在实验范围内，施加的脉冲电流频率增加时，拉拔力降低，合金丝的延伸率增加。
The drawing force decreases and the specific elongation increases when the frequency of pulse current exerting to wire adds in the scope of experiments.
研究了在锌酸盐镀锌体系中采用脉冲电流时，脉冲频率、脉冲的占空比、反向电流对镀层外观、耐蚀性的影响。
The effects of pulse current, frequency, duty ratio and inverse current in zincate system on the appearance and corrosion resistance of zinc coating are investigated.
该电源输出脉冲电流的幅值、脉宽和频率都可以在规定的范围内连续可调。
Pulse width and frequency can be adjustable in succession within the range of the fixed one.
文章给出了实验结果和典型频率下脉冲电流的示波图。
The experimental results and photos of the pulse current wave are also presented.
脉冲电流幅值和EP半波时间对铝合金表面氧化膜的清理有重要影响，在焊接薄板铝合金时应采用较低的脉冲频率。
The pulsed current peak value and EP time have a important effect on removal of the surface oxide, the lower frequency should be adopted for thin sheet of aluminium alloy.
单片机协调控制变极性脉冲MIG焊的脉冲电流及电弧极性、电弧电压及熔滴过渡频率，实现了稳定的焊接过程。
Pulse current, arc polarity, arc voltage and metal transfer of variable polarity pulse MIG welding are controlled by 80c196kc coordinately to implement the stable welding procedure.
单片机协调控制变极性脉冲MIG焊的脉冲电流及电弧极性、电弧电压及熔滴过渡频率，实现了稳定的焊接过程。
Pulse current, arc polarity, arc voltage and metal transfer of variable polarity pulse MIG welding are controlled by 80c196kc coordinately to implement the stable welding procedure.
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