Study on spontaneous combustion characteristics of coal under thermo mechanical coupling.

Sci Rep · 2024 · PMC11685775 · PMID 39738629

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an increasing trendno p-value reported

With the increase of pressure, pores in coal are connected with each other, so the specific surface area and average pore diameter in coal show an increasing trend.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.