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

是对由不易混合的两种化合物组成的混合物进行的蒸

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

醚为原料,经过基化,氰化反应后,通过获得对氧基乙腈,总收率为34.8%。

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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.

本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸获得的挥发油。

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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.

摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸法、萃取法、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过程的影响,为工业应用提供理论与实践基础。

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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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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的一种。

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双语版 TED-Ed 演讲

That changed with the invention of a process called distillation.

而蒸馏的发明改变了这一切。

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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的?- 熔点。

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Scishow 系列

During distillation, a solution of multiple liquids is heated until it starts to boil.

在蒸馏过程中,混合多种液体的溶液被加热直到开始沸

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Scishow 系列

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

但是蒸馏并不是制造香水的全部。

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Scishow 系列

Distillation is one of the most basic chemistry techniques, and it is still used a lot.

蒸馏是最基本的化学技术一,至今仍被大量使用。

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Scishow 系列

Records of her life are also the first historical references to the process of distillation.

她的生平记录也是对蒸馏过程的第一次历

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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,然后汽油随着原油的进一步炼而被提取。

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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.

我觉得美国真的是人类探索神的升华。

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BBC Ideas

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

蒸馏可以追溯到九世纪,当时阿拉伯炼金术士发明了蒸馏器。

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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的。

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Scishow 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的液体的化学过程,使用的是一种叫做蒸馏器的装置。

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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进一步改进句子。

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Scishow 系列

The liquid is collected, and the distillation step can be repeated as necessary to purify whatever it is you're trying to purify.

然后收集液体,必要时可以重复蒸馏步骤来净化你想净化的任何东西。

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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的完整性。

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Art Theory Tutorials

But anyway, now that I have those lines, I can start my distillation painting.

但无论如何,既然我有了这些线条,我就可以开始我的蒸馏绘画了​​。

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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.

她认为这个男孩的特征是从随机模式中妙地提炼出来的——在这个联系处偶然相遇的无尽队列。

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Art Theory Tutorials

So if you want to practice painting, start with your distillations and don't skip that step.

因此,如果您想练习绘画,请从蒸馏开始,不要跳过这一步。

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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.

这是对这种神奇的、共享的语言的致敬和升华,是它让我们得以生存,让我们为而活。

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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,世界上大部分的纯氧都是通过空气的液化和后的蒸馏得到的,并将其分解成各种成分。

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