Analysis on the Loss Quantity of Coal Resources in Datong Coal Mine and the Countermeasures for Increasing the Recovery Ratio;

Taking Datong Coal Mine as the example, this paper introduces various factors influencing the safety in production of the powdery emulsive explosive, and puts forward some measures for the safety in production of the powdery emulsive explosive.

During the Anti-Japanese War period,the Japanese invader,s grabbed the mineral resources from the Mengjiang area,especially from Longyang Iron Mine and Datong Coal Mine.

Thinking of Lowing the Materials Storage on Datong Coal Mine Group Co.;

Thinking and Tentative Ideas for the Datong Coal Mine Group Co. to go into the International Market;

Investigation into coal-gas outburst occurred in Daping Coalmine, by using theories of gas-geology;