The amount of work you've put in to get here depends on the path. It's not a function of state.
这些量就能,决定系统的状态了。
So the system will not be described by a single state variable during the path.
因此系统将不能被,路径上的单一状态变量描述。
He repeatedly maintains that the path he has taken is not of his own choosing but the result of a divine command.
他仍不断地强调,自己所走的路子,并非他自己的选择,而是天赐的结果。
A "way" is a path, but how can there be a path if it's not trodden?
路“指的是道路,但既然是道路怎么会没有人走过呢?
If you have a real gas and you write du is Cv dT and your path is not a constant volume path, then you are making a mistake. But for an ideal gas, you can always write this. And this turns out to be very useful to remember.
对于真实气体,如果其变化过程,不是恒容的,du=Cv*dT就不成立,但对于理想气体,这条规则永远成立,这一点非常有用,请记住。
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