1. Solids entrainment in a large gas fluidized bed
2. Zhang Qi et al., in Proc. CIESC/AIChE Joint Meeting, p. 374, Chemical Industry Press, Beijing, 1982; in Fluidization' 85, Science and Technology, M. Kwauk et al., eds., p. 95, Science Press, Beijing, 1985.
3. Fluidization IV;Morooka,1983
4. Holdup and flow pattern of solid particles in freeboard of gas—solid fluidized bed with fine particles