研究电渣熔铸过程中渣皮的形成机理。
The forming mechanism of slag skin was studied during electroslag casting.
对电渣重熔过程中渣池运动的驱动力进行了分析，并对电渣重熔体系的数学模型进行了回顾和评价。
Driving forces of slag bath flow in ESR process have been analyzed and mathematical models in ESR system reviewed and evaluated.
研究人员使用的方法是将咖啡渣隔夜使其干燥，然后放入一些常见的化学溶剂中，例如正己烷、乙醚和二氯甲烷，来溶解咖啡渣中的油类成分。
The researchers start off by drying their coffee grounds overnight and then pour in some common chemical solvents, such as hexane, ether and dichloromethane, to dissolve the oils.
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