The fundamental principle and the method of coal crag of coal blending were studied.

Experimental study on acoustic emission characteristics of coal rock at different confining pressure

This article has studied the coal rock′s destructive form and the destructive mechanism under uniaxial compression from macroscopic angle.

Performance targets of physical mechanics of coal rock was tested systematically in fifth and sixth coal seams of Yangzhuang coal mine and analyzes in detail performance features of physical mechanice of coal rock,studys relations bettween each performance,brings to light internal inner of them provides seientific evidence for design of coal mine.

Discussion of Jurassic coal-forming environments using fossil biomarkers in soluble organic matters from Tarim Basin;

Pyrolysis characteristics of macerals from Antaipu coal;

Test study on permeability properties of coal specimen in complete stress-strain process;

The theoretical study on water's driving gas displacement as for double medium of coal petrography;

The application of coal petrography technology in coking coal blending makes the blending method more effective and the prediction of coke quality possible, which creates condition for the qualitative experiential coal blending being developed into a scientific quantitative one.

The development of using coal petrography blending in steel enterprises from early time to present-day as well as the more mature coal petrography blending methods existing in our country and outside is summarized,and point out that the coal petrography blending in our country should be developed deeply in the future.

Theoretical research on electric magnetic radiation coupling of coal and rock rheid;

The ZMJ-1 equipment of determining anti-cutting intension of coal and rock used in coal-mine underground;

Experimental and theoretical study on nonlinear damage model of coal and rock