solvent 雅思GRE专八

Gasoline is a solvent liquid which removes grease spots .

汽油是一种能去掉油污的有溶解的液体。

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

比较不同溶对西贝素的提取效率的影响。

A bankrupt firm is not solvent.

宣告破产的商行是不能清债务的。

A bankrupt company is not solvent.

一个破产的公司是有还债务的能的。

Objective To establish a method for determining four residual organic solvents in carbidopa.

目的建立卡比多巴原料药中有机溶残留量的测定方法。

The reaction mechanism of purifying WPA by ethylalcohol as organic solvent is sought.

探讨以乙醇为有机溶净化湿法磷酸过程中的反应机理。

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

本文论述了利用混合溶——结晶法提纯除虫脲的分析技术。

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

介绍以甲醇为溶,利用微波能来合成异硫氰酸烯丙酯的新方法。

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溶残留。

Laughter has the solvent power.

笑具有一种缓和。

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用精制的橡胶工业用溶油(精制溶油)作通用溶，要求其芳烃含量小于0.1%。

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

摘 要： 药品布洛芬生产新工艺中采用精制的橡胶工业用溶油(精制溶油)作通用溶，要求其芳烃含量小于0.1%。

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

质量摩尔浓度 -痣的数目溶质除以公斤的溶。

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酯型无溶浸渍绝缘漆。

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

而通常这个过程，有些工艺会使用二氯甲烷（用作萃取）或乙酸乙酯（用作溶）等。

Diphenylbenzidine was synthesized by diphenylamine using glacial acetic acid and water as solvent in acidic condition.

以二苯胺为原料,水和冰醋酸为溶,在酸性条件下一步合成二苯基联苯二胺,该方法具有操作简单,原料易得等优点。

The purification methods of miraculin were reviewed including dialysis, solvent extraction and chromatography in this paper.

神秘果素是一种能使酸味变甜的碱性糖蛋白。

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

以乙腈为分散,采用沉淀聚合法合成了反乌头酸分子印迹聚合物微球。

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

给出了溶法和非溶法两种合成双(三氯甲基)碳酸酯的方法。

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

以氯化二乙基铝（DECA）和叠氮化钠为原料合成二乙基叠氮铝（DEAA）时，反应介质的溶性质不同，产物及其收率也不同。