The charge exchange and elastic collision between ion and neutral atoms and the collection and Coulomb scattering of ion on dust grains are considered.
当离子在鞘层运动时，考虑离子与中性原子之间的电荷交换和弹性碰撞，以及离子被尘粒的库仑散射和收集作用。
At relatively high pressure, in addition to electromagnetic field and electron's Coulomb scattering by gas molecules, plasma instability would result in decrease of propagation efficiency.
而较高气压时，束电子除受自身电磁场作用及库仑碰撞散射外，等离子体不稳定性使束流传输效率明显降低。
In order to calculate the coulomb potential scattering, the path integral is investiged in momentum space.
在合理的近似下，通过在动量表象中计算路径积分，较为方便地求出了。
In order to calculate the coulomb potential scattering, the path integral is investiged in momentum space.
在合理的近似下，通过在动量表象中计算路径积分，较为方便地求出了。
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