结果表明，过冷纯熔体中非快速凝固晶体生长的液固界面是不稳定的。
It is concluded that the liquid-solid planar interface is not stable for non-rapid solidification in undercooled melts.
模拟结果表明：铜团簇的熔点和凝固点随其尺寸线性增加，并逐渐向大块晶体靠拢；
The results indicates that the melting and freezing points of Cu_N nanoclusters increase linearly with size, and approach to bulk crystal's gradually.
第39届国际物理奥林匹克竞赛实验试题是：利用差示温度计法来测定固态晶体物质的凝固点和测定太阳能电池的效率。
This paper introduces the 39th IPhO experiment test, which using the differential thermometer to measure the solidifying point of a crystalline solid substance and an efficiency of the solar cell.
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