The higher the frequency of alternate current, the higher oscillation frequency of the interface between slag pool and metal pool is, and the less amplitude is.
交流电频率越高，渣-金界面的振荡频率越大，振幅随之减小；
The steps of carrying on the method for measuring the life of luminescence are as follows:1 Use a sine alternate current with changeable frequency to stir up the sample;
该测 量发光寿命的方法的步骤：①用频率能够调节的正弦交流电激发样品；
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