reaction intermediate

A Study of Reaction Mechanism in Intermediate Energy Proton-Nucleus Collisions

中高能质子与核碰撞反应机制的研究

This paper also suggests that isomerization through the process of addition& elimination reaction of intermediate of carbocation.

并利用紫外吸收光谱研究了异构化反应的机理，提出异构化是经过碳正离子中间体的加成&消除反应过程。

Proline is believed to catalyse the aldol reaction through a hydrogen-bonded intermediate.

人们普遍认为，脯氨酸通过形成单氢键相连接的中介物来催化醛醇缩合反应。

The intermediate diffusion problems at a micro disk electrode for any degree electrochemical reaction are reconsidered.

研究微盘电极上中等扫速下,准可逆电化学反应的伏安行为.

We optimized reaction in second-level unit of time in order to find the meeting point of residence time and the form and the entrance to the next step reaction of the intermediate avoiding the side-reactions of intermediate such as rearrangement.

在秒级的时间单位下对反应进行优化，以寻求有机锂吡啶中间体形成并进入下一步反应与微反应器保留时间的契合点，避免中间体的重排引发的诸多副反应。

The Intermediate of Crosslinking Reaction between Wood and Polycarboxylic Acid: Ftir Spectra Characteristic of Cyclic Anhydrides Reaction Intermediate

多元羧酸与木材的交联反应机理&五元环酸酐反应中间体的FTIR波谱特征

The calculated results show that the aza Wittig reaction is a two step reaction, having one four membered ring intermediate on its reaction surface.

计算结果表明该反应是一个二步反应，在反应途径上存在一个四元环中间体。

The intermediates 3, nitro compounds, were reduced into corresponding intermediate amido compounds 4 by Pd/ C catalysis-hydrogenation. The target compounds 5 ware obtained by the reaction phenylisothiocyanate with the intermediate amido compounds 4, which do not have been separated.

利用Pd/C催化加氢的方法，将中间体硝基化合物3还原成相应的中间体氨基化合物4，制得的中间体氨基化合物，无需进一步纯化即可直接与异硫氰酸苯酯反应，得到目标产物5。

Based on the data we got, we believed that there should be a third resonant structure of the reaction intermediate hydroxyethyl thiamine pyrophosphate ( HEThDP) besides the reported enamine resonant structure and C2-a-alkenyl carbanion resonant structure, which might be named enol resonant structure.

根据我们得到的数据，我们认为其重要的反应中间体羟乙基硫胺素焦磷酸（HEThDP）除文献报道的烯铵结构和C2α-碳负离子结构之外，还存在第三种共振结构，即烯醇式结构。

Medicine intermediate N-ethylethylenediamine ( NEED ) was synthesized from acrylamide and ethylamine by addition reaction and Hofmann rearrangement.

以丙烯酰胺为起始原料,经乙胺加成后,再经Hofmann重排两步反应后合成了药物中间体N - 乙基乙二胺 ( NEED ).

The Types of Oxidation-reduction Reaction and Rules for Intermediate Valence Conditions

氧化还原反应的类型和中间价态规则

The enamine is a type of important reaction intermediate, it has an extensive application in organically synthesize.

烯胺是一类重要的反应中间体，其在有机合成中有着广泛的应用。

Heavy ion reaction at intermediate energies

中能重离子反应

The sodium monofluorophosphate is prepared by the reaction of the intermediate and sodium fluoride at high temperature, in which the intermediate is formed by the reaction of phosphoric acid and sodium carbonate.

利用磷酸与碳酸钠反应生成中间产物，将此中间产物与氟化钠混合后在高温下反应生成单氟磷酸钠。

Ethyl, 3-ethyl-1-methyl-5-pyrazolecarboxylate synthesized by means of Knorr Reaction is an important intermediate of tebufenpyrad.

甲基-3-乙基-5-吡唑酸乙酯是杀螨剂吡螨胺的重要中间体。

Singlet deuteron intermediate state in D-D four-body breakup reaction(ⅱ)

d-d四体破裂反应的单态氘中间过程（Ⅱ）

Study of Reaction Mechanism of Intermediate Energy Protons Bombarding Heavy Nuclei

中能质子在重核上的反应机制研究

Experimental results indicated that trichloroethylene in water was oxidized efficiently by ozone, and in the process of the reaction, intermediate products were formed but not accumulated.

实验结果表明，臭氧能有效地去除水中三氯乙烯；在氧化过程中，没有中间产物累积；

This will allow a maximum yield of the reaction intermediate which is the desired product.

这样可以得到最高产率的反应中间物,即目的产物.

Fragment Mass Distribution of Proton-induced Spallation Reaction with Intermediate Energy

中能质子引起散裂反应的碎片质量分布研究

Excitation Function Measurement of Total Reaction Cross Section at Intermediate Energy for Light Exotic Nuclei

中能轻奇异核反应总截面的激发函数测量

The yield measurement of the near-target products from the reaction of the intermediate energy ￣( 12) c ions with ￣( 209) bi thick targets

中能~（12）C离子同厚铋靶反应近靶产物的产额测定

The main difficultes in these researches are that there are no general accelerator beam-loss models and special calculating codes besides of lacking of nuclear reaction data in intermediate and high energy range.

对于该问题的研究，除了缺乏中高能的核反应数据外，主要的难题是没有通用的加速器柬流损失模型和专用的计算程序。