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Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.

研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。

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P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.

甲醚为原料,经过氯甲化,氰化反应后,通过精馏获得对甲氧腈,总收率为34.8%。

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Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.

共馏是对由不易混合的两种化合物组成的混合物进行的蒸馏

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The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.

详细讨论了二氯甲精馏塔系统的工程设计与生产过程。

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The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...

对青叶烷加酸再精馏或长期贮存,可以提高产品质量。

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Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.

本品为科植物树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥发油。

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Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.

摘要节能型醇脱水制备无水醇的方法主要有4种:共沸精馏法、萃取精馏法、吸附法和膜分离法。

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By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.

同时,对所拟溶样条件下所得硼的分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼

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The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.

通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精馏过程的影响,为工业应用提供理论与实践础。

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To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.

采用水蒸汽蒸馏提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品的理化性质及薄层色谱的比较,确定水蒸汽蒸馏提取法为最佳工艺,并确定最佳流程。

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With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.

以碳五分离装置为例,对热偶精馏塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。

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史蒂芬‧金谈写作

All the arts depend upon telepathy to some degree, but I believe that writing offers the purest distillation.

一切艺术一定程度上都要仰仗心灵感应,但我相信写作是最纯粹一种

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双语版 TED-Ed 演讲精选

That changed with the invention of a process called distillation.

蒸馏发明改变了这一切

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Scishow 精选系列

But distillation isn't all it takes to make perfume.

但是蒸馏并不是制造香水全部。

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怪奇物语 第一季

During fractional distillation, hydrocarbons are separated according to their......- Melting point.

分馏过程中烃类是以什么分离开?- 熔点。

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深度游(LSOO)

But here's the problem: if you already have the perfect distillation of an idea, where do you go from here?

如果你已经有了一个完美想法,接下来你该怎么做?

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科学大揭秘

In the process of fractional distillation, diesel is extracted first, followed by gasoline as the crude is refined further.

在分馏过程中,柴油首先被提取,然后汽油随着原油一步精炼而被提取。

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英语演讲大全

I think the United States is really a distillation of the spirit of human exploration.

我觉得美国真是人类探索精神升华

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Scishow 精选系列

Distillation, a chemical procedure used to separate liquids that have two different boiling points, uses a device called a still.

蒸馏是一种用于分离具有两种不同沸点化学过程,使用是一种叫做蒸馏器装置。

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得到头条

So - called distillation is equivalent to compression.

所谓蒸馏相当于压缩。

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BBC Ideas

Distillation goes back to the ninth century when Arabian alchemists developed the alembic still.

蒸馏可以追溯到九纪,当时阿拉伯炼金术士发明了蒸馏器。

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经济学人 Culture

" A succinct yet comprehensive distillation of The Economist's long-standing philosophy of language, " said MultiLingual.

MultiLingual 表示:“这是对《经济学人》长期存在语言哲学简洁而全面提炼。”

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Art Theory Tutorials

Remember, there's a reason it's called a distillation study and not just a two-value study.

请记住,它被称为蒸馏研究而不仅仅是二值研究是有原因

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新编英语教程5

Distillation suggests essence, and we might further improve the sentence by adding this word at the beginning.

提炼暗示本质,我们可以通过在开头添加这个词来一步改句子。

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枪炮细菌与钢铁

As for postmedieval petroleum distillation, 19th-century chemists found the middle distillate fraction useful as fuel for oil lamps.

至于中纪后石油蒸馏19 化学家发现中间馏分可用作油灯燃料。

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Art Theory Tutorials

Well, you need to keep the integrity of your initial distillation intact.

那么,您需要保持初始蒸馏完整性。

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《沙丘》有声书

She thought of the boy's features as an exquisite distillation out of random patterns—endless queues of happenstance meeting at this nexus.

她认为这个男孩特征是从随机模式中精妙地提炼出来——在这个联系处偶然相遇无尽队列。

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Art Theory Tutorials

Technically, in case you are wondering, the entire distillation method of painting is just an aspect of stroke economy.

从技术上讲, 如果你想知道话,整个绘画蒸馏方法只是笔画经济一个方面。

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Reel知识卷轴

This is a tribute, a distillation of what is utterly amazing about this magical, shared language, what keeps us alive, and what we live for.

这是对这种神奇、共享语言致敬和升华,是它让我们得以生存,让我们为之而活。

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Crash Course 神话学篇

Take Odin and his sons Tyr and Balder; they epitomize their father's bravery and wisdom respectively and Thor is a distillation of Odin's military and reproductive power.

以奥丁和他儿子提尔与巴尔德为例;他们分别现了父亲勇敢和智慧,而雷神托尔则是奥丁军事和生育力量

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经济学人(汇总)

At the moment, most of the world's pure oxygen is made by the liquefaction and subsequent distillation of air, to separate it into its components.

目前,上大部分纯氧都是通过空气化和之后蒸馏得到,并将其分解成各种成分。

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