催化剂自由堆积密度
freely settled density of catalyst
颗粒堆积密度
packing density of particles
packing density of particle
线性堆积密度模型
linear packing density model
自密实堆积混凝土
self-compacting fill concrete
Mingos的高核密堆积簇合物电子计数规则
Mingos’ electron counting rule for high nuclearity