Performance and analysis of a planetary vibration mill D. Lu andS. Wei 81
Dispersion of fine mineral particles in water S. C. Lu, S. X. Songand Z. F. Dai 89
Critical velocity of air-solid two-phase flow in a verticalpipe Y. Morikawa and N. Sigita 97
An analysis of periodic discharge of powder from a cylindricalvessel A. Takami 103
Particle mixing and segregation in a moving fluidized bed under theeffect of a magnetic field M. Shao and M. Kwauk 111
Effects of the conformation of polyacrylic acid on thedispersion-flocculation of alumina and kaolinite fines K. F.Tjipangandjara and P. Somasundaran 119
A model to simulate the behaviour of rectangular block heaps ---I E. Li and D. F. Bagster 129
A model to simulate the behaviour of rectangular block heaps ---II E. Li and D. F. Bagster 137
A study of simulating the calculation method of the Bond rod-millwork index Z. Chongbo and C. Bingchen 145
