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- W2389191192 abstract "The indicator gases,released from the coal earlyoxygenolysis under the mined area in coalmines,are often difficult to detect accurately due to its low concentration. The introduction of adsorption technique in this paper could enrich the indicator gases from the airstreams under coalmine. So,it solve the problem resulted from both the low concentration of hydrocarbon gases,especially alkene gases,and the poor sensibility of original analytical method,which often troubled engineers to predict the situation of coal spontaneous combustion under coalmine. Therefore,the detectable temperature for ethylene and propene could be lowered 60 ℃ and 90 ℃,respectively. At the same time,some quantitative relations,such as the generatingrate of the indicator gases with coal temperature and alkene/alkane ratio with temperature,were also determined. Based on the correlations,it is possible to judge the thermal situation during the course of coal earlyoxygenolysis accurately." @default.
- W2389191192 created "2016-06-24" @default.
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- W2389191192 date "2003-01-01" @default.
- W2389191192 modified "2023-09-25" @default.
- W2389191192 title "Determination of indicator gases in coal spontaneous combustion using the adsorption technique" @default.
- W2389191192 hasPublicationYear "2003" @default.
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