查询词典 dyes

When the solution changed from acidic to basic, the chem. shifts of b-15N atom shifted from 366-380 ppm to ~500 ppm, corresponding to an equilibrium shift from hydrazone form to azo anion structure of the dyes.

当样品溶液从酸性转成碱性，β-氮-15原子的化学位移从366-380PPM移到500PPM，相应于从腺型到偶氮阴离子结构。

After improvment, the application of this technique can be extended to the field of fast microorganism detection, the detection of dyes in textile industry, the identification of wood textures and the color incrimination of colors in package engineering.

将本技术进一步改进推广，可应用于微生物的快速检测，纺织业染料的检测，瓷砖的花纹检测，木材加工的纹理辨别以及包装工程的颜色辨别等各个与颜色有关的领域。

The preferred dyeing process was confirmed by analyzing and comparing the K/S value of dyed cotton yarn with indigoid dyes.

通过分析比较靛蓝染料染色后棉纱线的K/S值大小，确定较佳的牛仔布靛蓝染浸染色工艺。

All these dyes allowed detection for anions such as F~- and AcO~- in CH_3CN, which is likely to be related to the enhancement of intramolecular charge transfer induced by instance deprotonation of compounds.

在加入碱性较大的阴离子后，化合物1-4的乙腈溶液的紫外可见吸收光谱均发生了明显的红移，表明1-4是一类较好的阴离子化学传感器。

The build up property is dependent on the aggregation of dyes and diffusion of dye particles from fiber surface to the interior of substrates.

认为染料分子的聚集程度和由纤维表面向纤维内部的扩散速度是染料提升力的决定因素。

The dimethyl sulfate, a substance that is used to produce industrial dyes and pesticides, can be corrosive and irritative to human skin, eyes and the upper respiratory tract.

硫酸二甲酯是用来生产燃料和农药的物质。它对于人类的皮肤，眼睛和上呼吸道系统具有腐蚀和刺激作用。

With some skill and creativity, sheets of paper can become works of art using dyes and Japanese fibers such as Kozo.

一旦基本造纸了解，可以使许多美丽的文件，使用植物材料和花卉除了一些技巧和创造力，张纸。

Two novel"black"dyes KRu〓(ttp-COOH= 4'-p-COOH-phenyl-2, 2', 6', 2-tpy) and trans-Ru (4, 4'-dcbpy)〓〓 were synthesized, their photophysical properties in solutions and photo-electric properties adsorbed on the surface of nanocrystalline TiO〓 were studied.

研究了两个"黑色"染料trans-Ru(4，4'-dcbpy)〓〓和KRu〓(ttp-COOH＝4'-p-COOH-phenyl-2，2'，6'，2-tpy)的光物理性质及其在纳晶TiO〓薄膜电极上的光电转换性质，二者在红光区的光谱响应范围均比cis-Ru(4，4'-dcbpy)〓〓的宽，能吸收大部分的太阳光，确实在长波区增加了光谱的敏感性。

The analysis of dyes in textile is always an important topic in the study on printing,dyeing,archeology and lawcourt .

织品上染料的分析一直是印染、考古、司法鉴定等领域进行科学探讨和研究的重要课题之一。

Results show that dyeing process with direct dyestuff and weak acid dyes tuff in one bath can impart the polyamide/ cotton mixture good colorfastness and levelness,as well as lowered energy consumption and production cost.

试验表明，直接染料与弱酸性染料同浴上染的锦棉交织物，其色牢度，匀染性都有较好的效果，且降低能耗，节约成本。

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。