The effects offineness, particle appearance and adding amounts on the strengths of cement and concrete as well as the concrete rheological behavior are studied in this paper.
本文研究了粉煤灰细度、颗粒形貌及掺量对水泥和混凝土强度及混凝土流变性能的影响。
2
In flotation test and production it is often the case that, the finenessof milling material is overstressed while the effect of its particle size composition on the flotation neglected.
浮选试验及生产过程中，人们往往过多强调入选物料的细度，而忽视了入选物料的粒度组成对浮选过程的影响。
3
Feeding, tabletting, granulating speed, the pressure, and particlefineness are all adjustable. Granulation cage is improved to increase the yield of particles.