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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剂残留。

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

介绍以甲醇为溶剂,利用微波能来合成异硫氰酸烯丙酯的新方法。

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The free radical polymerization of VOZO in benzene solution results poly 2 vinyl 2 oxazoline(PVOZO).

对合成过程中的溶剂及分离等问了讨论。

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

本文论述了利用混合溶剂——结晶法提纯除虫脲的分析技术。

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The preparation of anisaldehyde by ozonolysis reaction from anethole was studied.

以茴香脑为原料,乙酸和环己烷的混合物做溶剂,臭氧化法制备茴香醛。

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In this field it provides high tinctorial strength and relatively good lightfastness.

因有限之耐热性及耐溶剂性,影响到此产品之较广泛用。

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Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.

本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯,其方法是溶剂萃取。

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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剂

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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剂缘漆。

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

而通常这个过程,有些工艺会用二氯甲烷(用作萃取剂)或乙酸乙酯(用作溶剂)等。

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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,反应介质的溶剂性质不同,产物及其收率也不同。

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Sodium thioantimoniate is used to make quinsulfide antimony and to clean the solution during zinc electrolytic deposition.

硫代锑酸钠主要用于制备五硫化锑以及在电解锌过程中清理溶剂以析出金属锌。

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

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

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

给出了溶剂法和非溶剂法两种合成双(三氯甲基)碳酸酯的方法。

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The carbonization of exrtacting constituents of preheated Shenfu noncoking and Liulin dominant coking coal has been studied.

对预热神木不粘煤及柳林主焦煤中不同溶剂抽提组分的碳化特性分别了比较研究。

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

比较不同溶剂对西贝素的提取效率的影响。

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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剂油(精制溶剂油)作通用溶剂,要求其芳烃含量小于0.1%。

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

适用酸(除发烟硫酸外)碱,,氨,蒸气,油品,有机溶剂,化学腐蚀性介质的各种旋转泵,阀门的填料密封。

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In contrast with different extraction methods, the alkannin could be extracted quickly and effectively by the ultrasonic wave.

研究了超声波法和有机溶剂法提取天然紫草色素的工艺条件,超声波法可明显提高色素的提取速率。

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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的影响因素,结果表明,在移膜革生产中,所选用的二层皮、着色剂及稀释溶剂是其主要的影响因素。

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A century after this modification, art conservators analyzed and removed the overpainting with select solvents.

在此修改一个世纪后,艺术保护人员分析并使用精选溶剂去除了覆盖。

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Then, they decided which solvents could dissolve the overpainting while minimally affecting the original.

然后,他哪种溶剂可以在最小程度上影响原作的同时溶解覆盖物。

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So, a homeopathic remedy for insomnia might include an extremely diluted solution of caffeine.

所以,治疗失眠的顺势疗法可以是高度稀释的咖啡因溶剂

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The solvent is the liquid that carries all of the other ingredients inside the marker.

溶剂是马克笔内携带所有其他成分的液体。

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VOA常速英语_科技

The dye is in the organic solvent and the polymer is in the water .

染料放在有机溶剂中,聚合物放在水中。

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超能陆战队(有声书)

Wasabi grabbed a bottle and sprayed its contents into the air.

芥末无疆抓起一只瓶子,向空中喷洒了一些瓶子里的溶剂

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Osmosis-泌尿

In general, when certain solutes become too concentrated in the solvent, they become supersaturated.

一般来说,当溶质在溶剂中过于浓缩时,过饱和。

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独霸 第一期

But it is a solvent, and kills the bacteria before they can make very much.

但异丁醇是一种溶剂,生产过程中制备它的细菌,从而减少产量。

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VOA慢速英语_科技

This part of the process would involve putting the plastic material into a highly acidic solution.

这一部分过程包括将塑料放入强酸性溶剂中。

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Some glues use water as a solvent, but others use chemicals that can be harmful to inhale.

有些胶水用水来当溶剂,其它则用吸入有害的化学试剂来当溶剂

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十万个为什么

Today, most paints are made using three main ingredients — a pigment, a resin, and a solvent.

如今,大多数颜料都是使用三种主要成分制成的:色素、树脂和溶剂

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科学60秒-科学美国人 2023年6月合集

It fully dissolves oxygen from the air, and any solvent or any ion can be dissolved fully.

它能完全溶解空气中的氧气,任何溶剂或任何离子都能被完全溶解。

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经济学人-科技

As the stream of dissolved polymer travels through the air, the solvent evaporates, leaving behind a solid thread.

当溶解的聚合物在空气中流动时,溶剂蒸发,留下一个固体线。

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超能陆战队(有声书)

Hiro nodded, noticing that Wasabi carefully placed his spray bottle back into a particular circle on the table.

小宏点点头,注意到芥末无疆小心翼翼地将喷洒溶剂的瓶子放回到桌子上特的圈里。

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Osmosis-泌尿

Now, urine's a combination of water, which acts as a solvent, and all sorts of particles, or solutes.

尿液由水和各种颗粒组成,水是溶剂,颗粒为溶质。

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The strong smell of many glues comes from the solvent, which evaporates when exposed to air.

许多胶水强烈的气味来自于它的溶剂,当暴露于空气中时发生挥发。

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TED-Ed(视频版)

In order for these ingredients to comingle and react with each other, they need a liquid solvent: water.

为了使这些成分相互反应,他需要一种液体溶剂:水。

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The perfumers of ancient Babylon, however, combined multiple scents into one perfume and used solvents to create the final product.

然而,古代巴比伦的香水师将多种香味组合成一种香水,并使用溶剂制成最终产品。

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In order for these ingredients to commingle and react with each other, they need a liquid solvent: water.

为了使这些成分相互混合和反应,它需要一种液体溶剂:水。

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TED演讲(视频版) 2017年2月合集

If you use other kinds of microbes, they will eat petroleum spirits and crude oil.

如果你使用其他种类的微生物,它吃石油溶剂油和原油。

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