It relates the pressure, volume, and temperature together.
它把压强、体积、温度联系在一起。
Most processes that we're concerned with will happen with something held constant like pressure or temperature or volume.
我们关心的大多数过程都是在保持压强、温度或体积不变的情况下发生的。
You know how pressure changes with temperature at constant volume if you know the equation of state.
如果你知道状态方程,知道在体积恒定的时压强如何随着温度变化。
That is, most processes that we're concerned with, they'll happen with something held constant like pressure or temperature or maybe volume.
这句话是说我们所关注的大部分过程,发生的时候都是保持某个量为常数,比如压强,温度或者体积。
We could just collect a bunch of data. For a material .What's the volume it occupies at some pressure and temperature?
对一种物质我们可以得到一系列测量数据,在给定的温度和气压下,它的体积是什么?
OK, now what we'd like to do is be able to calculate any of these quantities in terms of temperature, pressure, volume properties.
现在我们想要做的是能够利用,温度,压强和体积的性质,计算上面的物理量。
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