所谓过冷度是指在一定压力下冷凝水的温度与相应压力下饱和温度的差值。 或是指物质（如金属、合金、晶体）的理论结晶温度Tcyrstalize与实际给定的结晶现场温度Tcurrent的差值，即△T=Tcyrstalize-Tcurrent。
最大过冷度 maximum subcooling ; [机] maximum subcooled temperature
最小过冷度 [机] Minimum subcooled temperature
开阀过冷度 [制冷] Subcooled temperature of open valve
过冷度越大 Greater undercooling
热物流出口过冷度 Hot stream outlet degrees subcooling
液体过冷度 Liquid subcooling
晶体生长的动态过冷度 Dynamic Supercooling
临界过冷度 critical undercooling limits
极限过冷度 attainable degree of supercooling
利用差热分析法测定了试样在相同冷却速度下的过冷度。
The DTA method was employed to measure the undercooling of samples during solidification.
计算结果显示了小面的形成和界面上各向异性的过冷度分布。
Calculations demonstrate the formation of facets and anisotropic undercooling distribution along the interface.
系统研究了该合金的微观组织演化与熔体过冷度之间的关系。
The relation of microstructure evolution vs undercooling in Ni-Si eutectic alloy was systematically investigated.
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