过冷，温度低于凝固点但仍不凝固或结晶的液体称为过冷液体。过冷液体是不稳定的，只要投入少许该物质的晶体，便能诱发结晶，并使过冷液体的温度回升到凝固点。这种在微小扰动下就会很快转变的不稳定状态称为亚稳态。
n. undercooling ; supercooling
adj. subcooled
...玻璃净化；循环过热；过冷 [gap=1090]Key Words： Ni-Si eutectic alloy；Glass fluxing；Cyclical superheating；Undercooling ...
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过冷度 Subcoold temperature ; degreeofsubcooling
最大过冷度 Maximum subcoold temperature ; maximum subcooling ; TM ; [机] maximum subcooled temperature
最小过冷度 [机] Minimum subcooled temperature
过冷液体 overcooled liquid ; [制冷] subcooled liquid
开阀过冷度 [制冷] Subcooled temperature of open valve
关阀过冷度 [制冷] Subcooled temperature of close valve
过冷水 [气象] subcooled water ; super-cooled water ; [气象] supercooled water
过冷的 [物] supercooled ; [物] undercooled ; supercold ; surfused
过冷却 undercooling ; overcooling ; surfusion
In order to solve the problem of supercooling and phase segregation of sodium acetate trihydrate during solidification,it is necessary to add appropriate nucleating agent and thickeners.
为改善储热材料三水醋酸钠凝固过程中存在的过冷和相分层问题,必须添加合适的成核剂和增稠剂。
参考来源 - 储热材料三水醋酸钠的添加剂评选与优化实验研究The Avrami exponent(n),crystallization rate parameter(Z_c),crystallization activation energy(E_c) and supercooling degree(T) of aliphatic polyesters were obtained. The results show that the crystallization behavior of aliphatic polyesters strongly depends on the content of ester group.
结果表明,脂肪族聚酯中酯基的含量决定了其结晶特性,脂肪族聚酯的过冷度随酯基含量的降低而降低,而结晶速率随酯基含量的降低而升高。
参考来源 - 脂肪族聚酯结晶特性与分子结构的关系The influence of stability,corrosion,phase segregation,sub-cooling,and encapsulation of phase change materials on heat storage,were also presented.
同时指出了相变蓄热材料的稳定性、腐蚀性、相分离、过冷及封装特性对蓄热的影响。
参考来源 - 相变蓄热材料及其在暖通空调领域中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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