模型利用径向扩散，辅料络合作用和晶体药物的溶出度来表征多个动力学运输和络合过程。
The model characterizes many dynamic transport and complexation processes that include radial diffusion, excipient complexation and crystalline drug dissolution.
根据飞行控制要求，考虑了影响较大的气动力和气动力矩因素，建立了一个完全表征大机动情况下弹头运动的非线性动力学模型。
According to the demand of flight control system, a nonlinear dynamics model with considerable aerodynamic forces and moments for a large maneuver re entry missile head is built.
在此基础上，建立了以粒度表征的煤粉碎动力学方程，用以反映粒度大小在粉碎过程中的变化特征。
Based on this knowledge, the grinding kinetic equation of coal characterized by particle size is presented. It can reflect the variation of particle size of coal during the grinding process.
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