反应的

In order to avoid such defects,a new process for the preparation of dicarboxylic acids has been studied.In this experiment,the effects of solvent, ozonolysis temperature, catalyst, oxidation decomposition temperature etc.

实验中考察了溶剂、臭氧化温度、催化剂、氧化分解温度、反应时间等因素对反应的影响，确定了最佳工艺条件，为工业化生产提供了可供参考的工艺参数。

In this paper,the reaction conditions of enzymic hydrolysis by endogenous protease in the prawn head were studied.

本文研究了温度、固液比、时间、pH值等因素对近缘新对虾虾头内源蛋白酶酶解反应的影响，并用二次旋转正交实验确定了反应的最佳条件。

My research project is concerned with the mechanism of reactions of coenzyme NADH models with activated ethylenic compounds. Pross-Shaik treatment is employed to analyse the results.

本论文研究了辅酶NADH模型化合物和活化烯烃氧化还原反应的机理，并运用Pross—Shaik观点分析了这些反应的机理。

This Thesis consists of the following five pacts: Following a brief Introduction on the mechanism of reactions of coenzyme NADH models with activated ethylenic compounds is discussed. Pross-Shaik treatment is employed to analyze the results.

本论文研究了：(1)辅酶NADH模型物和活化烯烃氧化还原反应的机理，并运用Pross-Shaik构型混合模型分析了这些反应的机理；(2)用辅酶NAD~+／NADH模型物催化氧化一级和二级苄醇，还原α，β-环氧酮。

The calculated result shows that three reactions belong to exothermal reactions.And the decomposition activation energy in the HF catalyst is the smallest , the decomposition of H2CO3 in the role of HF is the most easily.

计算结果表明3 个反应都是放热反应，且分解反应的活化能在HF 催化作用下最小，说明H2CO3 的分解在HF 作用下最容易进行。

As expected from the reaction mechanism, the carboxyl groups of aspartic and glutamic acid residues were not modified, while the amino group s that could react with the activated peptides were concomitantly protected by formylation.

如反应机理所预测的那样，天门冬氨酸和谷氨酸残基未被修饰，而能与活性肽反应的氨基则同时被甲酰化保护起来。

As expected from the reaction mechanism, the carboxyl groups of aspartic and glutamic acid residues were not modified, while the amino groups that could react with the activated peptides were concomitantly protected by formylation.

如反应机理所预测的那样，天门冬氨酸和谷氨酸残基未被修饰，而能与活性肽反应的氨基则同时被甲酰化保护起来。

A heatable windshield has a pair of glass sheets laminated together about a member responsive to electrical stimuli, e.g.

一种叠层，例如可加热挡风玻璃，具有一对围绕一个对电刺激产生反应的部件而层压在一起的玻璃板，该反应例如为改变透射率或者当电流穿过所述部件时被加热。

The novel catalysts of Cu supported on ZnO, MgO modified with KF were prepared by the conventional impregnation method, and applied for the first time to the Heck reactions of iodobenzene with n-butyl acrylate as a model reaction.

KF水溶液浸渍MgO或ZnO载体为改性载体制备了负载铜催化剂，以卤苯与丙烯酸正丁酯的反应为模型，考察了对Heck反应的催化性能。

With LaCl_3·7H_2O as catalyst to replace conventional liquid inorganic acid,and the esterificationbetween isobutyric acidand n-butyl alcohol as a probe reaction,the optimum conditions were investigated and various isobutyrate s were synthesized over it in this paper.

7H2O替代传统液体无机酸为催化剂，以合成异丁酸正丁酯为探针反应考察催化酯化反应的优化条件，并在此条件下合成了多种异丁酸酯，比较了不同催化剂对催化合成异丁酸正丁酯的影响。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！