需要显著降低反应活化能的催化剂。
Catalysts that lower markedly the activation energy of the reactions are required.
研究得到了铁铝的扩散系数和化合反应活化能。
The diffusion coefficients of iron and aluminum and the activation energies of their combination reactions were obtained.
测定了反应级数和反应活化能，建立了反应动力学方程。
The reaction order and reaction activation energy are determined and the reaction kinetics equation is set up.
测定了反应级数和反应活化能，建立了反应动力学方程。
The reaction order and the reaction activation energy are determined and the reaction kinetic equation is set up.
在该反应体系中质子迁移过程反应活化能不高，也是能发生的。
In the reaction system, the activation energy of the proton transfer process is not very high, and it can also happen.
本文建立了一种新的表观反应活化能计算方法——等转化率法。
Equal-transition ratio method is applied for the calculation of apparent activation energy (E) from the heat of hydration.
结果表明，钾离子的存在改变了晶体的长大速率，但并没有显著改变种分反应活化能。
The results show that the existing of potassium ions in sodium aluminate solutions cannot markedly affect the activation energy of crystal growth but can change the crystal growth rate.
随着氧浓度增加，污泥两阶段反应活化能和频率因子及平均表观活化能均呈上升趋势。
Activation energy, frequency factor and average activation energy of sludge in two combustion stages increased when oxygen concentration increased.
结果表明，酸性和碱性催化剂由于活性中心的存在，加快了反应速度和降低了反应活化能。
The results indicate that acid and alkali catalysts can increase the tar cracking reaction speed and reduce the activation energy due to the activated center.
同时还研究了胜利渣油的中间相转化动力学，并求得了反应级数、反应速度常数和反应活化能。
The kinetics of mesophase transformation of Shengli residue oil was discussed and the reaction order, reaction rate constant and apparent activation energy were calculated.
结果表明，NH2自由基与臭氧反应有两条反应通道，其中一条反应活化能很小，反应极易发生。
The results show that there are two different pathways for the reaction of NH2 radicals with ozone. One of them has very low activation energy, so it happens easily.
用DSC、TBA和固化仪等手段测定了凝胶化时间和表观反应活化能，计算了反应动力学参数。
The time to gelation and the apparent activation energy for the reaction were determined by DSC, TBA and the cure test. The kinetic parameters were obtained.
微波照射活性炭后，其孔隙结构和表面官能团发生明显变化，同时存在诱导催化，可降低反应活化能。
The pore structure and surface functional group of activated carbon are significantly changed by microwave radiation. The activation energy is reduced as a result of induced catalysis.
论文的第二章详细阐述了中药材秦皮中的药效成分秦皮甲素的水解反应速率常数和反应活化能的研究。
In chapter 2, the hydrolysis rate constant and activation energy of main active ingredient in Cortex Fraxini aesculin was studied.
并对反应速率常数和有效扩散系数、表观反应活化能和有效扩散活化能及反应过程中各步骤阻力进行了分析。
Reaction rate constant, effective diffusivity, apparent activation energy, effective diffusion activation energy and resistance in various steps of the reaction process were analyzed in this paper.
结果表明，经过阻燃处理的木材其氧指数和剩碳率比未处理的木材升高，而热降解反应活化能和分解温度降低。
Experimental data showed that for the treated wood there was an increase in char yield and LOI, and decreases in activation energy and temperature of decomposition.
与AH-90相比AH-70沥青具有较高的反应活化能，反应速度常数较小，具有较低的老化速率和较好的抗老化性能。
Paving asphalt of AH-70 has higher reaction active energy, less reaction velocity constant, lower aging velocity and better aging resistance performance than that of paving asphalt of AH-90.
AP比表面积的增大会导致推进剂初始分解温度、高低温热分解峰温和高低温下分解反应活化能的降低，但分解反应速度常数随AP比表面积的增大而增大。
The increase of AP specific surface area lead to decrease of initial decomposition temperature, decomposition peak temperature and decomposition activation energy, but reaction rate constant rise.
这就是反应发生之前的活化能。
是活化能，Ea, is, what, is, an, activation, energy。，记住，活化能的含义是，如果你有反应物和产物，你必须越过一个势垒。
Ea Remember, the idea is that you've got reactants and products, and there's some barrier you've got to get over.
计算了初始阶段的反应速度常数和表观活化能；
The values of apparent activation energy and reaction rate constant were calculated.
干燥无灰基固定碳含量增加，着火活化能增加，反应速率减小。
With the carbon content of dry ash-free basis increasing, ignition activation energy increases and reaction rate falls.
计算了各步反应的活化能，探讨了闭环反应的机理。
This paper calculated the activation energy of each step reaction and discussed the mechanism of reactions.
根据三种材料作用机理的不同，研究探讨催化剂活性中心对热解气中焦油裂解率、催化裂解气体成分及反应速度(活化能)的影响。
The mechanism of the activated center of the catalysts on the tar removal efficiency, the gas component after tar cracking and the reaction speed or activation energy were studied.
一般来讲，最危险的放热反应系统是具有低活化能且反应热很大的系统。
Generally speaking, the most dangerous exothermic reaction system is such that has low activation energy and high frequency factor.
这对于求反应速率常数和估计反应的活化能都具有重要意义。
This is very significant to both determining the rate constant and estimating the activation energy.
利用阿伦尼乌斯公式分析了磁铁矿原料辊磨前后球团氧化反应的活化能。
The activation energy of magnetite materials of pellet which were pretreated with and without high pressure grinding is studied using Arrhennius Law in this paper.
利用阿伦尼乌斯公式分析了磁铁矿原料辊磨前后球团氧化反应的活化能。
The activation energy of magnetite materials of pellet which were pretreated with and without high pressure grinding is studied using Arrhennius Law in this paper.
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