principle of conservation of mass

This paper reports a derivation of distribution by applying maximum entropy principle and conservation laws of mass, momentum and energy to atomization process.

论述了应用最大熵原理及质量、动量和能量守恒定律到喷雾过程中，导出了液滴尺寸和速度分布规律。

Based on principle of mass conservation, this paper sets up mathematical model of gas water two phase steady flow.

从渗流力学的基本原理出发，基于质量守恒原理，建立了气水两相地层稳定渗流的数学模型。

According to the conservation principle of mass and heat, through long-term observation of the water in different recharge sources, the sources and proportion of pit water can be determined.

根据质量和热量守恒原理，通过对不同补给水源进行长期观察，可确定矿坑水的补给源及其比例。