Geldart classified particles into four groups by the particlesize and its characteristics.
吉尔达特根据颗粒大小及其特性将颗粒分为四组。
2
The experiments verify that this method is capable of detecting micrometer - sizeparticle.
实验显示该测量方法可以进行颗粒计数和粒径大小的测量。
3
The computer experimental scheme to simulate the plasma particle is de-signed. The simulation result shows the effects of finite—sizeparticle and time difference on dispersion relation.