coal mining structur

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Structural characterization and macromolecular structure

2023年10月7日 The structure of coal is closely related to its adsorption and reactivity properties, therefore coal structure is one of the main topics in coal chemistry research.

Evaluation of Coal Body Structures and Their Distributions by ...

2021年2月22日 The coal body structure is one of the key parameters in the exploration and exploitation of coalbed methane (CBM). Accurate identification of the structure of a

An open database on global coal and metal mine production

2023年1月24日 The global mining sector has undergone rapid growth in the past two decades, with global production of mineral fuels, metal ores and industrial minerals

On strata damage and stress disturbance induced by coal mining

2023年9月19日 Extensive studies have been conducted on the movement of overlying strata when a single coal seam is mined. However, structural characteristics and

Review and Challenges in the Geophysical Mapping of Coal Mine

2022年3月17日 Generally, the water-bearing structures of coal mines mainly include coal seam, roof, coal seam, floor, and goaf, while the main water-conducting structures

Structural characterization analysis and macromolecular model ...

2023年9月1日 This paper gives insights into the acquisition of characterization parameters of coal molecular microstructure by testing and analyzing the long flame coal from

Research on Mechanisms and Precursors of Slip and Fracture of

2022年1月16日 The bifurcation of coal seams is a universal geological structure in coal mines, and the special structure of rock parting intruded into coal can lead to a slip of

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