Effect of oxidation temperature and oxygen concentration on macro characteristics of pre-oxidised coal spontaneous combustion process
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DOI: 10.1016/j.energy.2021.120431
Abstract: A B S T R A C T Coal fire disasters occur frequently in exposed or underground coal zones or gobs, which usually triggered by pre-oxidised coal spontaneous combustion (PCSC). The thermal mass loss characteristics… read more here.
Keywords: pre oxidised; oxidised coal; raw coal; oxidation temperature ... See more keywords
Impact assessment of a raw coal ban on maternal and child health outcomes in Ulaanbaatar: a protocol for an interrupted time series study
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DOI: 10.1136/bmjopen-2022-061723
Abstract: Introduction Despite a decade of policy actions, Ulaanbaatar’s residents continue to be exposed to extreme levels of air pollution, a major public health concern, especially for vulnerable populations such as pregnant women and children. In… read more here.
Keywords: health; protocol interrupted; coal; coal ban ... See more keywords
Co, N, S Tri-Doped Carbon as an Effective Electrocatalyst for Oxygen Reduction Reaction Prepared from High-Sulfur Raw Coal
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DOI: 10.1149/1945-7111/ab6fed
Abstract: A class of non-precious metal Co, N, S tri-doped carbon (Co/NSC) electrocatalyst for oxygen reduction reaction (ORR) is synthesized from earth-abundant high-sulfur inferior raw coal as the single N, S and C precursor by a… read more here.
Keywords: doped carbon; high sulfur; raw coal; coal ... See more keywords
Comparative Study on the Seepage Characteristics of Gas-Containing Briquette and Raw Coal in Complete Stress–Strain Process
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DOI: 10.3390/ma15186205
Abstract: In this study, triaxial compression and seepage tests were conducted on briquette and raw coal samples using a coal rock mechanics-seepage triaxial test system (TAWD-2000) to obtain the complete stress–strain curves of the two samples… read more here.
Keywords: gas; stress strain; coal; complete stress ... See more keywords