Results 111 to 120 of about 27,132 (199)

Experimental study of the effect of coal dust on the flame dynamics of partially premixed gas-coal dust explosion in a vertical pressure relief pipe-line

open access: yesThermal Science
To further study the gas-coal dust explosion hazards under complex conditions. Experiments were conducted in pipe-line systems containing explosive pipe-line and pressure relief pipe-line. The effect of coal dust concentration and particle size on the flame dynamics of gas-coal dust explosion was investigated.
Chuang Liu   +3 more
openaire   +1 more source

Fossil Fuels: Coal [PDF]

open access: yes
This lesson provides an introduction to the use of coal as an energy source. Topics include the history of coal usage, applications of coal as an energy source, and major suppliers of coal (the United States).
John Pratte
core  

Research of Integrated Method of Prevention and Control of Gas

open access: yesGong-kuang zidonghua, 2011
The paper analyzed ratios between death toll in mine gas accidents and death toll in mine disasters, namely ratio is 69.5% between death toll in serious gas accidents in which death toll is over 10 and death toll in mine disasters and ratio is 65.4 ...
SUN Ji-ping
doaj  

The media and advertising : a table of two-sided markets [PDF]

open access: yes
Media industries are important drivers of popular culture. A large fraction of leisure time is devoted to radio, magazines, newspapers, the Internet, and television (the illustrative example henceforth).
Jean J., GABSZEWICZ, Simon P., ANDERSON
core  

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