supercooling

简明释义

英[ˌsuːpərˈkuːlɪŋ]美[ˌsuːpərˈkuːlɪŋ]

n. [热]过冷

v. 使过冷（supercool 的现在分词）

英英释义

单词用法

同义词

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例句

1.The defects such as growth striation constitutional supercooling, stress and dislocation are also dis-cussed in the paper.

此外还讨论了生长条纹、组分过冷、应力和位错等缺陷问题。

2.The present invention relates to a multi-component large-block amorphous alloy material with large supercooling liquid phase area and high thermal stability.

大过冷液相区与高热稳定性的多组元大块非晶合金材料，它涉及一种非晶态材料。

3.However, the well-designed condenser can reduce the condensate supercooling to the maximum.

但是，设计良好的凝汽器，可以使凝结水的过冷度降低到最大限度。

4.As-quenched material, namely supercooling material or fast solidification material. Vacuum rapidly quenched technology is a significant method of preparing amorphous and nanocrystalline alloys.

真空快淬材料也叫急冷材料或快速凝固材料，真空快淬技术是制备非晶态金属和纳米晶合金的重要手段。

5.Chondrules in the Jilin meteorite may be divided into two groups: normal rapid cooling(granular and porphyritic) chondrules and supercooling(grating and excentro-radial)chondrules.

吉林陨石中的球粒分为正常快速冷却和过冷冷却球粒两种。

6.With the increase of inlet air temperature of the condenser, evaporation pressure, condensation pressure increase, but supercooling and superheat degree, refrigerating capacity and COP decrease.

随着冷凝器进口空气温度的升高，蒸发压力、冷凝压力升高，而过冷度、过热度、制冷量和COP均线性下降；

7.The solidification modes of liquid phase of semi-solid AZ91D Mg alloy were in close relationship with the degree of supercooling determined by cooling rate.

AZ 91d镁合金半固态液相的凝固方式与冷却速度所决定的过冷度有重要关西安理工大学硕士学位论文系。

8.Freezing phenomena of water and water based slurry has been analyzed theoretically and experimentally, especially on expansion and supercooling of water and the characters of ice structure.

本文从理论和实验方面对水的冷冻过程进行了分析，讨论了结冰膨胀和过冷现象以及冰晶的生长情况。

9.The supercooling 过冷却 phenomenon can lead to the formation of supercooled droplets.

这种过冷却 supercooling现象可能导致超冷液滴的形成。

10.The process of supercooling 过冷却 allows water to remain liquid below its freezing point.

通过过冷却 supercooling的过程，水可以在其冰点以下保持液态。

11.Understanding supercooling 过冷却 is essential for improving weather prediction models.

理解过冷却 supercooling对改善天气预测模型至关重要。

12.Scientists use supercooling 过冷却 to create ice crystals in a controlled environment.

科学家利用过冷却 supercooling在受控环境中制造冰晶。

13.In the lab, we observed the effects of supercooling 过冷却 on the nucleation of ice.

在实验室里，我们观察了过冷却 supercooling对冰核化的影响。

作文

Supercooling is a fascinating phenomenon that occurs when a liquid is cooled below its freezing point without it becoming solid. This process can be observed in various substances, but water is one of the most common examples. When water is supercooled, it remains in a liquid state despite being at temperatures where it would typically freeze. This intriguing behavior raises questions about the nature of phase transitions and the conditions under which they occur.The concept of supercooling (过冷却) can be explained through the principles of thermodynamics and molecular interactions. In a typical freezing process, molecules in a liquid lose energy and begin to arrange themselves into a solid structure. However, in supercooled liquids, the molecules do not have enough energy to overcome the barrier to crystallization. As a result, they remain in a disordered, liquid state, even at temperatures that would normally induce freezing.One interesting aspect of supercooling (过冷却) is that it requires specific conditions to be maintained. For example, the liquid must be free of impurities and disturbances. In a perfectly clean environment, water can be cooled to temperatures as low as -40 degrees Celsius (-40 degrees Fahrenheit) without forming ice. This is because the absence of nucleation sites—places where ice crystals can begin to form—prevents the transition from liquid to solid.Supercooling has practical applications in various fields, including meteorology, cryogenics, and food science. In meteorology, supercooled water droplets can exist in clouds at temperatures below freezing, leading to the formation of freezing rain. These droplets can remain liquid until they come into contact with surfaces, where they instantly freeze, creating hazardous conditions on roads and sidewalks.In cryogenics, the study of materials at extremely low temperatures, supercooling (过冷却) plays a critical role in preserving biological samples and facilitating certain chemical reactions. By cooling substances to supercooled states, researchers can study their properties and behaviors without the interference of solidification.In the culinary world, supercooling (过冷却) is also utilized in the preparation of certain dishes and desserts. For instance, chefs may use supercooled liquids to create unique textures in ice creams or sorbets, allowing for a smoother consistency without the formation of large ice crystals.Understanding supercooling (过冷却) expands our knowledge of physical chemistry and the behavior of materials under extreme conditions. It challenges our traditional notions of freezing and solidification, revealing the complexity of matter at different temperatures. As research continues in this area, we may uncover new applications and insights that could revolutionize industries ranging from food production to materials science.In conclusion, supercooling (过冷却) is not just a scientific curiosity; it is a phenomenon that has real-world implications. Its study enhances our understanding of phase transitions and provides valuable information for various applications across multiple disciplines. As we continue to explore the depths of this intriguing subject, we can appreciate the delicate balance between liquid and solid states and the fascinating behaviors that emerge from this interplay.