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。
In this study, the effect of ultrasonic treatment time on crystallization structure of industry pure aluminum ingots was investigated.
前言：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。
In this study, the effect of ultrasonic treatment time on crystallization structure of industry pure aluminum ingots was investigated. e. g. : with degasser and ultrasonic.
本发明涉及一种用于铝合金净化处理的铝合金净化专用除气剂及其使用方法。该除气剂由萤石、活性碳、碳酸钙和碳酸钾组成。
The composition of special-purpose degasifier for cleaning aluminium alloy is formed from fluorite, active carbon, calcium carbonate and potassium carbonate.
在制备出的纯uc中加入适量添加剂，经过球磨制粉，湿法压制成型及高温除气、烧结等工艺过程制备出硬质合金样品。
Many additives were added into the UC-matrix, and the powder was prepared by the hall mill, wet pressing to form, sintering process and so on.
在制备出的纯uc中加入适量添加剂，经过球磨制粉，湿法压制成型及高温除气、烧结等工艺过程制备出硬质合金样品。
Many additives were added into the UC-matrix, and the powder was prepared by the hall mill, wet pressing to form, sintering process and so on.
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