查询词典 dissociation coefficient

Weakly acidic and basic drug analysis ; fixed pH titration ; distribution coefficient ; acid dissociation constant of drugs

弱酸弱碱性药物分析；固定pH滴定；分布系数；药物酸离解常数

The following experimental results are obtained:(1) Through the dissociation and ionization of sodium amide in a shock tube with a magic hole to provide sodium ions and electrons, the three-body recombination rate coefficient of sodium ion with electron is determined under the condition of argon atoms acting as the third body in the collision process:〓. The experimental temperature range is from 1400 to 2700K, extending the limitation of the flame method.

实验获得了如下结果：（1）在魔洞型单脉冲激波管上以氨基钠粉的高温分解和电离提供钠离子和电子，测定了以氩原子为碰撞第三体时钠离子与电子的三体复合速率系数〓，实验测量温度范围1400～2700K，拓宽了火焰方法测量结果的局限。

Through the consideration of the triplet-state configuration of d-TMA and the effect of heterolytic reaction on system entropy value,△H and △S of the dissociation reaction of d-TMA were accurately calculated at the same time. The plot of lnK vs l/T had a perfectly linear relation: lnK=-9624.4363/T+20.2303, and the correlation coefficient R^2=1.0000, which agreed quite well with the predecessors' experimental results.

通过考察d-TMA三线态构型和异裂反应对系统熵值的影响，准确计算了d-TMA离解反应的△H和△S以lnK对l/T作图，两者之间具有很好的线性关系：lnK=-9624.4363/T+20.2303，相关系数R^2=1.0000，与前人实验结果相当一致。

A simple method for calculating the isoelectric point of protein and the maximum distribution coefficient of its neutral ion is presented in this paper from the step-dissociation of polybasic acid.

从多元弱酸分步电离的角度出发，从理论上推导一种计算蛋白质等电点和中性离子的最大分布系数的方法。

It is demonstrated in the calculation that Park's two-temperature model underestimates the nonequilibrium dissociation rate coefficient and that Hansen's two-temperature model overestimates the nonequilibrium dissociation rate coefficient.

结果显示Park的双温度模型低估了非平衡解离速率系数，而Hansen的双温度模型则高估了非平衡解离速率系数。

At the same time it is shown the population dissociation coefficient method is abetter calculating method for structural reliability in solid rocket motors and themajor factor affecting structural strength reliability is the standard deviation.

在置信度为0.90时，其结构可靠度大于0.9954。同时表明总体变异系数法是较佳方法，影响结构可靠性的主要因素是样本标准差。

The calculated results of the vibrational relaxation time, the dissociation incubation time and the dissociation rate coefficient are found to be in a good agreement with those experimental data given by Camac and Wray, respectively.

解离孕育时间和解离速率系数与Wray的实验结果相符，振动弛豫时间与Camac的实验结果相比合理一致。

He consistance of the population dissociation coefficient method andthe sample dissociation coefficient method for the calculation of structural reliabilityin solid rocket motors was reviewed.

依据结构强度－工作应力理论模型，应用数理统计方法和对某团体发动机大量试验数据的实例计算，证明了总体变异系数法和样本变异系数法在结构可靠性计算中的一致性。

In a O〓-Ar mixture, the dynamic process of vibration-dissociation coupling behind a primary shock front is studied. The variation of many of the physical quantities with time are calculated out, such as the vibrational energy level distribution, the vibrational energy, the vibrational relaxation time, the dissociation incubation time, the dissociation product concentration, the dissociation rate and the dissociation rate coefficient.

对O〓-Ar体系考查了正激波后振动激发与解离耦合的动态发展过程，计算给出了振动布居分布、振动能、振动弛豫时间、解离孕育时间、解离产物浓度、解离速率、解离速率系数各物理量随时间的演化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐