这个新方法是建立在一套完整的守恒方程基础之上的，它包括了质量守恒、动量守恒、化学组分守恒、质子和电子守恒、水容量在交换膜中的守恒等。
This new method is established based on a complete set of conservation equations , including equations of mass , momentum , species concentrations , electron and proton transport , and water content in the membrane .
质子守恒