The Modifying of Van der Waals volume value is an important direction to improve the calculation precision of equation of state(EOS), with the development of EOS, many modification methods of Van der Waals volume value had appeared.

• 对范德瓦尔斯体积项的修正一直是提高状态方程计算准确度的方向之一 ,随着状态方程的不断发展 ,对其体积项的修正方法也在不断的出现。