查询词典 dyes

The benezothiazolocoumarin dyes substituted with chlorine on 5'-position also showed bathochromic shift of the maximum absorption and fluorescence emission.

这9只染料用於涤纶染色有很好的应用性能，差别不大；恶唑环结构和喹唑酮结构的染料耐光牢度明显好於噻唑环结构和咪唑环结构的染料。

The benezoxazolocoumarin dyes substituted with methyl or chlorine on 5'-position showed bathochromic shift of the maximum absorption and fluorescence emission.

香豆素类荧光染料在5'-位有取代基可使最大可见吸收波长和荧光发射波长产生红移；当共轭双键长度增加，可使染料颜色变深(Ⅴ：544，Ⅵ：552)。

"In laboratory-scale studies, the data show that orange peel has a considerable potential for the removal of dyes from aqueous solutions over a wide range of concentrations," Bena ssa says.

在实验室水平的研究，这些数据展示桔子皮被认为是能除去水溶中污物的可行性材料。

"Synthetic dyes are extensively used by industries including dye houses, paper printers, textile dyers, color photography and as additives in petroleum products," explains Bena ssa Houcine of the Laboratory of Sorbent Materials and Water Treatment, Department of Chemistry-Faculty of Sciences, at University of Tlemcen, in Algeria.

工业领域广泛使用合成染料包括刷房子，印刷，纺织品的着色，彩色摄影，和某些食品的添加剂，阿尔及利亚，Tlemcen大学化学系，原材料和水处理办公室Bena ssa Houcine解释说：这些工业排出物被高度着色，在外界这些污水的处理是及其有毒的，这些污水在河流中出现是不能接受的，它们必须集中处理使其浓度低于1PPM

Benzidine is a major compositions of amine dyes. In 1895, the association between dye exposure and bladder cancer has been reported.

中文摘要联苯胺是一种染料的主成份物质，有关染料暴露与膀胱癌间具有相关性的报告早在1895年即被提出，随后动物实验也证实联苯胺的确能诱发膀胱癌。

The ultraviolet-visible absorption spectra, optical constants (complex refractive index N=n+ik) of the thin films and thermal characterizations of three kinds of novel nickel-azo dyes based on 4-methylthiazole, benzothiazole and 6-methylbenzothiazole were investigated.

分别对三种以 4 甲基噻唑、苯并噻唑和 6 甲基苯并噻唑作为重氮组份，以 3 二乙氨基苯酚作为偶合组份的偶氮染料的镍螯合物的光谱、热学性质和薄膜的光学常数(复折射率N =n+ik)及光存储性能进行了研究。

The ultraviolet-visible absorption spectra, optical constants (complex refractive index N=n+ik) of the thin films and thermal characterizations of three kinds of novel nickel-azo dyes based on 4-methylthiazole, benzothiazole and 6-methylbenzothiazole were investigated.

分别对三种以4-甲基噻唑、苯并噻唑和6-甲基苯并噻唑作为重氮组份，以3-二乙氨基苯酚作为偶合组份的偶氮染料的镍螯合物的光谱、热学性质和薄膜的光学常数及光存储性能进行了研究。

The results show that the dyes were anchored onto the TiO2 surface by bidentate or bridging mode.

研究中发现染料分子的键结型式均是以双牙配位或者以桥接配位形式键结。

Purposes:3-methoxy - Butanoic alcohol used for high boiling point solvents, used nitro - cellulose paint, epoxy coatings, brake oil viscosity regulator, printing ink solvents, cutting oils and dyes, pigments, pesticides, etc will secure vinyl chloride solvent.

用途：3-甲氧基丁醇用作高沸点溶剂，用于硝基纤维素漆、环氧树脂涂料、刹车油粘度调节剂、印刷油墨溶剂，切削油以及染料、颜料、农药、氯乙烯稳妥定剂等溶剂。

With additional consumption of tert - butylamine in medicine, pesticides, dyes and other sectors of the volume, which is expected to increase in 2007. tert - butylamine domestic demand will reach 100 million tons.

加上叔丁胺在医药、农药、染料等行业中的应用量，预计到2007年，国内叔丁胺的需求量将达到1万吨左右。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。