The output of PWM(pulse width modulation)was automatically adjusted by TL494 to control the field current of the generator, which accomplished stabilizing output v.
通过TL494自动调节PWM输出控制励磁电流，达到稳定发电机输出电压、输出电流和限流充电的目的。
The invention belong to medicine preparation field, relating to a externally used eye drops containing stabilizing agent for piperilunxiping.
本发明属药物制剂领域，涉及一种含稳定剂的哌仑西平的外用滴眼制剂。
The invention belong to medicine preparation field, relating to a externally used eye drops containing stabilizing agent for piperilunxiping.
本发明属药物制剂领域，涉及一种含稳定剂的哌仑西平的外用滴眼制剂。
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