By comparing the methods of settling experiment and fluidization experiment, it can be considered that the method of fluidization experiment by sampling in cone-shaped tube is a better one at present.

• 非均匀颗粒群体沉降现象在自然界相当普遍,本文分析非均匀颗粒群体沉速的试验方法,比较各种沉降试验和流态化试验,得到认识:深度取样锥体筒流态化法是目前较好的试验方法。