Progress of molybdate passivating for zinc coating is stated.

本文综述了国内外镀锌层钼酸盐钝化的研究概况。

This is the reason that the blue white passivating film is too thin.

这是由于蓝白色钝化膜层太薄的缘故。

Brush passivating agent on surface very 15 minutes, maintain a wet surface.

在表面上刷钝化剂15分钟，保持表面潮湿。

Chromate conversion coating resulting in the formation of a passivating film.

铬酸盐转化镀层导致形成钝化膜。只能使用三价铬。

The passivating agent used in the experiment was low cost and low loss of active magnesium.

试验中采用的钝化剂具有成本低、活性镁损失小等特点。