系统介绍了第一个多股换热器前高低压制冷剂之间不进行回热的典型混合制冷循环液化天然气流程的计算方法;
There is not heat exchange between the mix refrigerant entering the compressor and the mix refrigerant leaving the water cooler.
研究利用低压脉冲电场技术制备的AZ91D镁合金在部分重熔过程中的组织演变,考察加热温度和保温时间对不同脉冲电压制备的AZ91D合金初生相形态和尺寸的影响。
The non-dendritic semi-solid magnesium alloy AZ91D is prepared by reheating the AZ91D alloy treated by low-voltage electric current pulse(LVECP) technique.
研究利用低压脉冲电场技术制备的AZ91D镁合金在部分重熔过程中的组织演变,考察加热温度和保温时间对不同脉冲电压制备的AZ91D合金初生相形态和尺寸的影响。
The non-dendritic semi-solid magnesium alloy AZ91D is prepared by reheating the AZ91D alloy treated by low-voltage electric current pulse(LVECP) technique.
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