The effect of ultrasonic wave on calcium sulfate crystallization is studied.
研究了超声对硫酸钙结晶过程的影响。
Reference-material weighting method is used in studying effect of ultrasonic washing through a metal net.
利用比较称重法研究了有金属网存在时超声水槽超声效果的差异。
In this study, the effect of ultrasonic treatment time on crystallization structure of industry pure aluminum ingots was investigated.
研究了超声波处理时间对工业纯铝铸锭结晶组织的影响，即添加除气剂又进行超声波处理的情况。
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