求出了扭结的迁移率、共振频率和扩散常数的表示式。
The expressions of the mobility, the resonant frequency and the diffusion constant of kinks are found.
仔细地研究了热光栅的弛豫过程，并由此得到液晶的热扩散常数。
The relaxation process of the thermal grating is carefully investigated and the thermal diffusivity of liquid crystal is consequently obtained.
实验装置原理图如摘要附图1所示，可以测量电子自旋的双极扩散常数；
The experiment device schematic diagram is shown in the drawing 1 of the abstract and can be used to measure the ambipolar diffusion constant of electron spin;
当去除1/4波片2和3时，则能够测量电子电荷的双极扩散常数和迁移率。
When 1/4 wave plate 2 and 3 are removed, the ambipolar diffusion constant and mobility of electron charge can be measured.
数值结果指出，用这种方法得到的扩散常数和熵与直接动力学计算得到的非常符合。
The numerical results show that the diffusion constant and entropy obtained by this method are in good agreement with those of direct dynamical computations.
从激活能值和计算的扩散常数之间的关系，可以得到氧和氮在钼中的理论扩散系数。
Theoretical diffusion coefficient curves for these systems were also obtained from the relationship between activation energies and the calculated diffusion coefficient constant.
这些苯胺的双分子淬灭速度常数取决于溶剂的粘度，而且在粘稠的烷烃中可以超过理论上扩散控制的限度。
The bimolecular quenching constants by - these anilines depend on the solvent viscosity and may exceed theoretical diffusion controlled limit in viscous hydrocarbons.
运用半导体的PN结扩散电流与电压关系特性，精确地测量了玻尔兹曼常数。
Based on the relationship between the diffusion current and voltage of PN junction, the Boltzmann's constant is measured with high accuracy.
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.
方法：采用正交试验，对双氯芬酸二乙胺凝胶进行体外透皮试验，以透皮扩散速率常数为考察指标。
Method: Orthogonal design was used in transdermal test with transdermal diffusion rate constant as selection standard.
跳跃—扩散模型下利率为常数的期权定价问题一直是期权定价研究的重点问题之一。
Pricing options with constant interest rate under jump-diffusion models is always a very important problem in option pricing research.
实验结果表明，从开始到吸附量达一定数额这段区域内，总速率由界膜内的扩散速率决定，且为一常数。
The experimental results show that, in the range from the beginning to a certain amount of adsorption, a general rate is decided by the diffusing rate in the scope film and it displays a constant.
一定浓度的气体通过固体颗粒层扩散-反应时，其扩散深度的平方与扩散时间的比值为常数。
The ratio of the square of certain concentration gas diffusion depth and diffusion time is constant when it diffuses and reacts through the solids bed.
这个模型与相应的动力学实验相结合可以测出反应物在明胶层中的扩散系数和反应速率常数。
Using the combination of the model with corresponding experimental observation, the important kinetic parameters, the diffusion coefficient and the rate constant could be obtained.
首先，测定包括分配系数、水相传质扩散系数和反应平衡常数等基础参数，并分析了各操作条件对其影响。
Firstly, allocation coefficient, diffusion coefficient and reversible reaction equilibrium const are determined, and the operation factors affecting these parameters also investigated.
测定了有效扩散素数、传质系数、吸附和脱附速率常数、平衡常数和饱和表面浓度。
Effective diffusivities, mass transfer coefficients, adsorption and desorption rate constants, equilibrium constants, saturated surface concentrations have been determined.
实验结果表明，有效扩散系数随温度升高而增大，吸咐平衡常数则正好相反。
With the increase of temperature the adsorption equilibrium constants decrease while the effective diffusivity increases.
其次，我们给出了扩散引起正常数平衡解失稳的条件。
Then, for the positive constant equilibrium, we give a sufficient condition for diffusion-driven instability occurring.
用溶解度不同的活性物释放数据对方程进行拟合并求得各组分在多孔聚合物基质中的有效扩散系数和溶解速率常数。
The model was used to fit the release profiles of three actives with different solubility, and the diffusion coefficient and dissolution rate constant were obtained.
烃分子的吸附平衡常数随温度的升高而降低，而扩散系数随温度的升高而增大。
The adsorption equilibrium constants decreased with the temperature, while the diffusivity increased with temperature.
烃分子的吸附平衡常数随温度的升高而降低，而扩散系数随温度的升高而增大。
The adsorption equilibrium constants decreased with the temperature, while the diffusivity increased with temperature.
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