| 1. | This is a process for which the principle of the conservation of mechanical energy holds .
这是一个能够应用机械能守恒原理的过程。 |
| 2. | In order for energy to be conserved, the final total kinetic energy must be greater than the initial by this amount .
要符合能量守恒原理，末总动能必须比初动能大这么多。 |
| 3. | The principle of conservation of momentum holds whatever the nature of the internal forces, conservative or not .
动量守恒原理则不管内力的性质如何（保守的或非保守的）都能适用。 |
| 4. | Principle of conservation of momentum
动量守恒原理 |
| 5. | Principle of conservation of energy
能量守恒原理 |
| 6. | Principle of momentum conservation
动量守恒原理 |
| 7. | Principle of conservation of area
面积守恒原理 |
| 8. | Principle of mass conservation
质量守恒原理 |
| 9. | Method using of law of conservation of energy , the heat exchange equation between man and environment was built , and the factors that can affect the heat balance of human body were discussed
方法利用能量守恒原理建立人与环境热交换方程，并根据不同热交换途径以及影响散热的因素建立相关方程。 |
| 10. | A mathematical model for the particles layering growth is developed based on the mechanism of layering growth and law of conservation of mass . a formula for calculating the particle diameter was also deduced
依据颗粒层式成长机理，根据物质守恒原理建立了颗粒层式生长的数学模型，提出了粒径长大的计算式。 |
