中文摘要：

延长化学镀镍液寿命的方法有间隔取液法、沉淀法、冷却法、离子交换法、电解法、电渗析法等。比较了这些方法的再生效果及存在的问题。其中电渗析法的应用前景最广阔。

英文摘要：

The methods that can extend the lifetime of electroless nickel plating bath including interval fetching method, precipitation method, cooling method, ion exchange method, electrolysis method, electrodialysis method, etc. The regeneration effect and problems of these methods were contrasted. It was pointed out that electrodialysis method has the broadest application prospect.