The problems are set up so that, if you start down the right path, it should be pretty straight-forward to work it through If you start down a plausible but incorrect path, you can sometimes find yourself stuck in the weeds somewhere, and we want to bring you back in.
问题提出了,如果你从,一开始就走正确的道路,解决的途径,就一目了然了,如果你走上一条貌似正确但实际错误的道路,你会在某时某刻,发现自己陷入泥沼,于是我们就会把你拉回来。
And the path that I'm describing then, let's assume that we're raising the temperature up is this path right here.
经过一个,等压过程,路径就是这样。
There's a continuous path from the outside world right through the intestine.
从体外经由肠道的路径,是一条连贯的通道
All right, so I need to tell you the path, when I go from one state to the other.
好,当我从一个状态过渡到另一个状态时,我需要告诉你们路径。
All right, so when you do a problem, the path is going to turn out be extremely important.
好,当你解题时,路径会变得,极其重要。
So again, for both heat and work we don't get the same result. Now let's look at our special function, right. So here's path A.
所以,再一次说明,对于热量和功,我们得到的结果是不同的,现在让我们看看我们的特殊函数。
This depends on the path. It tells you right here the path is constant pressure. These don't depend on the path, right. V doesn't care how you v get there. u doesn't care how you get there.
这由变化的具体路径决定,这个小脚标表明过程是恒压的,这些量都与具体路径无关,即不管是通过什么路径使得体积变化为Δ
It would've been easier, but I wanted to go through the whole path right?
简单许多,但是我希望研究整个循环路径?
All right, let's complete the cycle now, 3 the path number 3 here.
最后,来看路径。
All right, because energy doesn't care about the path.
与路径无关,只决定。
So if you need the help of the notes it's in there but I would urge you to work through it on your own, and it's the following: let's start with the same path A, all right?
如果你需要帮助,可以去看讲义,但我还是希望你们自己去推导它,它是这样的,让我们从:,相同的路径A开始,好吗?
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