Poisson's distribution combined with Fick's diffusion law is used to describe chloride ions' invasion and the corresponding formula are presented.
尝试运用结合费克扩散定律的泊松分布来描述氯离子侵蚀现象，给出了相应的公式。
The dielectric barrier surface discharge process is simulated using Poisson's equation and drift-diffusion equation and the distribution history of electron, ion and electric field is gained.
采用泊松方程和漂移-扩散方程对介质阻隔面放电进行数值模拟，得到了电子、离子以及电场分布随时间的变化。
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