To the Xinhuan Molybdenum Industry Company Ventilation system present situation and the transformation plan,the transformation principle carry on the detailed narration,Utilizes in the independent wind bridge solution encompassment mine ventilation of mine work the difficult problem.

Analysis and Improvement on Structure by Separate Wind Barn and Averaging Wind Pipe of DZL Hot Water Boiler;

The article use the theory of west countries independent risk,with regard to the emergence cause,environment and lyses mechanism,put forward an analysis frame,probe into the logical relationship in them,and combine with China capital market s system basic,put forward some political suggestions to China audit market s independent risk managements.

The united system of the capillary radiation cooling and independent fresh air was designed according to the cold and heat load characteristics of the construction.

Point to the complex conditions such as many faults and high gas occurance,this paper expatiated on the design method of individual ventilation system and separate system for coal and parting,and introduced the optimum layout of the production,ventilation,transportation system.