Recent advances in azo-dye-degrading bacteria and azo reductase were reviewed.
综述了目前降解偶氮染料的细菌以及偶氮还原酶的研究进展。
This result may explain the index change induced by trans-cis isomerization in most of azo-dye-doped liquid crystal films.
此结果适用于多数偶氮类染料，很好地解释了光致顺-反异构引起的折射率变化。
Heterocyclic azo dyes are one group of the most important chromogenic reagents in spectrophotometric analysis.
杂环偶氮试剂是一类重要的有机显色剂。
These former papers show that nitroaromatics and azo dyes are strong electron attracting, which make them difficult to be biodegraded in aerobic conditions.
回顾了硝基芳香化合物和偶氮化合物在厌氧条件下的生物脱毒、转化和矿化作用的研究成果。
Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 2 : detection of the use of certain azo colorants accessible by extracting the fibres.
纺织品。偶氮染色剂衍生的特定芳香胺的测定方法。第2部分：通过萃取纤维取得的偶氮染色剂使用的检测。
Because of the photoisomerization of azo dyes, this system shows many unique characteristics, which could not be explained by existing theories.
由于偶氮染料光致异构现象，这种体系体现出很多独特的性质，且用现有理论无法进行解释。
Moreover, some azo dyestuff wastewater also bears chromium compounds.
同时，一些偶氮染料废水中也存在铬离子。
Influences of substituents on the orientation of the azo chromophores were discussed in detail.
讨论了不同的端基对偶氮生色团在自组装膜中初始取向的影响。
In this paper, the development of using bi azo chromotropic acids as chromogenic reagents in re determination was reviewed, especially the new reagents introduced after 1990.
介绍1990年以来变色酸双偶氮显色剂在稀土分析中应用的进展，着重介绍了新出现的显色剂。
The tautomeric equilibrium between the azo type and the hydrazone type of these compounds in different solvents and different acidity has also been studied.
对它们在不同溶剂。 不同酸碱度溶液中的偶氮式及腙式间互变异构平衡进行了研究。
By irradiation of UV light, the surface activities of azo derivatives were significantly changed.
在U V光照射下，偶氮衍生物的表面活性有重大改变。
Some technologies to treat azo dye wastewater are introduced in this paper, especially the characters and application of genetic engineering technology and bioaugmentation.
本文综述了处理偶氮染料废水的多种方法，详细介绍了基因工程技术和生物强化方法的特点及其在废水处理中的应用。
Must pass azo, cadmium, PCP, chlororganic carrier, disperse dies, nickel free for metal details.
必须通过偶氮，（苯）酚类，有机氯试剂，分散燃料，镉。
The way to establish the database of prohibited aromatic amine was discussed, which was used to reduce the test time, improve the test veracity and avoid problem during test of prohibited azo dyes.
探讨如何建立禁用芳香胺数据库，通过使用数据库减少禁用偶氮染料的检测时间，提高检测的准确度，避免检测过程中假阳性问题。
This paper investigates an optical reorientation process of azo dye doped liquid crystals and explains the dependence of the enhancement factor on the incident light direction.
研究了发生在偶氮染料掺杂液晶中的光诱导重新取向问题，并解释增强因子与光入射方向存在依赖关系的物理机制。
Recent research progresses on photofading of azo dyes at home and abroad was introduced, and the photofading mechanisms at azo bond were reviewed.
本文介绍了近年来国内外对于偶氮染料光致褪色的研究进展，综述了偶氮染料光褪色与偶氮键断裂机理。
Orientation of azobenzene units in self assembled multilayer films of two side chain azo polyelectrolytes was investigated by using polarized UV Vis absorption spectroscopy.
用偏振紫外光谱研究了两种侧链偶氮聚电解质静电逐层自组装膜中偶氮生色团的初始取向。
If dyeing wastewater, especially azo dye wastewater is let, it will seriously do harm to local aquatic environment.
染料废水，特别是偶氮染料废水，如果直接排放会对当地水环境造成不可估量的损失。
Cyclodextrins were also found to retard the fading, because of the azo groups of the dye are surrounded with it.
环糊精抑制褪色，是由于其包接作用使染料的偶氮基团被保护起来；
In this paper, the synthesis of several azo compounds from diazotized 5 - aminobenzimidazolone and several phenols are studied.
报道了几种由5-氨基苯并咪唑酮为原料与酚偶联形成的偶氮化合物的合成。
An acid yellow was synthesized by diazo and azo, and characterized by elementary analysis, IR and 1h-nmr.
酸性黄是经过重氮化和偶合反应合成的一种偶氮染料，对它进行了IR、1h - NMR和元素分析的表征。
Naphthol AS-BI is an important pigment intermediate, which is used to synthesize a new kind of high quality azo dyes.
色酚as -BI是一种颜料中间体，以它为原料合成的偶氮颜料是一类性能优良的新型颜料。
We should take into account that azo polymers are multidimensional and are asymmetric in their spatial distribution.
而应考虑偶氮生色团的多维特性和在方向分布上的不均匀性。
The polarographic behaviour of an azo compound produced by the reaction of Methy amine phosphorus (MAP) with 8 hydroxyquinoline (Oxin), in the ammonia medium has been studied.
研究甲胺磷(map)的水解等反应的生成物亚硝酸与8羟基喹啉合成的偶氮化合物的极谱行为。
Meanwhile, a thin-layer chromatography for detecting those prohibited azo dyes in textiles is presented.
同时介绍了用薄层色谱分析法检测纺织品中禁用偶氮染料的方法。
The data of the time resolved fluorescent spectra and fluorescent life time of an organic optical disk named the azo dye doped thin film are given.
实际测量了一种有机光盘存储记录材料偶氮染料掺杂薄膜的时间分辨荧光光谱和荧光寿命。
The cleavage of the azo bond is the limited step of the mineralization processes because of the low oxidation-reduction potentials and complex structure.
由于染料分子较低的氧化还原电位，复杂的结构和空间阻碍使得还原断键反应成为偶氮染料整个矿化过程的限速步骤。
All of the electro-reductions of azo groups are irreversible one-step and four-electron reductions.
偶氮基在酸性介质中的还原均为不可逆四电子一步全还原。
Sodium citrate was used as a complex catalyst for the titanium trichloride to reduce insoluble azo dyes and pigments in acetonitrile-alcohol-water system.
本文提出了在乙腈- 乙醇-水混合溶剂中以柠檬酸钠作络合剂， 三氯化钛还原非水溶性偶氮染料和颜料。
Sodium citrate was used as a complex catalyst for the titanium trichloride to reduce insoluble azo dyes and pigments in acetonitrile-alcohol-water system.
本文提出了在乙腈- 乙醇-水混合溶剂中以柠檬酸钠作络合剂， 三氯化钛还原非水溶性偶氮染料和颜料。
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