Effects of Moisture and Associated Pyrite on the Microstructure of Anthracite Coal for Spontaneous Combustion.

ACS Omega · 2020 · PMC7594333 · PMID 33134724

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a decreasing trendno p-value reported

The aromatic ring C=C structure in each coal sample generally demonstrated a decreasing trend with the increase of temperature, and the decreases in the intensity changes were −0.0194 to +0.0203, −0.0211 to +0.0219, −0.0211 to −0.0216, +0.0056 to −0.0033, and −0.0497 to −0.0465.

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