The Intensity of heat output of coal,the rate of oxygen consumption and the influence function of coal size are tested by the big coal spontaneous combustion ex
In this paper, on the basis of the analysis of the current situation of the mine floor flood and the consultation system study, the overall design and structure
On the basis of the analysis of coal-bed pressure in deep mine,and the coalbed permeability(k) and the characteristic of adsorption parameter(b)changing with te
The attenuation regularity of explosion stress waves in damaged rocks is discussed according to physical and geometric attenuation of waves in this paper. The r
The characteristic of coal spontaneous, combustion includes oxidative property and exothermic capacity. It can really simulate the process of coal spontaneous c
The software system, hardware system and performance principle of the gas detector were briefly described. A new method was developed for orientating and calibr
By using image recognition technology, the underground bin level can be detdcted. The bin image is noised by vibration, atomy, backgroun and so on. The image restoration and image mathematical morphol