速度常数

计算动力学速度常数的新方法

New method for computing the kinetic velocity constant

旋光度法测定蔗糖水解反应速度常数是动力学的一个典型的实验。

In chemical kinetics , the measurement of velocity constant of sucrose hydrolysis by polarimetry is a typical experiment .

k3&链的增长速度常数。

K3 - rate constant of chain propagation .

本文提出可以用凝胶速度常数K来表征凝胶速度和生成的膜结构。

The gelation rate constant K is an important parameter in characterizing gelation rate and membrane structure .

底泥速效氮含量（x）与水体氮素转化速度常数（k）呈正相关。

Nitrogen conversion rate in water is directly related to the available nitrogen content in the sediment .

HPLC法测定模拟乙烯砜型染料-纤维化合物的碱性水解速度常数

Determination of Rate Contants of Alkaline Hydrolysis for Model Vinyl Sulfone Dye-Cellulose Compounds by HPLC

本文采用分光光度法测定了碘催化抗坏血酸氧化萘酚绿B反应的反应速度常数和表观活化能。

Kinetic constant and apparent activation energy of iodine catalytic reaction of ascorbic acid oxidation Naphth Green B have been determined by spectrophotometric method .

通过对试验数据的回归，求取了14个反应动力学速度常数k、14个反应活化能E和14个反应的指前因子。

14 reaction kinetics rate k , 14 reaction activation energy E and 14 frequency factors have been obtained by the regression of test data .

测定了其反应常数K、速度常数k1、活化能E（（？），1）及频率因子k（0,1）。

Its reaction constant K , rate constant k_1 , activation energy E_ ( a.1 ) and Arrhenius factor k_ ( 0.1 ) were determined .

对煤→沥青烯→油这一简化的反应方程式计算了反应速度常数K1，K2和活化能E1，E2。

For the simplified equation : coal → Asphaltene → Oil , the specific reaction-rate constant K_1 , K_2 and activation energy E_1 , E_2 were estimated .

发现铜离子的浮选符合零级反应动力学，并求出其速度常数K＿0。

For the kinetics of ion flotation of cupric ion , a zero order reaction was found by experiment , and the rate constant K_0 was estimated .

本文报导了二步串联-平行反应速度常数（k2/k1，k1）计算公式的新推导方法和步骤。

Is this article , a new mathematical procedure for calculating the rate constants ( k2 / k1 , k1 ) in 2-step series-parallel second-order reactions is presented .

结论：安乃近溶液鼻粘膜吸收机制为被动扩散，吸收符合一级动力学，吸收速度常数K为0.02219min－1。

CONCLUSION : The mechanism of analgin nasal absorption is passive diffusion , following first order kinetics , the absorption rate constant is 0.022 19 min - 1 .

方法：通过微分方法分析单次静脉滴注一室模型药物的动力学特征，求出消除速度常数k和表观分布容积V等药动学参数。

Methods : The novel method was based on the analysis of differential kinetics of the plasma level of the single compartmental drug by single intravenous infusion injection .

本文应用交流胆抗法测定Zn（Ⅱ）/Zn体系在微酸性硫酸盐溶液中的交换反应速度常数。

The rate constant of the Zu ( II ) / Zn exchange reaction in slightly acidic sulfate solution has been determined through AC impedance spectroscopy .

此外，对估算MMH吸入染毒的表观零级吸收速度常数k0和实际吸收剂量Da的简化方法进行了探讨。

Besides , the simplified methods that could calculate the apparent zero-order absorption rate constant ( k0 ) of inhaled MMH vapour were explored .

提出了堆积煤样的体积耗氧速度常数新指标，其值可通过试验直接测定；给出了耗氧速度（量）与CO产生速度（量）的比例变化关系。

In addition , we have also proposed a new index & the volume of the oxygen consumption of the coal samples , whose value can be directly tested by the experiment .

根据不同温度下AlAS层氧化反应速度常数，计算出了一定厚度AlAs层与水汽发生化学反应的活化能。

According to the reaction rate at different temperatures , we calculate the activation energy of AlAs reacting with H2O vapor .

结果表明，这两个染料在激发单重态经荧光猝灭，被紫精猝灭的速度常数（kq）比被胺猝灭的速度常数大。

The experimental investigation shows that these two dyes undergo fluorescence quenching in their singlet excited state and the quenching rates ( Kq ) by viologen are faster than that by amines .

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 .

30℃聚合时，DPE/n-BuLi（mol比）从1.0增加到10.0，表观增长反应速度常数kp〃下降32%；60℃聚合时，下降47%。

When DPE / n-BuLi ( mole ratio ) increased from 1.0 to 10.0 , the apparent propagation rate constant kp ' ' decreased 32 % at 30 ℃, and decreased 47 % at 60 ℃ .

用循环伏安法（CV）、计时电量法（CC）和计时电流法（CA）测定了SNP在GCE上的电极过程动力学参数如电荷传递系数α，扩散系数D以及表观速度常数Kf。

The electrode kinetic parameters such as charge transfer coefficient α, diffusion coefficient D and apparent reaction rate constant k_f are determined by CV , CC and CA.

研究了Au修饰的薄膜CdSe电极在多硫溶液中的瞬态光电流行为，测量了界面异相电荷转移，表面电荷复合及光腐蚀反应速度常数KF，KR及Kc。

The transient photocurrent behaviours of Au modified CdSe thin film electrodes were studied in polysulfide solution . The reaction rate constants of interfacial heterogeneous charge transfer KF , surface charge recombination KR and photocorrosion Kc were estimated .

Tafel曲线表明，添加剂降低了银电沉积过程的交换电流密度和电化学反应速度常数。

The results of Tafel curves showed the additive decrease the exchange current density values and electrode reaction rate constant .

重轨钢的高温氧化动力学速度常数kp随温度的变化曲线遵循指数规律增长，同种气氛下的kp值随温度升高而增大。

The oxidation kinetic rate constant kp of heavy rail steel followed the exponential curves with temperature , kp value under the same atmosphere increased with temperature .

结果表明，固体有机物经历了溶解和水解两个过程，溶解过程符合一级反应动力学模型，溶解速度常数与温度的关系符合Arrhenius方程；

The dissolving process accords with first-order reaction dynamic model , and the relation between dissolving rate constant and temperature can be depicted by Arrhenius equation .

结果表明：由脱碳所控制的氧化第一阶段，导致了氧化膜的多孔性，显示出第一阶段高的抛物线速度常数K（P1）。

Phases were identified with the X-ray diffractometer . As a result , the oxidation is do - minated by decarburization in the first stage of oxidation , and K_ ( pl ) is hig - her .

利用连续管式反应器对以KOH为催化剂的均液相月桂醇乙氧基化反应合成醇醚的动力学进行了研究，获得了其简化的动力学模型和反应速度常数k。

The kinetics of homogeneous phase dodecyl alcohol ethoxylation for alcohol ether synthesis has been studied in the presence of KOH catalyst with a continuous tubular reactor . A simplified kinetic model and the reaction rate constant were obtained .

本文研究了空气氧化抗坏血酸（H2A）水溶液的动力学，在温度25～50℃范围内得出0.5级反应及相应的速度常数。

The Kinetics of aerobic oxidation of ascorbic acid ( H_2A ) in the aqueous solution is studied at 25 ~ 50 ℃ . The experiments indicate that the oxidation is a 0.5-order reaction and the velocity constants of oxidation were evaluated .

由于该催化剂比R－32催化剂铂含量低21.6%，所以烧炭反应速度常数较小，但烧炭速度与氧分压的级数关系相当。

As the platinum content in the catalyst is 21 . 6 % lower than that of the R-32 catalyst , the constant of the coke burning rate is smaller , but both dependences of the coke burning rate on the oxygen partial pressure are matched with each other .