The reaction is second-order and activation ener-gy, factor before exponent, activation entropy, reaction speed constant in different temperatures are given. 确定了此反应为二级反应;求出了不同温度下的反应速率常数、活化能、指前因子以及活化熵变;
The above reaction is called second-order reaction. 上述反应称为二级反应。
The thermal decomposition of the precursor includes two steps, the first is R3: spherical symmetry there dimensional phase inter-surface reaction with the reaction order of 3. The second is the simply second-order reaction. 碱式碳酸锌的热分解为两步反应过程,第一步为R3,即球形对称三维相界面反应;第二步为F2,即为简单二级反应。
Approximate calculation for axial diffusion model in tubular reactor accompanied by a second-order irreversible reaction 伴有二级不可逆反应管式反应器轴向扩散模型的近似计算
It has been shown that the ring-opening reaction of bisphenol A with epichlorohydrin at the presence of quaternary ammonium salt, is a second-order reaction and the followed ring-closure reaction is a first-order reaction. 结果表明,在季铵盐存在下,双酚A与环氧氯丙烷的开环反应为二级反应,而第二步的闭环反应为一级反应。
Gas Absorption with Second-Order Irreversible Chemical Reaction in Film Flow of Non-Newtonian Power-Law Fluids 伴有二级不可逆反应的非牛顿幂律流体薄膜流中化学吸收的研究
The denitrogen still happened as Ar was filled in low vacuum ( 9 300 Pa), in this case the denitrogen was second-order reaction with mass transfer rate coefficient 0.022 cm/ s. 在低真空(9300Pa)过程充Ar,仍会发生脱N行为,此时脱N为二级反应,传质速率常数为0022cm/s。
In order to obtain the rate constants, k_1 and k_2, for consecutive second-order reaction, a simulating program using C++ language is designed. 为了获得连续二级反应的速率常数k1和k2,利用C++语言设计了一个计算机模拟程序。
The reaction process with water vapor could be described using the unreacted shrinking core model. The second-order kinetics is appropriate for the chemical reaction on the surface of lithium deuteride and reaction rate constant is 0.281 kPa~ (-1)· min~ (-1). 室温下氘化锂与水汽的反应可用收缩未反应芯模型来描述,界面化学反应为二级反应,反应速率常数为0281kPa-1·min-1。
Concentration profile in Porous Catalyst for Second-order Reaction and Effectiveness Factor of the Catalyst 多孔催化剂内二级反应反应物浓度分布及催化剂效率因子
A numerical model was designed to describe kinetics for a reactant to diffuse with a second-order reaction with another reactant in a gelatin layer. 设计一个数值模型用来描述反应物在明胶层中边扩散边与另一种反应物发生二级反应的动力学过程。
Second-order steady wave forces on a two-dimensional submerged body in oblique waves chemical reaction induced by steady shock wave 斜浪中二维潜体的二阶定常力液氦的冲击压缩理论计算及其等效两体作用势的考察
Processing Involved Data in the Experiments of Determining Rate Constants for Second-order Reaction with Excel 用Excel处理二级反应速率常数测定的数据
In this paper, by using the free valence indices and De-war's activity indices as the structure parameters, these parameters for 19 PAH and the second-order rate constants of the Diels-Alder reaction are regressed linearly., The correlations have been satisfactory. 以自由价指数、Dewar活性指数为结构参数,对19个PAH的结构参数与Diels-Alder反应的二级速度常数进行线性回归,得到了良好的相关性。
A new approximate mothod for the second-order reaction in a semi-batched reactor 半间歇操作反应器中二级反应的新近似计算方法
The second-order reaction, A+ B& products, can often be approximated as a pseudo first-order reaction when either of the reactants is in large excess. 对于二级反应A+B→产物当一个反应物的浓度大大过量时,通常按假一级反应处理。
The structures and energies of reactant, product, intermediate, transition-state, and second-order saddle-point in the transfer reaction of inner hydrogen atoms in porphine are calculated by using B3LYP/ 6-31G method under certain symmetry restriction. 用B3LYP/631G方法计算卟吩内氢迁移反应中的反应物、产物、中间体、过渡态及其二级鞍点的结构与能量。
At the same time, the reaction rate constant, the reaction rate equation, the activation energy, and the arrhenius factor were given. The results show that the esterification is a kind of second-order reaction. 结果表明该酯化反应属于二级反应,同时求出了反应速率常数表达式、反应速率方程、活化能以及指前因子。
In the spectra of PVDC chars gasified with CO2 and quenched, the desorption peak of γ-state CO is from a second-order reaction with Ed of 230kJ/ mol. 分析CO2气化PVDC焦的TPD-MS发现,γ态CO脱附是Ed为230kJ/mol的二级反应。
The macro models in the case of the linear and non-linear distribution input of the reactant concentration for the second-order reaction were set up. 分别形成了二级反应反应物浓度线性分布输入及非线性分布输入情况下的宏模型。