The effects of pulse current, frequency, duty ratio and inversecurrent in zincate system on the appearance and corrosion resistance of zinc coating are investigated.
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。
2
An inverse relationship was found between a traditional diet and the odds of having a current major depression.
传统饮食与受试患上抑郁症的几率之间呈逆相关。
3
Inverse radiation problem is the hot spot of the current research.