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The reaction process in methanol solvent can be deduced from the computational results with CPCM solvent model and the supermolecular handling, namely the reaction involves four steps in the methanol solvent. The nucleophilic addition of trimethylamine to acraldehyde generates an enolate. Nucleophilic attack of the enolate on the aldehyde forms the carbon-carbon bond, followed by the proton-transfer process and the further elimination generating the product and liberating the trimethylamine catalyst.

对于CH3OH对反应体系的影响，可以综合考虑CPCM溶剂模型及超分子模型下的研究结果，即CH3OH溶剂中反应按四步进行，催化剂三甲胺首先与丙烯醛发生亲核加成，生成的两性离子中间体与甲醛发生类似于Aldol的醛醇缩合，形成碳-碳键，之后发生分子内质子转移，最后经E1cb消除得到产物，并释放催化剂三甲胺。

Like the many forms of Eastern martial arts, Russian martial arts started with one "ideal" and evolved into many different styles of that form across Russia, each one geared towards that locale's specific needs.

像许多形式的东部武术，俄罗斯的武术与一开始的"理想"，并演变成许多不同风格的形成俄罗斯全国各地，每一个面向指出，地区的具体需要。

Other tumours which produce ACTH, such as certain forms of cancer of the lung.

其他肿瘤产生的促肾上腺皮质激素，如某种形式的癌症肺癌。

Therefore the film forms under the actinism dives the shade, after darkroom processing, will demonstrate the object the structure image.

因而胶片在射线作用下形成潜影，经暗室处理后，就会显示出物体的结构图象。

The Hetian jade's mineral constituent by the tremolite -- actinolite primarily, and including mineral substance and so on serpentine, graphite, magnet, forms the white, the blue-green, the black yellow and so on different luster.

和田玉的矿物组成以透闪石——阳起石为主，并含蛇纹石、石墨、磁铁等矿物质，形成白色、青绿色、黑色黄色等不同色泽。

So we must find the orbital characteristics of these normal forms under the action of some equivalent group.

为此必须寻找这些标准形在等价群作用下的轨道特征。

Cola has certain effect on spermatozoa activeness and its forms of male mice.

可乐对小鼠精子活性和形态有一定的影响。

There's a lot I want to say about Captain Ozone and his experimental forms of environmental activism.

有很多我想说的臭氧对船长和他的实验形式的环保活动。

There'sa lot I want to say about Captain Ozone and his experimental forms of environmental activism.

有很多我想说的臭氧对船长和他的实验形式的环保活动。

What this article discuss is this kind of new adaption forms in the traditional novel art characteristic verse frame.

文章要探讨的就是这种新的适应于章回小说艺术特点的韵文框架是如何形成的。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。