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Using this method, the circuit can be operated without voltaic art and impact current through power electronic AC switch and the switch can be monitored and protected by microcomputer device.

它通过交流电力电子开关实现电路的无电弧、无冲击性操作，同时通过微机装置对开关进行监控和保护。

The invention discloses a method of utilizing metal chelating resin adsorbent to separate and recovery fatty acid.

本发明公开了一种利用金属螯合树脂吸附剂分离回收水体中脂肪酸的方法。