介绍并分析比较了竖直振动条件下巴西坚果效应与反巴西坚果效应形成的机制和转化条件,以及水平振动下颗粒的分离现象,提出一些意见和建议.
Brazil-nut effect and its reverse in the vibration and the corresponding theories are shown. The deficiency of these theories is analyzed. Some suggestions for solving the problem existing in the theories are proposed.