The sulfur occurrence,content and genetic feature in the main coal seams,Buya Coal Mine,are analyzed with the macroanalysis,microanalysis and coal chemical m ethods.

Research on the F4 shear-zone coal wall extraction in Lingquan open-pit coal mine;

Overall dynamic optimization of production schedule in open-pit coal mines

Heidaigou open-pit coal mine: mine water prevention and discharge measures

Study on Ecological Rehabilitation of Opencast Coal Mine and It's Ecological Effects in the Hilly and Gully Area of the Loess Plateau;

Study on Application Dragline Overcastting System to Heidaigou Opencast Coal Mine;

Orthogonality analysis of sensibility on factors of slope stability in opencast coal mine

Influence adaptability of dragline to variation of coal seam thickness during mining operation period of large surface coal mine;

Some production-technical problems in Chinese large surface coal mines were analyzed.

It is difficult to select the optimal coal haulage system under the condition of this surface coal mine with thick overburden, thick coal seams and a relatively short working line.

Grey Associated Analysis of the soil condition on surface mine dump;

First, it is introduced that the large landslide on the south dump of Antaibao surface mine in Pingshuo on Oct.

The obtained results have significance for analyzing the spontaneous mechanism of coal in surface mines and predicating the position at which coal spontaneous combustion will occur.