pinch-off current 夹止电流 ; 夹断电流
Main current of Z pinch is loaded and then it driven the plasma liner to implode when singe wire plasma column touches and couples with each other.
当相邻各丝的等离子体膨胀到相互接触和汇合的程度，Z箍缩的主电流才开始加载，驱动各丝汇合形成的等离子体套筒内爆。
The pinch-effect will occur in plasma column because magnetic field pressure outside is bigger than thermal pressure inside of the plasma column carrying electric current.
载电流等离子体柱由于外磁场压强大于其内部热压强，等离子体柱发生箍缩效应。
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