A determine has been made on the thermal properties of the meltingandsolidification process of ionic liquids by using differential scanning calorimeter (DSC).
From the experiment and the observation, it is found that microscopic analysis in meltingandsolidification process can greatly help to reveal the behaviour of powder in the mould.
由实验和观察结果可以看出，熔融凝固过程的微观分析有助于揭示保护渣在结晶器内的行为。
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Reflow Soldering: Melting, joining andsolidification of two coated metal layers by application of heat to the surface and predeposited solder paste.