Currently, the main treatment of PCP includes: biological method, fenton reaction photochemical method, electrodeposition, ozone treatment, ultrasonic, metallocene catalysts.
目前，对PCP的主要处理方法是：生物方法、芬顿试剂法、光化学、电化学、臭氧处理、超声波及金属催化氧化等处理方法。
The results were attained in the experiments: by using the method of ultrasonic vibration treatment, the value of porosity volume is decrease obviously.
研究结果表明，采用超声波振动处理的方法，可显著地降低铸锭内的含气量。
The effect of melt treatment method on degassing efficiency of ultrasonically refined pure aluminum ingots was investigated. Furthermore, the mechanism of ultrasonic degassing was analyzed.
研究了不同的熔体处理方法对纯铝铸锭超声波除气的影响，分析了影响超声波除气效果的原因。
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