The single particle level densities, calculated with the local density approximation and Fermi gas model respectively, are used to obtain the partition functions.
利用费米气体模型和区域密度近似分别计算单粒子能级密度，通过单粒子能级密度求得中等质量碎片（IMF）的内部配分函数。
In this paper, the improved particle swarm optimization algorithm for the single level capacitated dynamic lot-sizing problem is presented. The detailed realization of the algorithm is illustrated.
本文提出了用于求解单级多资源约束的生产批量计划问题的改进二进制粒子群算法，阐明了算法的具体实现过程。
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