The effect on gas drainage in Huaibei mine area are introduced,the suitable method and design for gas drainage under geological conditions in Huaibei mine area and the experience in gas drilling are drawn.

Directional Drilling for Methane Drainage in Advance of Mining;

Controlling measures of methane and coal dust and ventilation method in fully mechanized excavation face;

Integrated control technology for methane in mining faces;

The Analysis of Geological Factors to the Existence of Coal Gas in the Sunan Coal Mining Area and Xutuan Coal Field;

Dilution process of the coal gas in the laneway with pressured-injection ventilation and extracted methods had been analyzed comparatively.

Influence factors of mine gas hydrate formation in surfactant solution containing coal;

Design and practices on network system of wireless sensors for mine gas monitoring and measurement;

Design on wireless sensor network for mine gas measurement;

Key issues of coal and gas co-mining in thick seam;

Theoretical research on propagation law of acoustic emission wave in coal seam containing gas;

Prediction of gas emission time series based on W-RBF;

Relation between the circle air and gas concentration;

Forecast of coalmine gas concentration based on the immune neural network model;

The paper introduced composition,working principle,design of hardware and software of a monitoring system of gas concentration based on AT89C2051 single-chip microcomputer and VB6.