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The reaction of disproportionation of gum rosin catalyzed by AH non-noble metal catalyst was studied, and the effects of reaction temperature, reaction time, particle size of catalyst, and stir speed were investigated.

用AH型非贵金属催化剂催化松香歧化反应，考察了搅拌速率、催化剂粒度、反应温度、反应时间对反应的影响，建立了动力学方程。

Thus if we control the reaction temperature at somesolvent we can obtain the products either by the reaction of phosphoryl-stabilizedcarbonanion with N-tosyl imines or by the reaction of methoxycarbonyl-stabilizedcarbanion with N-tosyl imines.

在一定溶剂中，如果控制反应的温度可以控制得到由膦酰基稳定的碳负离子和亚胺反应或由甲氧羰基稳定的碳负离子和亚胺反应。

From the potential energy profile, it can be predicted that, the dominant channel of this reaction consists of three steps: the two reactants first form a three-membered ring intermediate (INT1) through a barrier-free exothermic reaction of 19.2 kJ/mol; three-membered ring intermediate (INT1) isomerizes to a four-membered ring silylene(P2) via the transition state (TS2) with an energy barrier of 22.8 kJ/mol; four-membered ring silylene(P2) further reacts with ethene(R2) to form a silicic bis-heterocyclic compound (P3), which is also a barrier-free exothermic reaction of 132.2 kJ/mol.

用CCSD//MP2/6-31G*方法研究了单重态二甲基亚烷基硅烯与乙烯生成硅杂双环化合物环加成反应的机理，根据该反应的势能面可以预言，该反应的主反应通道有三步组成：第一步是两反应物（R1， R2）首先生成了一三元环中间体（INT1），它是一无势垒的放热反应，放出的能量为19.2 kJ/mol；第二步是三元环中间体(INT1)经过渡态TS2异构化为了四元环硅烯（P2），其势垒为22.8 kJ/mol；第三步是四元环硅烯（P2）进一步与乙烯(R2)反应生成了硅杂双环化合物（P3），该反应也是一无势垒的放热反应，放出的能量为132.2 kJ/mol。

Research on thermodynamics and kinetics of pyrolysis reaction mechanism Kinetic and thermodynaimic research of the pyrolysis reaction mechanism of toluene was conducted at different temperature range 298-1223K. The result shows that the pyrolysis reaction firstly occurs at the methyl on the benzene ring, and produces benzyl.

裂解机理的热力学与动力学研究在298K-1223K的温度范围内对甲苯热解机理的热力学和动力学研究结果表明，热解首先发生在苯环甲基C-H键上并生成卞基自由基，主要产物为联二甲苯，反应的活化能ΔE〓=402.27kJ/mol。

A type of modified methyl benzene sulfonic acid sodium salt was synthesized by Friedel-Crafts reaction,knoevenagel reaction and sulfonation reaction with methyl benzol as row material.

以甲基苯为初始反应物，通过付-克反应，knoevenagel反应，磺化反应，最后合成一种改性甲基苯磺酸钠。

CPT of each type of visual reaction was calculated by subtracting the sum of the visual impulse duration and the motor impulse duration from reaction time (CPT = reaction time-[P100 latency + total motor conduction time]).

计算时间反应每一类型的CPT时需从反应时间中扣除视觉冲动过程和运动冲动过程的和。

CPT of each type of isual reaction was calculated by subtracting the sum of the isual impulse duration and the motor impulse duration from reaction time (CPT = reaction time-[P100 latency + total motor conduction time]).

计算时间反应每一类型的CPT时需从反应时间中扣除视觉冲动过程和运动冲动过程的和。

The experimental results showed that the molecular weight and its distribution is restrained by the reaction mass's ratio, reaction temperature, and the different addition of reaction promoter, molecular weight regulator and additive, the correspinding product's scale inhibitive perfomance of Water Stabiliser is different.

结果表明：单体配比、反应温度、引发剂、分子量调节剂和添加剂的不同用量对分子量及其分布都有制约作用，相应的水质稳定剂产品的阻垢性能也不同

The effect of the amount of solvent was not distinct. In the molybdenum blue- di-n-octyltin oxide system, besides the effect of the amount of catalyst, oxidant, phase transfer, solvent and the reaction time, the effect of reaction temperature on the synthetic reaction of styrene oxide was researched.

在钼蓝-氧化三丁锡体催化系中，除研究了溶剂用量、催化剂用量、氧化剂用量、相转移剂用量以及反应时间对氧化苯乙烯收率的影响外，还研究了反应温度对催化氧化苯乙烯反应的影响。

Factors affecting this reaction such as reaction temperature, reaction solvent and ratio of reactants are discussed in this paper.

对该反应过程中，反应温度、反应溶剂、反应原料的不同配比等因素的影响，进行了探讨。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。