Chemical reaction rate

Relation between artificial viscosity and chemical reaction rate law in numerical simulation of steady detonation

定常爆轰数值模拟中化学反应率与人为粘性的相关性

Meanwhile, a new method of calculating chemical reaction rate constant and reaction order of SO2 was proposed and the value is 0.745.

提出了从实验数据计算化学反应速率常数和SO2反应级数的新方法，得出的反应级数为0.745。

The influence of parameter of chemical reaction rate was further calculated.

在此基础上针对化学反应参数对两相爆轰波的影响进行了数值模拟。

In addition, unreacted core model was applied in studying the chemical reaction rate constant and solid state diffusivity.

另外利用未反应收缩核模型研究了700℃&900℃温度区间CaS氧化反应的化学反应速率常数和扩散系数。

The chemical reaction rate, nucleation rate and growth rate were strongly influenced by the axial temperature profile.

CVD反应器中的轴向温度分布严重影响AlN粒子合成过程中的化学反应速率、成核速率和生长速率；

A study was made on concrete creep under different curing temperatures, and the comprehensive effects of time and temperature on creep development were expressed with the chemical reaction rate.

对不同养护温度下的混凝土徐变进行了研究，用化学反应速率描述温度对混凝土徐变的影响。

The chemical reaction is the rate controlling process of digesting roasted diaspore in the sweetening process.

得出焙烧矿在增浓溶出过程中受化学反应控制，且为一级反应。

The effects of couple-stress parameters a, η and chemical reaction rate constant λ on those quantities above are discussed.

分析了偶应力参数a，η和化学反应率参数λ对上述量的影响。

The experimental results show that the chemical reaction rate of superfine pulverized coal reburning involving NO reduction is jointly controlled by diffusion& reaction dynamics.

实验结果表明，微细化煤粉再燃还原NO的化学反应速率受扩散&反应动力学联合控制。

The k-equation subgrid-scale model is used to simulate the subgrid eddy viscosity, and the eddy-break-up ( EBU) combustion subgrid-scale model is used to determine the chemical reaction rate.

利用大涡模拟来研究气相流场，k方程亚网格尺度模型来模拟亚网格涡粘性。

Unfortunately, not so with the chemical reaction rate.

遗憾的是，反应速率却不能这样。

In order to calculate α_ I 、β_ j and chemical reaction's rate constant and calculate K in each subzone, the authors divide the area into six parts.

将计算区划分成6个区，计算出αi、βj及化学反应速率常数kj，求得各分区的K值。

The computer system of data-logging and data-processing of chemical reaction rate

化学反应速率的计算机数据登录及处理系统

It was indicated that parameter of chemical reaction rate had little influence on the parameters of detonation in gas-fuel droplet systems whereas the detonation limit was obviously influenced from the results of calculation.

数值模拟结果表明化学反应率对爆轰CJ参数的影响并不明显，但对气体&燃料液滴两相系统的爆轰极限有明显的影响。

Determination of the Chemical Reaction Rate Constants of the Quenching Agents and Singlet Oxygen by HPLC

高效液相色谱法测定猝灭剂与单重态氧反应速度常数

By means of the model, the effect of factors on the kinetic of UN formation was studied, such as temperature, initial ratio of C/ UO2, chemical reaction rate coefficient, nitrogen pressure and stream flowing rate, diffusion of carbon, nitrogen and CO.

利用提出的模型，定性分析了温度、混料比C/UO2、化学反应速率、氮气压力及流速、C/N/CO扩散速率等对整个制备过程动力学的影响。

The two-fluid model was used for the two-phase flow. The standard k-ε turbulence model was employed. The average chemical reaction rate was approximated by the Eddy-Break-Up ( EBU) model.

两相流模型采用双流体模型，湍流模型采用标准k-ε模型，湍流燃烧采用涡旋破碎（EBU）模型，数值方法采用LEAGAP算法。

The HSAB rule is used to forecast stability of inorganic reaction, chemical reaction rate, thermodynamics parameter, multiformity and enrichment of trace elements in some body fluid and apparatus.

应用软硬酸碱规则预测多种无机反应的稳定性、应速度、力学参数和体内微量元素多样性和富集作用。

The shortcomings of the one-step reaction mechanism and the differences among different chemical reaction rate formulae were exhibited by simulating a one-dimensional laminar premixed flame using detailed and one-step reaction mechanisms.

为了解单步反应机理的不足及其不同速率表达式之间的差异，分别采用详细和单步化学反应机理数值模拟了甲烷一维层流预混火焰。

On the basis of the new theory of heat conduction equation considering the chemical reaction rate of concrete, the temperature field caused by hydration heat in massive concrete walls is analyzed, and the analytical iterative solution to the nonlinear heat conduction equation is presented.

根据已提出的考虑混凝土化学反应速率的热传导方程新理论，分析了水化热引起的大体积混凝土墙的温度场，给出了该问题非线性热传导方程的解析迭代公式。

The results show that increasing the quality concentration of local oxygen in ignition areas can accelerate chemical reaction rate, enhance the combustion wave intensity and shorten the time and distance of ignition-detonation process.

结果表明：提高点火室局部氧气的质量浓度能在点火后加速化学反应速率，增强燃烧波强度，缩短点火起爆的时间和距离。

This indicates that the low pressure may not only affect the chemical reaction rate, but it also diminished the effect of buoyancy. So in low ambient pressure we can get some characteristics that exit in low gravity environment.

这表明，虽然压力降低，影响燃烧的反应速率，但由于压力降低，浮力减弱，因而，在正常重力环境中也能得到微重力环境下蜡烛火焰所具有的某些特征。

The Application of CAI in the Experiment of Chemical Reaction Rate and Activation Energy

CAI在化学反应速度和活化能实验中的应用

This is a discussion on improving the determination of chemical reaction rate in the famous study on kinetics of reaction between ammonium persulphate and kalium iodide.

本文改进了著名的过二硫酸铵与碘化钾反应动力学研究中反应速度的测定，并将测定改为微型化学实验技术。

The decrease of the burning rate and flame temperature by adding energetic additive PQ is due to the reduction of energy level of the propellant and the decrease of the chemical reaction rate by the endothermic melting of PQ.

含能添加剂PQ降低燃速、燃温的原因是加入PQ后，推进剂的能量水平下降以及PQ在分解时的熔化吸热降低了化学反应速率。

When the reaction time is more than 45 seconds, the time-conversion function indicates that although the rate of O2's diffusion and mass transfer still keep some high, the chemical reaction rate reduce distinctly.

在T＞45s时，时间-转化关系函数表现出氧气仍保持一定的扩散和传质速率，而化学反应速率有明显降低。

Plasma ignition has large ignition energy, high transfer efficiency and can accelerate chemical reaction rate, which can greatly shorten the ignition delay time and improve the success rate of ignition-detonation.

等离子体点火具有点火能量大、能量转移效率高、可加速化学反应等特点，能够极大地缩短点火延迟时间和提高点火起爆成功率。

Determination of Chemical Reaction Rate Constant in Alloy Cathod Foil

合金阴极箔化学反应速度常数的测定

Analysis the three stages of explosion: the initial stage, the propagation stage and the decrease stage by numerical simulation, and analysis the relation of molar concentration of different components with chemical reaction rate in the elementary reaction.

通过数值模拟分析了爆炸的三个阶段：爆炸的初始阶段、爆炸的扩展阶段和爆炸的衰弱阶段。在基元反应中，分析了各个组分的摩尔浓度以及基元反应的化学反应速率。

In the same condition of ignition energy, the greater of chemical reaction rate, the lower of lower detonation limit and higher of upper detonation limit.

在相同的起爆能量的条件下，化学反应率越大，两相系统的爆轰极限的下限越小，上限越大。