Zobrazeno 1 - 2
of 2
pro vyhledávání: '"KOU Li-we"'
Publikováno v:
Gong-kuang zidonghua, Vol 36, Iss 6, Pp 38-40 (2010)
According to the characteristics of different symbolic gases produced in different periods of spontaneous combustion of coal, gas chromatography was applied to make qualitative and quantitative analysis for gas samples in mined-out area of one coal m
Externí odkaz:
https://doaj.org/article/7578cfb63272447ea551709c7384eff2
Publikováno v:
Gong-kuang zidonghua, Vol 37, Iss 1, Pp 75-78 (2011)
The paper analyzed dust source and dust generating characteristics in fully mechanized face and emphatically introduced methods of spraying for dust suppression applied in processes of shearer mining, support moving, coal caving, crusher working, coa
Externí odkaz:
https://doaj.org/article/11e7723f575c43e9bb182f5c942d54c7