查询词典 benzoic

Benzoic acid production were successfully solved by the development of this process and considerable economic and social benefit were gained.

该工艺的开发，成功地解决了石家庄化纤有限责任公司苯甲酸生产存在的质量与扩容问题，取得了很大的经济效益和社会效益。

In a preferred embodiment, the concentration of a benzoic acid compound is further controlled to a specific level or lower.

在优选的实施方式中，进一步控制苯甲酸化合物的浓度至特定水平或更低。

Research suggests that benzoic acid can inhibit the growth of lung cancer, colon cancer, and some forms of leukemia.

研究表明，苯甲酸能抑制肺癌，结肠癌，一些类型的白血病。

A new method for the determination of benzoic acid and caffenine in drinks was developed by using high performance liquid chromatography .

本文提出高效液相色谱法同时测定饮料中苯甲酸和咖啡因的新方法。

Under the effect of acid and high temperature ,some substance can be transformed into benzoic acid.

且随着温度的升高和酸加入量的增多，苯甲酸检出量呈上升趋势，达到一定浓度后渐趋稳定。

Containing or derived from benzoic acid or benzoin.

含有或从苯甲酸、安息香胶中提取。

We provide intermediates of Methylphenidate HCl: 2-Phenyl-2-(2-Piperidyl) Acetamide; 2-Phenyl-2-(2-Piperidyl) Acetic Acid; Series of Benzoic Acid、Benzonitrile; Other pharmaceutical intermediates.

提供盐酸利他林中间体：2-苯基-2-(2-哌啶基)乙酰胺；2-苯基-2-(2-哌啶基)乙酸；苯甲酸、苯甲腈系列及其他医药中间体。

Benzyl benzoate was synthesized using benzoic acid paste residua and benzyl chloride as raw material at the presence of TEA.

以反应代替分离，将膏状的苯甲酸釜残液碱化后和氯化苄反应，采用相转移催化技术合成苯甲酸苄酯来加以应用。

After enriched by flash, benzoic acid-containing fraction was obtained below 210 ℃ and benzyl benzoate -fluorenone-containing fraction was between 220 and 260 ℃,then these fractions were separated by vacuum distillation respectively.

废料通过闪蒸，在210℃以下得到了富集苯甲酸馏分，在220—260℃之间得到了富集苯甲酸苄酯和芴酮馏分；之后对各馏分进行高真空减压精馏，得到了苯甲酸、苯甲酸苄酯和芴酮等产品，纯度分别可达95%，91%和92%。

The starting material substituted cyclohexyl benzoic acid was prepared from substituted phenyl ethanones by bromoform reactions...

起始原料取代的环己基苯甲酸由取代的苯乙酮经溴仿反应得到。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。