The ambipolar electric field is important and the ambipolar diffusion flux is of the same order of the ion diffusion level.
此时，存在明显的双极电场，而双极扩散流基本上是离子扩散的量级。
Using variation principle, the difference discrete scheme with diffusion flux form on the irregular hexahedral grid is constructed.
在非正规六面体网格上，用变分原理建立扩散流形式的差分格式。
The results showed that percutaneous fluxes of 1 in pH7.4 phosphate buffer solution with anodal and cathodal iontophoresis were 230% and 45% of that of the passive diffusion flux respectively.
结果表明，1生理盐水饱和液阳极导入时的透皮速率是被动扩散的2．3倍，阴极导入时药物的透皮速率是其被动扩散的45％，说明电渗作用明显促进了分子型药物1的经皮渗透；
To understand that you have core power distribution that you can calculate using diffusion theory but that core power distribution creates a flux.
理解你的核心动力分布，你能计算使用扩散理论，但是核心动力分布创造了一个流量。
First, the neutron diffusion equation is converted to three coupled one dimensional partial flux equation through transverse integration.
首先通过横向积分将中子扩散方程化为三个互相耦合的一维偏通量方程。
In this paper, the blow-up rate is determined for a nonlinear diffusion equation with nonlinear absorption and nonlinear boundary flux.
本文研究一类具有非线性吸收和非线性边界流的非线性扩散方程，建立了解的爆破速率估计。
The axial dispersion in chromatography models was discussed with vector method and the effect of diffusion on the bulk flow flux with its partial quantity form was pointed too.
用矢量方法讨论了色谱模型中的轴向扩散项，指出轴向扩散项是扩散通量以分量的形式在主体流动通量上的页献。
At the same time, it also shows that the diffusion from cooling water is affected by both of tidal current and heat flux.
同时表明温排水扩散受到潮流运动和海—气热通量的影响。
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。
After the calculation of heat flux, the diffusion from cooling water was simulated by a numerical model-ECOMSED. Results from the model and observation were compared and analysed.
利用计算出的热通量数值，用三维数值模式ecomsed对象山港海域的温排水扩散进行数值模拟，并将计算的结果与实测结果进行比较分析。
After the calculation of heat flux, the diffusion from cooling water was simulated by a numerical model-ECOMSED. Results from the model and observation were compared and analysed.
利用计算出的热通量数值，用三维数值模式ecomsed对象山港海域的温排水扩散进行数值模拟，并将计算的结果与实测结果进行比较分析。
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