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一定质量的理想气体在温度不变时，其压强ｐ与体积Ｖ成反比，可写成ｐ＝ＣＶ．对等式中的变量求微分有：ｄｐ＝－ＣＶ２ｄＶ．此式表示一定质量的理想气体由某一初始状态（ｐ，Ｖ）经过一微小的等温变化过程到另一状态时，其压强的增量ｄｐ与体积的增量ｄＶ的关系．若只考...
When a certain mass of ideal gas is at a constant temperature, its pressure p is inversely proportional to volume V and can be written as p=CV. The differentials in the equations are differentiated by: dp=-CV2dV. This equation represents the relationship between the pressure increment dp and the volume increment dV of a certain mass of ideal gas from an initial state (p, V) through a slight isothermal change process to another state. If only exam...