The expressions of the mobility, the resonant frequency and the diffusion constant of kinks are found.
求出了扭结的迁移率、共振频率和扩散常数的表示式。
When 1/4 wave plate 2 and 3 are removed, the ambipolar diffusion constant and mobility of electron charge can be measured.
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。
The numerical results show that the diffusion constant and entropy obtained by this method are in good agreement with those of direct dynamical computations.
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 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;
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；
Theoretical diffusion coefficient curves for these systems were also obtained from the relationship between activation energies and the calculated diffusion coefficient constant.
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。
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.
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。
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.
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。
Based on the relationship between the diffusion current and voltage of PN junction, the Boltzmann's constant is measured with high accuracy.
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。
Method: Orthogonal design was used in transdermal test with transdermal diffusion rate constant as selection standard.
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。
Pricing options with constant interest rate under jump-diffusion models is always a very important problem in option pricing research.
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。
The limitations of various typical flux-Limited diffusion theory and advantage of asymptotic diffusion theory with time absorption constant are analyzed and numerically compared.
对几种典型的限流扩散理论的局限性与含时间吸收项的渐近扩散理论的长处作了分析和数字计算比较。
The hydrogen diffusion behavior of AB5-based alloy at low temperature is studied by constant potential step technique.
用恒电位阶跃法研究了低温下ab5型储氢合金中的氢扩散行为。
The composition, stability constant and diffusion coefficient of the complex are determined. The mechanism of electrode process has also been discussed.
测定了配合物的组成及条件生成常数，对电极反应机制也进行了探讨。
The average value of hydrogen diffusion coefficient in metal hydride(MH) electrode was measured by constant current discharge method.
利用恒流放电法测定了金属氢化物（MH）电极中氢原子扩散系数的平均值。
The diffusion current is measured using transistor and digital ammeter instead of operational amplifiers, and the Boltzmann constant is obtained accurately.
在不使用运算放大器的情况下，直接利用晶体三极管与数字式电流表测出扩散电流，可以得到较为准确的玻尔兹曼常量。
The calculated exemplum by using this model indicates that experimental regression constant in the diffusion coefficient equation varies with the flow velocity of fluid and ranges from 0.014 to 0.020.
研究结果表明，颗粒扩散系数方程中的实验回归系数应考虑成流速的函数，取值范围为0.014～0。 020；
Image denoising with second order non-linear diffusion PDEs often leads to an undesirable staircase effect, namely, the transformation of smooth regions into piecewise constant ones.
利用二阶的非线性扩散方程进行图像去噪易产生具有“阶越效应”的去噪结果，也即使分段光滑的图像变为分段常量的。
Then, for the positive constant equilibrium, we give a sufficient condition for diffusion-driven instability occurring.
其次，我们给出了扩散引起正常数平衡解失稳的条件。
Using the combination of the model with corresponding experimental observation, the important kinetic parameters, the diffusion coefficient and the rate constant could be obtained.
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。
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.
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.
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。
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