Chemical conversiontreatment because of its simple, low cost, is the effective method of magnesium alloy corrosion.
化学转化膜处理因其操作简单、成本低廉，是镁合金防腐蚀的有效方法。
2
According to twice applications of equal effective conversiontreatment principle, two relative methods of train braking force calculation are established.
根据等效换算处理原则的两次应用，两种计算列车制动力的相关方法得以建立。
3
Chemical conversiontreatment on face of magnesium alloys can improve its corrosion resistance and provide a better base for following painting: electroplating, electroless chemical plating, etc.