Abstract The physical and chemical characteristics of the Electro Chemical Machining(ECM) by higher frequency, short pulses current are investigated, also its affection on the effects of ECM.
分析了高频、窄脉冲电流电解加工过程的物理、化学特性及对加工结果的影响，进行了高频、窄脉冲电流电解加工模具试验。
The paper analyses the relation degree of the regenerated asphalt chemical makeups to their temperature affection performance by means of the grey relation entropy method.
笔者采用灰色关联熵分析法，分析了再生沥青化学组成与其感温性能之间的关联关系。
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