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Asymptotics for continuous lifetime distributions with polynomial failure rate with an application in reliability
Continuous lifetime distribution Polynomial failure rate Delta method Testing Confidence interval Computer algebra
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2012/4/15
This paper is a continuation of work reported by Csenki (2011 [1]), where the coefficients of a polynomial failure rate function of a continuous lifetime distribution were expressed in terms of deriva...
The influence of gas storage parameters on gas emission rate from borehole
Borehole Gas flow rate Gas storage Original gas pressure Permeability coefficient
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2012/3/31
Gas emission rate from borehole is one of the most important indexes for the coal and gas outburst prediction. The mathematical model of gas flow in the coal seam, gas flow into the measuring chamber,...
Experimental study on oxygen consumption rate of residual coal in goaf
Goaf Coal Spontaneous combustion Heating and oxidizing Oxygen consumption Granularity
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2012/3/28
In order to research the actual oxygen consumption rate of residual coal in goaf, the heating and oxidizing experiment was conducted respectively on five types of single particle size of coal samples ...
The relationship between oxygen consumption rate and temperature during coal spontaneous combustion
Spontaneous combustion Oxygen consumption rate Heating and oxidation Critical temperature
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2012/3/31
Spontaneous combustion is a major natural disaster in coal production. In the process of exploring coal self-ignition, a series of hypotheses have been put forward, most scholars agree that the curren...
Influence of super-absorbent polymer on the growth rate of gas hydrate
Coal mine methane separation Gas hydrate Induction time Growth rate SAP
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2012/3/31
The growth rate of hydrate and morphology of methane hydrate formation were studied in a visual pressure cell at 5.5 MPa. The gas hydrate formation was carried out (coal mine methane (CMM) + tetrahydr...