The rate of penetration of the negativepulse jet assisted drilling can increase from 0.7 to 3.0 in in-house simulation drilling compared to conventional drilling.
与常规钻井相比，室内模拟钻井试验条件下负压脉冲射流辅助钻井可以使钻速提高0.7-3.0倍。
2
The influence of negativepulse voltage applied directly to stainless steel samples on plasma characteristics has been found to be negligible, except sample sputtering.
直接施加于试样的脉冲负偏压对等离子体特性没有明显影响，但存在着一定的溅射作用。
3
On the bipolar-pulse mode HIPIB apparatus, a planar diode model of self-magnetic field MID is proposed for analysis of the diode behaviour during the negativepulse stage.