戊二烯-3-酮衍生物Al-A24，并对其进行了表征，发现所有这些化合物均为反式构型。

The experimental results suggest that the interaction of the INQ with the CT-DNA belongs to the intercalative mode.

电化学及UV-Vis吸收光谱的结果表明，INQ与CT-DNA的相互作用以嵌入堆积方式为主。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷