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421
Uniaxial Compression Creep Relaxation and Grading of Coal Samples via Tests on the Progressive Failure Characteristics
Published 2019-01-01“…The entire coal samples were divided into many thin-sheet debris via gradual collapse and shedding, and the number of cracks increased significantly, showing evident lateral expansion characteristics that are similar to the rib spalling characteristics in high coal mining working faces.…”
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422
Energy and CO2 fluxes in the early stage development of reclaimed and unreclaimed post-mining areas
Published 2025-02-01“…Our novel results show that early post-coal mining sites were net sources of CO2 but became carbon sinks on a monthly scale within four years, highlighting the rapid ecosystem recovery at both sites. …”
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423
Prediction of Fracture Evolution and Groundwater Inrush from Karst Collapse Pillars in Coal Seam Floors: A Micromechanics-Based Stress-Seepage-Damage Coupled Modeling Approach
Published 2020-01-01“…Karst collapse pillars (KCPs) frequently cause severe groundwater inrush disasters in coal mining above a confined aquifer. An accurate understanding of the damage and fracture evolution, permeability enhancement, and seepage changes in KCPs under the combined action of mining-induced stress and confined hydraulic pressure is of great significance for the early prediction and prevention of groundwater inrush from KCPs in coal seam floors. …”
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424
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425
Attribution analysis of water-sediment variation under the influence of climate change and human activities in the Kuye River Basin
Published 2024-11-01“…It is necessary to pay more attention to the combined effects of ecological restoration and coal mining activities on water resources change.…”
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426
Advances and trends of modern and contemporary research on the geology of coal-measure minerals in China
Published 2025-01-01“…It is recommended to focus on four aspects in future geological study: the precise exploration and exploitation of coal resources, the exploration and orderly production of coal-measure gas, the exploration and exploitation of critical metals, and the geological guarantee for in situ fluidized coal mining. Additionally, it is necessary to pay attention to the accumulation mechanisms and resource prediction methods for helium in coal measures.…”
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427
Investigation into the monitoring and control of mechanical dynamics in inclined mining equipment utilizing digital twin technology
Published 2024-12-01“…This study comprehensively delineates the design framework, structural features, and testing/detection methodologies of a large-scale coal mining face physical simulation system empowered by digital twin technology. …”
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428
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429
Reclaiming Subsidized Land: An Evaluation of Coal Gangue Interlayers
Published 2020-01-01“…Rehabilitation of areas impacted by subsidence following coal mining is a pressing need in eastern China, especially where availability of suitable soil material is limited. …”
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430
Failure Behavior and Energy Storage and Release of Hard Coal under Different Static and Dynamic Loading States
Published 2020-01-01“…The research results play an important guiding role in further understanding the mechanism of coal mine dynamic disasters.…”
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431
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432
Linkage control method of fully mechanized mining equipment based on thousand eyes intelligent analysis system
Published 2025-01-01“…The reliability of the intelligent fully-mechanized coal mining equipment system has gradually become the key factor restricting the intelligent safe and efficient mining of the working face. …”
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433
Removal of Cd(II) and Cu(II) from Aqueous Solution by Na+-Modified Pisha Sandstone
Published 2020-01-01“…Heavy metals have caused serious environmental issues, which are enriched during open-cast coal mining. It is urgent to develop sustainable remediation materials to protect and restore the contaminated soil and aquifers in mining areas. …”
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434
Experimental Study of the Influence of Moisture Content on the Mechanical Properties and Energy Storage Characteristics of Coal
Published 2021-01-01“…Rock burst occurs frequently as coal mining depth goes deeper, which seriously impacts the safety production of underground coal mines. …”
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435
Study on the Fractal Characteristics of Coal Body Fissure Development and the Law of Coalbed Methane Migration of around the Stope
Published 2020-01-01“…In view of this, this paper chooses Qingdong Coal Mine protection layer mining and CBM extraction field practice as the research background. …”
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436
Efficient Excavation and Support Cooperation Technology for Surrounding Rock of Deep Buried Long-Distance and Large Section Gob-Side Roadway: A Case Study
Published 2022-01-01“…The gob-side roadway technology is widely used in coal mining in China, as it can improves the recovery rate of coal resources and alleviate the shortage of mining replacement. …”
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437
Stability and Control of Surrounding Rock of a Trapezoidal Roadway Retained with Hard Roof Cutting
Published 2025-01-01Get full text
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438
The temporal variation of CH4 emissions embodied in Chinese supply chains, 2000–2020
Published 2024-05-01“…The supply chain path “Coal Mining → Nonmetal Mineral Products → Construction → Capital Formation” has risen from 17th in 2000 to 3rd in 2020. …”
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439
Surface movement and crack development laws of super-long working faces in medium-depth coal seam mining
Published 2025-01-01“…IntroductionWith the increased application of super-long working faces in coal mining, the surface movement and crack development laws of super-long working faces present an urgent problem to be studied and solved. …”
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440
Three-Dimensional Reconstruction and Numerical Simulation Analysis of Acid-Corroded Sandstone Based on CT
Published 2021-01-01“…Due to its unique technological characteristics, coal mining and production often encounter an acid corrosion environment caused by acid gases. …”
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