Results 41 to 50 of about 28,561 (311)

Advances and trends in multi-field coupling induced disaster similarity theory within deep ground engineering

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources
In the realm of deep earth engineering, increasing excavation depths present formidable challenges like heightened ground stress, permeability, temperatures, and disruptive excavation effects, posing significant safety risks.
Zihao Kan   +6 more
doaj   +1 more source

Mechanical Characteristics of Gravel-Block Soil Considering Particle Fragmentation Fractals

open access: yesApplied Sciences
To investigate the mechanical characteristics of gravel-block soils in the cold regions, four large direct shear tests were designed under different coarse particle contents and three dry density conditions.
Jiamin Quan   +3 more
doaj   +1 more source

Numerical Simulation of Coherent Structures in the Turbulent Boundary Layer under Different Stability Conditions

open access: yesEnergies, 2020
Coherent structures in the turbulent boundary layer were investigated under different stability conditions. Qualitative analyses of the flow field, spatial correlation coefficient field and pre-multiplied wind velocity spectrum showed that the dominant ...
Shujin Laima   +3 more
doaj   +1 more source

Sediment biogeochemistry and relationship with arsenic in the Kuitun River Basin, Xinjiang, China: influences of microbial community structure and characteristics on arsenic migration

open access: yesEnvironmental Research Communications, 2023
The microorganisms in sediments play a significant role in Arsenic (As) migration in groundwater systems. However, the impact mechanisms of microbial community structure on As release and enrichment are not completely clear.
Jingru Yang   +6 more
doaj   +1 more source

A Robust Deep Learning-Based Damage Identification Approach for SHM Considering Missing Data

open access: yesApplied Sciences, 2023
Data-driven methods have shown promising results in structural health monitoring (SHM) applications. However, most of these approaches rely on the ideal dataset assumption and do not account for missing data, which can significantly impact their real ...
Fan Deng   +3 more
doaj   +1 more source

Graded‐Interface Dual‐Environment Hydrogel‐Polymer Electrolyte for Stabilized Anode and Sustained Cathode Kinetics in Aqueous Zinc‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A graded‐interface hydrogel‐polymer electrolyte decouples water activity to simultaneously stabilize the Zn anode and sustain cathode kinetics. The flexible design supports dendrite‐free cycling over 1600 h, high capacity in both MnO2 and V2O5 full cells, and stable pouch‐cell performance under bending, resolving the fundamental water conflict in ...
Shuyun Wang   +8 more
wiley   +1 more source

A Holistic Stabilization of the Anode in Lithium‐Sulfur Batteries Through a Ternary Alloy Fusion

open access: yesAdvanced Functional Materials, EarlyView.
LiTeAl anodes fabricated through a scalable thermal fusion technique holistically addresses the stability issues faced by lithium‐metal anodes in lithium–sulfur batteries. Aluminum forming a skeletal network with lithium suppresses dendrite growth and enhances energy density, while tellurium forming a robust SEI facilitates Li+‐ion flow.
Akhil Shenoy, Arumugam Manthiram
wiley   +1 more source

Exploring the Impact Mechanisms of the Built Environment on Bike-Sharing Usage: A Study Based on Random Forest and Multiscale Geographically Weighted Regression

open access: yesRedai dili
Bike-sharing is an important component of urban short-distance mobility systems, offering a flexible, low-carbon alternative to motorized travel while addressing “last-mile” connectivity in metropolitan areas.
Jixiang Zheng   +5 more
doaj   +1 more source

Twin Crystal Moiré Metasurfaces for Crossing Flat‐Band Transport

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces twin crystal moiré metasurfaces, breaking in‐plane symmetry to enable reconfigurable acoustic wave manipulation. By adjusting the twin angle and interlayer twist angle, various combinations of hyperbolic, flat bands, and elliptic states can be synthesized in the system.
Shida Fan   +9 more
wiley   +1 more source

Assessment of Landslide Susceptibility Based on the Two-Layer Stacking Model—A Case Study of Jiacha County, China

open access: yesRemote Sensing
The challenge of obtaining landslide susceptibility zoning in Tibet is compounded by the high altitude, extensive range, and difficult exploration of the region.
Zhihan Wang   +3 more
doaj   +1 more source

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