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Gas drainage and utilization in coal mines in China: History, technological advances, and prospects
Published 2025-01-01“…In combination with the differences in geological conditions of gas in varying mining areas, three typical gas drainage modes have been formed: the surface-underground combined gas drainage mode through “four-zone linkage” in the Jincheng mining area in Shanxi Province (the new Jincheng mode), the protective layer mining mode for broken-soft and low-permeability coal seams in the Huainan-Huaibei area in Anhui Province (the Huainan-Huaibei mode), and the hydraulically enhanced permeability mode of the Songzao mining area in Chongqing City (the Songzao mode). …”
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Mechanical characteristics and load-bearing effect of roadway anchorage composite carrier
Published 2025-01-01“…Based on the bearing effect of the anchorage composite carrier, aiming at the supporting problem of the cross-layer roadway (III811 interlocking roadway) in Luling Coal Mine of Huaibei Mining Co., LTD., the support technology application based on the bearing effect of the anchorage composite carrier is carried out, the support design scheme is optimized, the supporting effect is evaluated, and the evaluation method of the supporting effect and stability of the roadway is proposed. …”
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Three-Dimensional Deformation Prediction Based on the Improved Segmented Knothe–Dynamic Probabilistic Integral–Interferometric Synthetic Aperture Radar Model
Published 2025-01-01“…In this study, the whole process of mining a working face in Huaibei Mining District, Anhui Province, is taken as the object of study. …”
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Feasibility of Water Injection on the Coal Wall of Loose Thick Coal Seam to Prevent Rib Spalling and Its Optimal Moisture Content
Published 2022-01-01“…Based on the engineering background of water injection to control rib spalling of loose thick coal seam in the Luling Coal Mine of the Huaibei Mining Group, the mineral composition and microscopic morphology of III811 loose thick coal seam in Luling Coal Mine were analyzed by X-ray diffraction and scanning electron microscope. …”
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A shallow-water oxygen minimum zone in an oligotrophic Tonian basin
Published 2025-01-01“…Here, we present sedimentological and geochemical analyses of the early Tonian Huainan, Feishui, and Huaibei groups in the Xuhuai basin of the North China craton. …”
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Spatiotemporal evolutionary patterns of the hydrochemistry of Jurassic conglomerate aquifers under the influence of curtain walls
Published 2025-01-01“…MethodsThis study investigated the Jurassic conglomerate aquifers in the Zhuxianzhuang Coal Mine, Huaibei coal field. Based on the statistics of conventional hydrochemical composition, Piper diagrams, ion combination proportions, and principal component analysis (PCA), this study explored the impacts of curtain walls on the hydrochemistry of the aquifers and determined the spatiotemporal hydrochemical evolutionary patterns under the influence of the curtain walls. …”
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Experimental study on thermal conductivity and microscopic characterization of sandy clay in deep buried formation
Published 2025-02-01“…To address the challenge of freezing the deeply buried sandy clay layer using the freezing method in the drilling wells of the Huainan-Huaibei mining area, experimental research was conducted on the thermal conductivity of sandy clay and its microstructure. …”
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Numerical simulation on the stability of roadway surrounding rock in the end coal drawing area
Published 2024-12-01“…To address the significant of top coal loss due to the absence of coal drawing at the end of fully mechanized top-coal caving faces, this study established a two-dimensional numerical model with the Yuandian No. 1 Mine of Huaibei Mining Group as an example for analysis. Specifically, we analyzed the dynamic variations and characteristics of the displacement field and force chain field of the coal-rock mass during the end coal drawing process. …”
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Outburst mechanism and hazard prevention technique of limestone aquifer under isolated island panels
Published 2025-01-01“…Meanwhile, we take the coal mining of the isolated island shaft in the Zhuzhuang colliery, Huaibei mining area, as an application case and propose the key technique of limestone water disaster prevention and control. …”
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Versatile nitrate-respiring heterotrophs are previously concealed contributors to sulfur cycle
Published 2025-01-01Get full text
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