"Historically it's one of the most important parts of the period of World War II in France,the roundup - the rafle du Vel dHiv - is a symbol of collaboration between the French police and the German occupying authorities."

VOA: standard.2010.04.10

dU=-pdV So du is just minus p dV.

于是。

麻省理工公开课 - 热力学与动力学课程节选

I was just yesterday-- I gave a talk in Montreal at the Caisse de Dep?t,et Placement du Quebec, which is the big wealth management fund for the Province of Quebec.

昨天，我刚在蒙特利的魁北克储蓄投资集团,做了一个讲演，这个投资集团是魁北克省的,一所大型财产管理基金机构。

耶鲁公开课 - 金融市场课程节选

but right now you're going to have to take it for granted. So, if the Joule-Thomson coefficient is equal to zero, just like we wrote, du = Cv dT du = Cv dT for an ideal gas, we're going to dH = Cp dT have dH = Cp dT for an ideal gas as well.

但是现在请你们应该把它看成理所当然的,所以，如果焦耳-汤姆逊系数等于零,就像我们写的，对于理想气体,我们也可以得到对于理想气体。

麻省理工公开课 - 热力学与动力学课程节选