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Pore Structure of Oil Shale Heated by Using Conduction and Microwave Radiation: A Case Study of Oil Shale from the Fushun in China
Published 2022-01-01“…To examine the evolution of the internal pore structure of and the law of changes in oil shale under different heating modes but at the same temperature, this study subjected φ20 mm×20 mm specimens of oil shale to temperatures in the range of 20°C ~500°C by using a muffle furnace and a microwave pyrolysis device. …”
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703
Research on load reduction and rockburst prevention technology in areas with square composite structures of extra-thick coal seams under strong impact
Published 2025-04-01“…Through a combination of theoretical analysis and field measurements, the spatiotemporal evolution characteristics of microseismic events in the square composite structure area were investigated, and the mechanism of rockburst induction was explained. …”
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704
Influence of differential diagenesis of Chang 8 tight sandstone reservoirs in Qingcheng area on oil bearing properties
Published 2025-07-01“…Type III reservoirs are more likely to develop in sand bodies along the side of underwater distributary channels. …”
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705
Electronic structure formed by Y2O3-doping in lithium position assists improvement of charging-voltage for high-nickel cathodes
Published 2025-01-01“…The modified strategy suppresses the generation of oxygen defects by regulating the local electronic structure, but more importantly, it reduces the concentration of highly reactive Ni4+ species during the charging state, thus avoiding the evolution of an unexpected phase transition. …”
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706
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707
Review of Research on Foundation Scour of River-Crossing Bridges
Published 2025-07-01“…Moreover, in common natural channels such as braided, branching, confluence, and alternating wide-narrow channels, water-sediment dynamics and riverbed evolution involve numerous factors with strong uncertainties, making scour mechanisms for bridge foundations more complex than those in straight channels. …”
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708
High-pressure structural and electrical properties of pyrochlore: Enhanced octahedral distortions and electrical resistance of La2Sn2O7
Published 2025-01-01“…On the other hand, first-principles calculations were also employed to investigate the electronic properties and structural evolution of pyrochlore La2Sn2O7, providing a theoretical basis for the interpretation of the experimental observation that pyrochlore La2Sn2O7 becomes more insulating under compression. …”
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709
Research on a Damage Assessment Method for Concrete Components Based on Material Damage
Published 2025-05-01“…According to the value of the uniaxial damage evolution parameter of concrete (<i>d</i><sub>c(t)</sub>), the damage grades of concrete components are defined. …”
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710
Cyberism: The theory for relationships between human and cyberspace
Published 2025-06-01“…Based on the cyber–physical–social–thinking (CPST) space, it outlines a new approach to disciplinary organization and highlights the transformation of traditional academic structures. Finally, it explores the challenges and opportunities that Cyberism presents for the evolution of human civilization, education, and technological innovation. …”
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711
Adjusting the early rheology of alkali-activated slag by sodium silicate
Published 2024-12-01“…The reaction process and macroscopic structural evolution of AAS were observed through hydration heat tests and rheological performance tests, respectively. …”
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712
Global long-run convergence of carbon emissions and intensity vis-à-vis countries' industrial profiles
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713
Research on Optimized Algorithm for Deep Learning Based Recognition of Sediment Particles in Turbulent Flow
Published 2025-07-01“…It further investigates the relationship between turbulent coherent structures and the intensity of particle movement, clarifying the mechanism through which turbulent coherent structures influence sediment transport.MethodsThe optimization algorithm developed in this study aims to maximize the detection of moving particles, providing more accurate data to support understanding sediment transport patterns at the particle scale and their association with turbulent coherent structures. …”
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714
Multi-directional disturbance effect of shear mechanical behaviors and fracturing mechanisms of rockmass intermittent structural plane under true triaxial shear test
Published 2025-06-01“…Near to disturbance failure, there were more high-energy and high-amplitude acoustic emission events near the structural plane, and b-value drops rapidly below 1, while lgN/b ratio increased to above 3. …”
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715
Electrocatalytic and Photocatalytic N<sub>2</sub> Fixation Using Carbon Catalysts
Published 2025-01-01“…The primary challenges for NF are the natural inertia of nitrogenous molecules and the competitive hydrogen evolution reaction (HER). Recently, carbon-based materials have made significant progress due to their tunable electronic structure and ease of defect formation. …”
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716
Pressure induced crossover from 2D-like to 3D structural arrangement in van der Waals magnet CrBr3
Published 2025-08-01“…The evolution of the structural and electronic properties of the van der Waals layered ferromagnet CrBr3 across the semiconductor-metal transition was investigated using X-ray powder diffraction and Raman spectroscopy at high pressures up to 38 GPa and by density functional theory (DFT) calculations at high pressures up to 120 GPa. …”
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Nonreciprocal conversion based on line trajectory near exceptional points
Published 2024-10-01“…The instantaneous state evolutions on direction-dependent Riemann sheets are thus different in forward and backward directions. …”
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719
Numerical study on the microcrack propagation mechanism in pre-fabricated red sandstone with double fissures under different confining pressures
Published 2025-07-01“…Fractured rock masses are widely distributed in geological and engineering fields, and their microcrack evolution and propagation mechanisms directly affect structural stability. …”
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720
How does the collaborative innovation network in construction industry evolve? Evidence from China
Published 2025-02-01“… Technology innovation in the construction industry involves collaboration among multiple innovation organizations which formed an intricate collaborative innovation network (CIN). To understand the evolution characteristics of structural characteristics of CIN in China’s construction industry and to clarify the collaborative patterns among innovation organizations, the CIN were analyzed in terms of overall network characteristics and local collaborative patterns by using the social network analysis (SNA) and network motif analysis (NMA), respectively based on the data of projects winning the China’s Science and Technology Award in Construction (CSTAC) in 2004–2021. …”
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