China University of Mining and Technology - Beijing

Mechanical Irreversibility and Strength Overcompensation in a Gypsum Dehydration–Rehydration Cycle

Abstract Dehydration–rehydration reactions of hydrous minerals modify rock strength, fluid transport, and deformation in reactive geological environments. Although dehydration‐induced weakening is widely studied, the mechanical consequences of subsequent rehydration remain poorly...

Scale-dependent bias in methane inventories: Satellite observations reveal overestimation from large coal mines in China

Accurate quantification of China's coal mine methane (CMM) emissions is important for methane mitigation, yet bottom-up inventories remain subject to substantial uncertainty. Using TROPOMI observations from 2020 to 2024 and the Integrated Methane Inversion (IMI) framework, we per...

Pitting corrosion inversion of buried pipelines based on weak magnetic detection and interpretable SACCO-ELM

Buried pipelines play an important role in long-distance energy transportation. However, buried pipelines are prone to pitting corrosion due to harsh soil environment, making quantitative pitting corrosion inversion critical for safety. This paper proposes an interpretable invers...

Unified Embedding and Composable Fusion for Arbitrary Multimodal Person Re-Identification

Driven by the advancement of intelligent security, person re-identification has evolved from single-modality imagery to complex multimodal tasks involving infrared, text, sketches, and paintings. However, most existing methods are restricted to fixed modality pairs and struggle t...

Experimental investigation of hydrogen leakage dispersion characteristics in a scaled hydrogen refueling area

Unexpected leakage experiments were conducted using a 1:20 scale hydrogen refueling area model incorporating the actual equipment layout. The effects of leakage duration, direction, and flow rate on concentration distribution were investigated. Three concentration stages were ide...

Research of CO2 Mineralization Mechanism in Coal Mine Backfill: Experimental Characterization, Molecular Simulation, and Engineering Knowledge Transfer

Abstract The escalating global climate crisis necessitates innovative solutions for CO 2 mitigation, particularly within resource-intensive industries. This study develops a high-performance CO 2 mineralized backfill to address the dual challenge of carbon sequestration and indus...

Design of a novel hybrid advanced adiabatic compressed air and gravity energy storage system

Abstract To enhance the energy efficiency and energy density of physical energy storage (PES) systems, this study introduces a novel hybrid advanced adiabatic compressed air and gravity energy storage (HAACAGES) system. This system integrates advanced adiabatic compressed air ene...

Artificial Intelligence and Competitive Performance: The Quality Management Mechanism from a Cross-Boundary Ambidexterity Perspective

While artificial intelligence (AI) is increasingly used in business, the quality management (QM) practices through which AI implementation is associated with competitive performance (CP) remain underexplored. Drawing on the cross-boundary ambidexterity perspective, this study dis...

InterMine: A foundation model-based multi-task interaction network for remote sensing interpretation of open-pit coal mining activity

The interpretation of open-pit coal mining activity is critical for resource management and ecological protection. It comprises two key tasks: extent extraction and fine-grained change detection. However, existing methods usually suffer from task separation, and their outputs can...

Energy-Efficient Calcium Looping with Vacuum-Assisted CaCO3 Decomposition for Biomass-Derived Hydrogen Production

The aim of this study is to propose and evaluate a novel hydrogen production process that integrates biomass gasification and calcium looping with vacuum-assisted low-temperature CaCO3 decomposition. To achieve this objective, excess CaO is utilized as a sensible heat storage med...

Dynamic properties of rock bolted by high performance NPR anchor bolts with different preloads

NPR (Negative Poisson's Ratio) bolts are advanced support materials engineered for stabilizing deep underground excavations, distinguished by their exceptional deformability and energy absorption capacity. This work examines how bolt preload affects the dynamic response of bolted...