3

Probing Into Design Of Refuge Chamber System In Coal Mine

Year:
2011
Language:
english
File:
PDF, 1.41 MB
english, 2011
27

Study on Risk Analysis and Control Technology of Coal Bump

Year:
2012
Language:
english
File:
PDF, 149 KB
english, 2012
29

Experimental Study of Different Gases on Permeability of Tectonic Coal

Year:
2011
Language:
english
File:
PDF, 531 KB
english, 2011
31

Research on the Double Loop Control Model of Risk Management in Coal Mine

Year:
2011
Language:
english
File:
PDF, 347 KB
english, 2011