等离子体离子温度和角向速度测量。
Measurement of plasma ion temperature and rotation velocity.
采用二个分离的收集极可以测量等离子体的膨胀速度。
Using two separated collecting electrodes, the velocity of plasma expansion can be obtained.
决定阴极等离子体膨胀速度的因素主要有二极管区的电场强度、等离子体的密度梯度和等离子体温度梯度等因素。
Cathode plasma moves ahead to the anode and changes diode effective gap. Plasma's expanding velocity is determined by electric field, density gradient and temperature gradient.
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