The evaporation of raindrops falling below the cloudbase is an important physical process, especially under the condition of low relative humidity below cloudbase.
云下雨滴蒸发是雨滴下降过程中重要的物理过程，特别是当云下相对湿度较低时更为明显。
2
A concise physical picture is furnished by chemical potential curve about the law of phase equilibrium, saturated vapour pressure of curved liquid surface, evaporation and condensation etc.
通过曲线描述，提供了关于相平衡、弯曲液面饱和蒸气压以及蒸发、凝结等规律比较直观的物理图像。
3
Physical method, including thermal evaporation and magnetic sputtering, and chemical coating method are applied to prepare organic-inorganic composite chromotropic film.