To study the change of particle size distribution, a general dynamic equation is established based on the moment method and the assumption of a reasonable log-normal size distribution.
通过对颗粒的分布作出一个合理的对数正态分布假设，运用矩方法求解颗粒的通用动力学方程，来研究颗粒的尺寸分布情况。
Based on the particles aggregation coefficient calculated by the binary collision-aggregation model, the total particle removal rate was simulated by solving the particle General Dynamic Equation.
采用二元碰撞聚并模型计算了粒子在均匀磁场中的聚并系数，在此基础上求解了粒子聚并动力学方程，预测了粒子的聚并脱除效率。
Hereafter, the general rate is determined by the diffusing rate in the exterior surface layer of the particle, which accord with lst-grade dynamic differential equation.
此后，总速率由颗粒外表层内的扩散速率决定，符合一级动力学微分方程。
Optimal strategies are obtained with an abstract form in general cases via HJB equation which is derived from dynamic programming principle and stochastic analysis.
给出了财富预算方程，运用动态规划原理及随机分析导出该问题的HJB方程，并由此得到一般情形下抽象形式的解。
Based on strict deduction and demonstration, the steam water distribution general matrix equation of thermal dynamic system for the coal fired power unit is given for the first time.
通过严密的推导论证，首次给出了火电机组热力系统汽水分布的通用矩阵方程。
Based on strict deduction and demonstration, the steam water distribution general matrix equation of thermal dynamic system for the coal fired power unit is given for the first time.
通过严密的推导论证，首次给出了火电机组热力系统汽水分布的通用矩阵方程。
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