用计算机模拟，研究了电场下的团簇-团簇凝聚(CCA)和扩散限制凝聚(DL A)的结构转变。
The structure transitions in cluster cluster aggregation (CCA) and diffusion limited aggregation (DLA) under external electric fields have been investigated by computer simulations.
利用高压电场离子扩散法试制滤光石英玻璃，介绍了该法的装置与工艺。
Stained quartz glass for filters has been made by ion diffusion under high-tension electric field. The equipment and process are described.
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。
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.
提出了金属—氧化物过渡层—玻璃的接头结构形式及静电场条件下离子扩散及接合模型。
The models of "metal oxides glass" of joining structure and ions diffusion bonding are indicated.
放电为磁场激励型，稳定的等离子体由电磁场所维持，空间电荷产生的静电场引起荷电粒子的双极扩散。
A steady state plasma is maintained by electromagnetic field and ambipolar diffusion of charged particles is caused by electrostatic field of space charge.
目前国内外对高电场中离子扩散、载气流速分布对离子运动行为的影响进行了大量的研究，取得了一定的研究成果。
Recently, the research of the dependence of ion movement on ion diffusion and carrier gas velocity distribution in high strength electric field has achieved preliminary results.
进而分析了脉冲电场作用下基体中石墨晶核的数量增加，有效地缩短了珠光体分解时碳原子的扩散距离，从而加速了第二阶段石墨化过程中珠光体的转变。
The result indicated that transformation of perlite was accelerated and the quantities of ferrolites was increased under the function of impulse electric field at second stage graphitization.
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。
The ambipolar electric field is important and the ambipolar diffusion flux is of the same order of the ion diffusion level.
通过对载流子扩散机理的研究，由数学公式的推导，得到陷阱电荷分布随电场变化的函数关系。
Substituting the electric field distributions into the formula we ve induced, we got the trapped charge distribution inside the buried oxide during total irradiation under different bias states.
当扩散场与外加电场可比拟时，外加电场对空间电荷场的影响不大；
We aslo study the effect of the applied field on recording of the first three higher order harmonics of the space charge field.
当扩散场与外加电场可比拟时，外加电场对空间电荷场的影响不大；
We aslo study the effect of the applied field on recording of the first three higher order harmonics of the space charge field.
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