This phenomenon is explained by free volume and viscositytheory.
用粘度和自由体积理论解释了此现象。
2
Combined with the theory of viscosity, the relationship between diffusion coefficient and activation energy is expressed.
结合粘度理论建立了分子扩散系数与活化能之间的关系;
3
However, considering the viscosity of materials and exerting load to make model test with centrifuge, similarity theory for simulating time has not yet been established.