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The macromolecular structure of tectonically deformed coals (TDC) may be determined by the deformation mechanisms of coal. Alterations of the macromolecular structure change the pore structure of TDC and thereby impact physical properties such as porosity and permeability. This study focuses on structure and properties of TDC from the Huaibei and Huainan coal mining areas of southern North China....
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