查询词典 solvent

Do not use any type of abrasive pad, scouring powder or solvent such as alcohol or benzine.

切勿使用任何类型的沙布，抛光粉或如酒精，汽油等溶剂进行清洁。

In this paper,the application of methanol,gasoline and raw benzine solvent blended fuels to EQ 6100 spark ignition engine has been studied.

本文针对EQ6100发动机使用以杂笨为助溶剂的甲醇汽油混合燃料进行了试验研究。

I tried water, benzine, film cleaner, glass cleaner and pretty much every other solvent I could find in the company and the only things which would dissolve the oily stuff were gasoline and ethanol.

我试了用水、油精、胶片清洁剂、玻璃清洁剂擦，基本上是公司里能找到的所有溶剂我都试过了，最后发现只有石油和酒精能溶解这种东西。

Benzoin condensation reaction of benzaldehyde using simple imidazolium based ionic liquids as catalyst has been successfully achieved. The reaction factors such as solvent, base and ionic liquids have been studied in detail.

成功地实现了简单咪唑基离子液体对苯甲醛自缩合成苯偶姻的催化反应，以及详细探讨了溶剂、碱、离子液体种类及用量等各种影响因素。

Benzoin condensation using imidazolium based ionic liquids as solvent for the first time has been successfully achieved. The reaction conditions have been studied in detail. When under 65 and with 0.5 equiv. NaOH in ionic liquid l-butyl-3-methyl-imidazolium tetraborate, benzoin was obtained in excellent yield of 91%. Recycling of ionic liquid has been available.

首次探索并成功实现了在咪唑鎓盐离子液体中进行苯偶姻缩合反应，详细探讨了反应条件，当反应在65℃下和0.5当量NaOH存在下以及在离子液体4-丁基-1-甲基咪唑鎓四氟硼酸盐中进行时，苯偶姻产率可达91％；并对离子液体进行了有效回收再利用。

Experimental research on benzophenone synthesis is carried out including catalyst and solvent selection, ratio and temperature control.

把清洁生产理论和多个具体的清洁生产单元技术用于重组和优化二苯甲酮生产的流程结构和过程参数。

The paper studied that flavonoid was separated from the bergamot with normal experiment using alcohol to be the solvent.

以佛手为原料，以乙醇为溶剂对佛手进行了黄酮提取的正交实验，结果表明：乙醇浓度30%，固液比1：15，在80℃条件下提取2h的工艺条件较好。

The effects of the composition of catalyst (the structure and amount of bident ligand and strong acid, the cocatalytic activity of Cu〓, the roles of methanol and phenol etc.) and the copolymerization condition (the reaction time, temperature, amount of ST and CO, the structure and amount of solvent etc.) on catalytic activity were studied. The principle of the copolymerization was investigated.

研究了催化体系组成（含氮双齿配体的结构与用量、强酸的结构与用量、铜盐的助催化作用、甲醇和酚类化合物作用等）和共聚反应条件（共聚反应的温度与时间、溶剂种类与用量、苯乙烯与一氧化碳量等）对溶液共聚反应的催化活性的影响，探索溶液聚合反应规律。

The results showed that water is the suitable solvent and whole-cell biocatalyst has stable catalytic activity using soybean oil containing 5%-20% water.

结果表明，水是适宜的反应溶剂，且含水量占大豆油质量5%~20%时，全细胞催化剂有很高的催化活性。

Using DMA as solvent and NEt〓 as base, the yield of biphenyl was up to 94% after 4h at 132℃.

当溶剂为DMA、碱为三乙胺时，碘苯在132℃反应4小时，联苯产率达94%。

I'm not an actor. I'm a professor of paleontology.

我不是演员，我是古生物学教授

Spider Network Web site that is a very image of the name.

网络蜘蛛即Web Spider，是一个非常形象的名字。