particle packing density 颗粒聚集密度
packing density of particle 颗粒堆积密度
improved particle bio-packing 新型颗粒生物填料
particle and powder packing 颗粒及粉末堆积
The effects of relative particle diameter and particle volume fraction on the packing density of particles mixtures were discussed by granule packing model.
采用颗粒堆积模型，讨论了矿物掺合料颗粒的相对粒径、体积含量对颗粒混合物体系堆积密实度的影响。
By using particle dense packing theory, the influence of particle size distribution of cementitious material on microstructure and strength of cement gel were discussed in this paper.
根据颗粒紧密堆积理论，探讨胶凝材料的颗粒级配对水泥凝胶体微观结构及强度的影响。
A discrete particle swarm algorithm for the rectangular strip packing problem is presented.
提出了一种基于离散粒子群优化算法求解矩形件排样问题的方法。
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