du, it's an ideal gas. So this is Cv dT and of UB course we can just integrate this straight away.

因此这是CvdT，当然我们可以,直接算出这个积分，那么△

麻省理工公开课 - 热力学与动力学课程节选

dq=0 But if it's adiabatic, then dq is equal zero, du=dw and for an adiabatic process, then du is equal to dw.

但如果它是绝热的，那么，因此对于绝热过程。

麻省理工公开课 - 热力学与动力学课程节选

du=0 Delta u sub 3 is, for an ideal gas.

就是。

麻省理工公开课 - 热力学与动力学课程节选

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