Analysis on induced factors of pressure bump occurred in deep mine roadway of Zhaogezhuang Mine;

Based on the discussing of the geological condition of natural environment in Henan Provinvce,the authors have systematically expounded the developmental types,distributing features,induced factors and harmful degrees of main geologic disaster,predicted development trend of geologic disaster,and put forward the corresponding measures of the prevention and control in this paper.

Case-control Study on the Pathogenic Factors of Chronic Fatigue Syndrome;

Objective: To analysis the clinical diagnosis and pathogenic factor in order to accumulate the materials of leukemia for prevention and crue.