反应的

The influences of mole ratio of ethanediol and naphthenic acid,a mount of catalyst,reation time,reation temperature etc.on est erification were discussed and the suitable processing conditions were found.

介绍了用氧化亚锡非酸性催化剂催化合成环烷酸季戊四醇脂的方法，通过讨论醇酸摩尔比、催化剂用量、反应时间、反应温度等因素对该脂化反应的影响，从而确定了适宜的工艺条件。

The influences of mole ratio of ethanediol and naphthenic acid,a mount of catalyst,reation time,reation temperature etc.on est erification were discussed and the suitable processing conditions were found.

文摘：介绍了用氧化亚锡非酸性催化剂催化合成环烷酸季戊四醇脂的方法，通过讨论醇酸摩尔比、催化剂用量、反应时间、反应温度等因素对该脂化反应的影响，从而确定了适宜的工艺条件。

Besides, the effects of mixed acid on the reaction were analyzed, and the results indicated the mixed acid would react with stainless steel at the temperature higher than 118℃with a sharp exothermal, and could catalyze product decomposition, increase thermal hazards as well.

此外，本文还考察了酸对反应的影响，研究结果表明酸在118℃以上会与不锈钢发生反应，放热迅速，同时酸还会催化产物的热分解，加大了反应过程中的危险性。

In this article, weh ave utilized the ABEEM-σπ model to research this kind of reactions. Through regional softness values of both the atoms and π bonds, which are calculated by this model, we have interpreted properly the typical and particular stereoselectivity of Diels-Alder reaction. Furthermore, we also have initiatorily probed into the rationality and feasibility in terms of synthesizing heteroatomic -ring compounds using Diels-Alder reaction.

本文利用ABEEM-σπ模型对此类反应进行了研究，通过计算原子和π键区域的电荷分布和局域软度，结合局域硬软酸碱原理对Diels-Alder 反应的立体选择性给出了合理解释，而且还初步探讨了利用Diels-Alder 反应合成杂环化合物方法的合理性和可行性。

The results showed that the kinetical rule of the ion-exchange reaction was not changed, the ion-exchange process was still controlled by the grain diffusion, and the concentration of Cl~- has little effect on the apparent activation energy of reaction if the total concentration of ion in the solution kept invariableness.

结果表明，在维持溶液中离子总的当量浓度不变的条件下，离子交换反应的动力学规律不会发生改变，反应仍然是受粒扩散控制，氯离子浓度对交换反应表观活化能的影响不大。

The synthesis of isoamyl acetate with the solid super acidic catalyst of S2O827TiO2-Al203 is investigated. The kinetic parameters of reaction are measured at 94℃, 100℃ and 106℃ respectively and the kinetic equation is thus built, which are compared with those of the reaction without catalyst.

文章研究了以固体超强酸S2O82-/TiO2-Al2O3为催化剂合成乙酸异戊酯的反应，在反应温度分别为94℃、100℃及106℃下，测出合成乙酸异戊酯的动力学方程参数，建立了动力学方程式，并与无催化剂时酯化反应的活化能及动力学方程式进行了比较。

The synthesis of isoamyl acetate with the solid super acidic catalyst of S2O82-/TiO2-Al2O3 is investigated.The kinetic parameters of reaction are measured at 94℃,100℃ and 106℃ respectively and the kinetic equation is thus built,which are compared with those of the reaction without catalyst.

文章研究了以固体超强酸S2O82-/TiO2-Al2O3为催化剂合成乙酸异戊酯的反应，在反应温度分别为94℃﹑100℃及106℃下，测出合成乙酸异戊酯的动力学方程参数，建立了动力学方程式，并与无催化剂时酯化反应的活化能及动力学方程式进行了比较。

Isoamyl isovalerate was synthesized through esterification reaction by using isovaleric acid and isoamyl alcohol as raw materials and nano-H4SiW12O40/SiO2 as catalyst, the influencing factors in the reaction were studied, and the results showed that the esterification rate could reach 98.6 % under the conditions of the ratio of alcohol-acid 1.4∶1, the use level of catalyst 5 %, and the reaction time 1.5 h.

以纳米复合钨硅杂多酸为催化剂，异戊酸和异戊醇为原料，通过酯化反应合成苹果油，对酯化反应的影响因素进行了研究，结果表明，在醇酸物质的量比为1.4∶1，催化剂用量5%，反应时间1.5h的条件下，酯化率可达98.6%。

Cyclohexanone ethylene ketal was synthesized from cyclohexanone and glycol in the presence of H3PW12O40/MCM-48. The factors influencing the synthesis of molar ratio of glycol to cyclohexanone, the quantity of catalyst and the reaction time were discussed and the best conditions were found out.

报道了以分子筛MCM-48负载磷钨酸(H3PW12O40/MCM-48)为催化剂，通过环己酮和乙二醇反应合成了环己嗣乙二醇缩酮，探讨了H3PW12O40/MCM-48对缩峒反应的催化活性，较系统地研究了酗醇物质的量比，催化剂用量，反应时间诸因素对产品收率的影响。

Advances on molecule-bolt selective monochlorination and reaction-separation coupling techniques for chlorination reaction in the world were introduced, and the control technology which achieved high selectivity was showed.

结合氯化反应的工程应用，对有机氯化反应过程安全事故的形成原因进行了初步分析，并提出了反应过程安全控制的技术方法。

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！