solvent 雅思GREGMAT专八

The article presents Synthesizing Allyl isorhodanate by using microwave energy withmethylic alcohol as solvent.

介绍以甲醇为剂,利微波能来合成异硫氰酸烯丙新方法。

Gasoline is a solvent liquid which removes grease spots .

汽油是一种能去掉油污有解力液体。

To develop headspace gas chromatography for the determination of residual solvent in Amodiaquine Hydrochloride.

建立顶空气相色谱法分析盐酸阿莫地喹中剂残留。

The method was established for purification of diflubenzuron by crystal technique with mixed solvents.

本文论述了利混合剂——结晶法提纯除虫脲分析技术。

Most other processes use chemical solvents, like Methylene Chloride or Ethyl Acetate to decaffeinate coffee beans.

而通常这个过程，有些工艺会使二氯甲烷（作萃取剂）或酸（作剂）等。

Molality - The number of moles of solute divided by the number of kilograms of solvent.

质量摩尔浓度 -痣数目质除以公斤剂。

A bankrupt firm is not solvent.

宣告破产商行是不能偿清债务。

A bankrupt company is not solvent.

一个破产公司是没有偿还债务能力。

Preparation of microencapsulated osmium tetraoxide from GPPS was reported,and effect of solvent,temperature and dispersant was analyzed.

采通聚苯烯(GPPS)制备了四氧化锇微胶囊。

One new solvent free impregnating resin based on unsaturated polyester with modified diphenylene ether is prepared.

以改性二苯醚树脂为原料，合成了一种新颖不饱和聚型无剂浸渍绝缘漆。

Chloroform being solvent,under bath heat,4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.

氯仿作剂,在浴温条件下,4羟甲基笼状双环磷酸分别与戊酰氯、己酰氯发生酰化反应。

The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.

以氯化二基铝（DECA）和叠氮化钠为原料合成二基叠氮铝（DEAA）时，反应介质剂性质不同，产物及其收率也不同。

The synthesis methods of double (three chlorine methyl) carbonate by using solvent and nonsolvent method are introduced.

给出了剂法和非剂法两种合成双(三氯甲基)碳酸方法。

Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as dispersion solvent.

以腈为分散剂,采沉淀聚合法合成了反乌头酸分子印迹聚合物微球。

Objective: To compare the extraction efficiency of imperialine extracted with different solvents.

比较不同剂对西贝素提取效率影响。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机剂，化学腐蚀性介质各种旋转泵，阀门填料密封。

The refined solvent oil with less than 0.1%aromatics wa s used in medicine Brufen production as conventional solvent.

药品布洛芬生产新工艺中采精制橡胶工业剂油(精制剂油)作通剂，要求其芳烃含量小于0.1%。

Using electrode interface capacitance and surface coverage to investigate the formation kinetics of NS monolayer in hexahydrobenzene solvent.

通过自组装修饰金电极界面微分充电电容和膜覆盖率考察了NS在环己烷中自组装膜成膜动力学。

So some renovations should be made,for example,increasing the solvent ratio of propane deasphalting;using hydrofinishing instead of clay treating;mo...

增加丙烷脱沥青剂比,加氢补充精制代替白土精制等,此外,在含硫原油生产基础油时,对原油也应适当选择。

The results show that underlayer oxhide,coloring agent and diluent solvent are the important effects of producing transfer-film leather.

研究了移膜革硫化成型效果影响因素,结果表明,在移膜革生产中,所选二层皮、着色剂及稀释剂是其主要影响因素。