Adiabatic temperature changes testing is one of the most important way to evaluate the cooling ability of the material.
评价一种磁性制冷材料的性能好坏，对其进行绝热温变测试是很重要的一步。
The samples' structures were characterized by using powder-X-ray diffraction (XRD) and the samples' morphologies were observed with SEM and the adiabatic temperature changes were determined directly.
用粉末X射线衍射表征材料的相组成，用扫描电镜(SEM)观测样品形貌，用直接法测量材料的绝热温变。
And you already saw last time there was this relationship between the temperature and volume changes along an adiabatic path.
是条绝热路径，而上次你已经看到，沿着绝热路径温度和体积，的变化有这个关系。
And you already saw last time there was this relationship between the temperature and volume changes along an adiabatic path.
是条绝热路径，而上次你已经看到，沿着绝热路径温度和体积，的变化有这个关系。
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