"Structure-stratigraphy analysis" is a new method used in the study and prediction of and small-scaled structures in coal mines. The object of this method is co
Subjected to various stochastic factors, surface mining engineering reliability is difficult to solve by using general reliability mathematical method. The conc
Microlatex particles of emulsion explosives determined by microphotography were studied with the law of logarithmic Gauss normal distribution, and results obtai