活化能

A and B isomers could interconvert each other by an inversion of the imine nitrogen atom. In this work, we investigated the substituent effects and solvent effects. This study used the most popular one of density functional theory method unrestricted hybrid Becke three-parameter Lee-Yang-Parr (B3LYP) with the 6-31+G basis set to compute the reaction and activation energies of B/A thermal isomerization.

腙分子的异构化过程藉由转动亚胺基上的氮原子，使腙分子由A 型结构转变成B 型结构(Scheme1)，本研究运用密度泛函数理论中最常被使用的B3LYP，搭配6-31+G基底函数，计算腙分子异构化过程的活化能以及反应热，并且考虑取代基与溶剂效应对能量所造成的影响。

Based on parameter of softening point, aging kinetics model was established to show aging condition of two asphalts and to calculate activation energies.

同时以软化点为参数建立老化动力学模型来反映两种沥青的老化情况，并计算出活化能。

It is shown that the chlorinating process for fluorine-fixed calcine agreed well with the regional reaction rate model presented by Bagdasarym. The process consisted of two tandem steps, Erofeev Equation ln[ln(1a)]=lnk+nlnt was used to deal with the equation of reaction rate,the function between rate constant and temperature was k=2.7?07e125900/RT. The a...

结果表明：固氟焙砂的氯化反应动力学过程是区域反应速率模型，氯化反应过程经过了2个串联反应步骤，用Erofeev方程ln[ln(1a)]=lnk+nlnt处理反应速率，反应速率常数与温度T的函数关系式为k=2.7107eEa/RT，表观活化能Ea为125.9 kJ/mol，过程限制环节主要是界面化学反应控制。

Compared with the conventional catalyst, the complex catalyst improved methanol anodic oxidation activity by 46 percent. The reason that it deceases the activation energy for the methanol and its ramification electro-oxidation reaction was estimated to be its special complex Keggin structure.

测试表明该添加剂降低了甲醇及其电氧化中间产物转化的活化能，改善了电极内部的质子传输状况，对甲醇的电化学氧化过程具有明显的促进作用，该复合催化剂与常规的Pt-Ru/C催化剂相比，甲醇的阳极氧化电流提高了46%。

The kinetics process and temperature impact of natural groundwater denitrified by sulfur autotrophic was investigated. The results revealed that the denitrification rate of up-flow sulfur autotrophic denitrification filter followed a half-order kinetics model; and the reaction rate constant was mainly affected by the temperature. Based on the Arrhenius calculation, the activated energy was 80.38 kJ/mol.

研究实际地下水硫自养反硝化动力学过程，考察季节因素对动力学的影响，实验结果表明，地下水升流式硫自养滤柱反硝化动力学符合1/2级动力学模型，其反应速率常数受温度的影响很大，用阿仑尼乌斯方程计算硫自养反硝化活化能为80.38 kJ/mol。

The apparent activation energies and reaction rate constants of clinker formation reaction were also got in this study by Gentling and Arrhenius equation.

此外，利用金斯特林格和阿仑尼乌斯方程得出了熟料形成反应的表观活化能和反应速率常数。

Oxidizing reaction activation energy of the passivated Al nanopowder is more than 500KJ/mol.

钝化处理纳米铝粉氧化反应的活化能大于500KJ/mol。

By studying the influences that pH and SMTP act on the cross- linking reactions of potato starch and sweet potato starch, the cross-linking reaction mechanisms of PSPE and SPSPE were proposed and the chemical reactive velocity equations were determined. The relations between cross-linking reactions and temperatures were studied, meanwhile the activation energy of chemical reactions and apparent frequency efficient of cross-linking reactions were calculated. Technical conditions of preparing PEPS and SPEPS were determined.

3研究了pH值和三偏磷酸钠浓度对马铃薯淀粉和甘薯淀粉交联反应的影响，提出了低交联马铃薯淀粉磷酸酯和甘薯淀粉磷酸酯的交联反应机理，确定了化学反应的速率方程式，研究了温度对交联反应的影响，计算了马铃薯淀粉交联反应和甘薯淀粉交联反应的活化能和表观频率因子，确定了制备低交联马铃薯淀粉磷酸酯和甘薯淀粉磷酸酯的工艺条件。

Due to the extensive decrease of active energy for decomposition of peroxides in the polymer degradation t...

这由于它们通过氧化还原作用，使聚合物降解过程中过氧化物分解活化能大幅度降低的缘故。

Production and decomposition of the peroxides were investigated. The active energy of peroxides decomposition equals to 27.2 kJ/mol.

研究了过氧化物的产生和分解，计算出过氧化物分解的活化能为27.2kJ/mol。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。