Pore Size Distribution and Fractal Characteristics of Deep Coal in the Daning-Jixian Block on the Eastern Margin of the Ordos Basin.

(3) D 1 , D 2 , and D 3 within the same sample, except for the relatively reduced D 2 for samples 20–8 and 20–10, exhibited an increasing trend for the other four samples.

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The comprehensive fractal dimension, which exhibited a decreasing trend with increasing pore volume and specific surface area, was negatively correlated with burial depth, mineral and moisture contents, and ash and volatile component yields, while it was positively correlated with vitrinite and fixed carbon contents. status released display-pdf yes is-olf no is-manuscript no is-preprint no is-journal-matter no is-scanned no is-retracted no Received 2024 Apr 11; Accepted 2024 Jul 16; Revised 2024 Jul 11; Collection date 2024 Jul 30. 1.

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