Taiyuan University of Technology

Effect of Y addition on microstructure, tensile properties, and corrosion behavior of high-speed-extruded Mg–5Bi–3Al alloy

This study investigates the effect of Y addition on the microstructure, tensile properties, and corrosion behavior of high-speed-extruded Mg–5Bi–3Al (BA53) alloy. Y-free BA53 and Y-containing BAW53 x alloys ( x = 0.2, 0.5, and 1.0 wt.%) are extruded at a die-exit speed of 67 m/mi...

Preparation of Mixed Matrix Membranes Using Graphitic Carbon Nitride as Solid Cross-Linking Agent for CO2 Separation

Abstract The development of efficient carbon capture technologies, such as membrane separation technology, is of vital importance for achieving carbon neutrality. Mixed matrix membranes (MMMs) integrate the advantages of polymer matrices and inorganic fillers, making them promisi...

Correlation between Ni Valence States Regulated by High-Electronegativity Chalcogens and Acidic CO2 Electroreduction to CO

Abstract Ni-based catalysts serve as an alternative to noble metal CO2 reduction reaction (CO2RR) catalysts. However, the excessive adsorption of *CO leads to a poisoning effect and hinders its desorption for the production of CO. Herein, we describe the systemic regulation of Ni...

Compression and extension behaviour of three-dimensionally printed metastructure–sand composites under triaxial loading

A three-dimensionally printed metastructure featuring a re-entrant honeycomb topology with negative Poisson’s ratio (NPR) effect is introduced in this study for material reinforcement. To systematically decouple the effects of structural topology and constituent material stiffnes...

Design and implementation of sheep posture estimation algorithm based on skeletal keypoint localization

Automated sheep posture recognition can provide posture-related behavioural information for precision livestock monitoring. Manual video observation is labour-intensive, and contact sensor-based methods may require specialized installation. This study developed a non-contact shee...

Physical simulation of roadway surrounding rock cumulative failure characteristics under dynamic loading and energy-absorbing support solutions

Roadway surrounding rock in deep coal mines is subjected to the combined effects of static loading and dynamic disturbances, which can induce progressive deformation, crack propagation, and catastrophic instability. To investigate the progressive failure characteristics and mecha...

Deep learning-enabled invisible electromagnetic scattering amplifier

With the rapid development of micro-electro-mechanical systems, electrically small targets, such as subwavelength micro unmanned aerial vehicles and bionic mosquito robots, exhibit ultra-low scattering cross section, which brings severe challenges to their effective detection. To...

Thermal radiation-driven coal spontaneous combustion and its risk classification and early warning

Coal spontaneous combustion is one of the major mine disasters and also a primary trigger of secondary disasters such as mine gas and coal dust explosions. To reveal the combustion characteristics and risk evolution mechanisms of thermal radiation-driven coal spontaneous combusti...

Coal Mine Accidents in China and the United States, 2011–2025: Harmonized Spatio-Temporal Patterns, Key Risk Factors, and Interpretable Machine Learning Severity Prediction from Public Accident Data

The two largest coal producers, China and the United States, operate markedly different accident-reporting regimes, yet comparable cross-country evidence is scarce. We harmonized 47,986 U.S. Mine Safety and Health Administration (MSHA) Part 50 records for 2011–2025, documenting r...

Hierarchically Porous Silver–Carbon Composite with Dialyzable Silver Release for Biofilm Control and Healing of Infected Wounds

Abstract Biofilm-associated wound infections require antibacterial materials that can control attached bacteria while limiting excessive silver exposure. In this study, we prepared a sponge-like hierarchical porous silver–carbon material through in situ glucose foaming and carbon...

Inducing Orientation Polarisation via Regional Isomerisation in Covalent Organic Frameworks for Enhanced O 2 Photoactivation

ABSTRACT Boosting the O 2 photoactivation for efficient generation of reactive oxygen species is crucial to the synthesis of high‐value chemicals. Inducing strong dipole interaction is an effective strategy to strengthen the built‐in electric field (BIEF). However, it remains a g...

Experimental study on inhibition mechanism of composite inhibitors for coal spontaneous combustion at critical temperature

To elucidate the inhibition mechanism of composite inhibitors during coal spontaneous combustion under a selected critical-temperature condition, three coals with different ranks were investigated. Temperature-programmed oxidation coupled with gas chromatography, in-situ Fourier...

Characteristics and Control of Severe Strata Behavior in Top-Coal Caving Gate Roads of Extra-Thick Coal Seams Beneath Goafs

In close-distance coal seam mining, the long-term static high-stress field induced by remnant pillars in the overlying goaf superimposes with the dynamic load disturbance from fully mechanized top-coal caving (TCC) in the underlying extra-thick seam. This superposition leads to s...

Exploring the water status of drip-irrigated apple trees based on variation in predawn stem water potential

Determining irrigation timing based on plant water status is essential for drip-irrigated apple orchards. Stem water potential (Ψ stem ) has been suggested as a tool for precision irrigation in fruit trees, but clear thresholds for drip-irrigated apple trees are lacking. In 2023...

A kinematic-muscle hybrid synergy-assisted EMG-driven NMSK model for muscle activation and joint moment prediction with minimal sensors

Cross-country sit-skiing relies heavily on upper-limb power, with double poling (DP) propulsion generated by coordinated pole forces and trunk rotation. Estimating shoulder and elbow joint moments and muscle forces during DP is crucial for technique optimization and injury-risk r...

Investigation on real-time permeability evolution of granite under subcritical and supercritical water conditions

The in situ permeability evolution of granite is critical for efficiently developing subcritical and supercritical geothermal resources (200–400 °C). Herein, a high-temperature, high-pressure triaxial seepage system was employed to compare the real-time permeability evolution of...

Investigation into Adsorption Performance and Mechanism for Copper on Red Mud Modified Biochar

Peanut shells from Shanxi Province were used as the biomass feedstock to prepare three red-mud-modified biochars at red mud-to-peanut-shell mass ratios of 1:1 (RMBC1), 1:5 (RMBC2), and 1:10 (RMBC3) through suspension loading followed by pyrolysis. Their adsorption behavior and me...

Effect of Prefabricated Borehole Diameter on the Nonlinear Mechanical Response of Coal–Rock Composite Specimens Under Dynamic Loading

To investigate the effect of prefabricated borehole diameter on the dynamic response of coal–rock composite specimens, split Hopkinson pressure bar (SHPB) tests were conducted on specimens without a borehole and with borehole diameters of 4, 6, and 8 mm. Twelve specimens were tes...

Pollution characteristics, migration and transformation, and health risk assessment of polycyclic aromatic hydrocarbons in environmental media of prototype coking plants in Shanxi, China

Environmental context Coking is one of the important emission sources of polycyclic aromatic hydrocarbons (PAHs). We analysed distribution characteristics of PAHs emitted from the coke oven top and in environmental media in the prototype coking plants. The migration and transform...

Relaxation Piezoionic Hydrogel for Self-Powered, Self-Decoupled Monitoring of Finger Rehabilitation

Abstract Hand motor dysfunction involves limited finger flexion and impaired release control, making finger flexion angles and active relaxation ability key metrics for rehabilitation assessment. However, existing flexible electronics quantify deformation amplitude, while deforma...