Chapter six analyzes phase equilibrium and phase rule of the polycomponent system using the principle of equilibrium stability.

第六章利用平衡原理析了多组系统相平衡，相律。

Comparison experiments of water mist with polycomponent water mist,and the test on polycomponent water mist's extinguishing efficiency against ethanol and ethanol motor spirit fire were done.

进行了多组雾与雾灭火能比较,和用多组雾对汽油火、乙醇汽油火灭火能试验。