According to overall mean square root of weighted deviation, a significant method of selecting coal mine production technique strategy has been put forward in t
This paper analyzes the reasons of the tension unbalance of the ropes in multi-rope friction winder, introduces the method of an on-line monitoring rope tension
Wetting Heat of various ranks of coals in water was measured by using SETARAM C80D Calorimeter. The data were correlated to coals' slurryability which is ch