In other words, what matters here in changing the pressure volume product? 换句话说,在改变压强和体积的乘积时,发生了什么?
The additional change due to changing pressure volume is certainly measurable. 由于压强和体积的改变带来的,附加变化无疑是可以测量的。
And we combine this with first law, which for the case of pressure volume changes we write as this. 结合第一和第二定律,对于压强体积功我们可以这样写。
Adequate selection of high-low pressure volume ratio of double-stage refrigeration compression system 合理选择双级制冷压缩的高低压容积比
So for the reversible process, the work done is the integral under the pressure volume state function, the function of state. 对可逆过程,做的功,是压强体积态函数曲线下,的积分面积。