Joule-Thomson coefficient

例句：

1. 1. The coefficient of thermal expansion for this material is quite low, which makes it ideal for use in heat exchangers.
   这种材料的热膨胀系数很低，因此非常适合用于热交换器。
2. 2. In the study of quantum mechanics, the Joule-Thomson effect is a fundamental principle that governs the behavior ofmatter under extreme conditions.
   在量子力学研究中，焦耳-汤姆森效应是一个基本的原理，它控制着物质在极端条件下的行为。
3. 3. The coefficient of thermal conductivity is used to calculate the efficiency of heat transfer in various engineering applications.
   热导率系数用于计算各种工程应用中的热传递效率。