105 Result(s)
within
**ao-Li Zhou
Engineering
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Article
Mechanical and dam** performances of TPMS lattice metamaterials fabricated by laser powder bed fusion
Lattice metamaterials based on three-period minimum surface (TPMS) are an effective means to achieve lightweight and high-strength materials which are widely used in various fields such as aerospace and ships....
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Article
Coal fly ash resource utilization: Effects of inorganic minerals amendments on CFA-originated opal/sand aggregates formation
Opal (amorphous silica, SiO2·nH2O), a solid waste byproduct of the alkaline extracting alumina from coal fly ash, exhibits strong adsorption properties and is a secondary/clay mineral in the soil. Combining opal ...
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Article
Open AccessNanobiolubricant grinding: a comprehensive review
Minimum quantity lubrication (MQL), which considers the cost, sustainability, flexibility, and quality, has been actively explored by scholars. Nanoadditive phases have been widely investigated as atomizing me...
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Article
A seismic response prediction method based on a self-optimized Bayesian Bi-LSTM mixed network for high-speed railway track-bridge system
The construction of China’s high-speed railway (HSR) network has reached earthquake-prone regions, necessitating a timely and accurate post-disaster quick prediction approach to ensure the safety of the HSR sy...
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Article
Experimental studies on mechanical properties and brittleness of granite treated with different microwave heating times
Microwave-induced strength weakening and brittle reduction of rock are significant for improving hard rock breaking efficiency. Uniaxial compression tests and microscopic analysis were conducted on granite tre...
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Article
Air bubble breakup in shear water flows generated by a plug conduit: An experimental investigation
In the context of a sudden contraction plug conduit, the near-wall area experiences a significant shearing effect of water flow, however, the extent to which this shearing effect occurs in bubble-water flow an...
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Article
Wave propagation and free vibration of a Timoshenko beam mounted on the viscoelastic Pasternak foundation modeled by fraction-order derivatives
There is a second frequency spectrum existing for the classic Timoshenko beam with hinged supports at both ends. However, it is usually assumed that the second frequency spectrum is unphysical. In this paper, ...
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Article
Synthesis of hetero-site nucleation twisted bilayer MoS2 by local airflow perturbations and interlayer angle characterization
Twisted bilayer transition metal dichalcogenides including MoS2 have attracted great interest due to their unique Moiré superlattice induced electronic flat bands. High-quality twisted bilayer TMDs with uniform M...
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Article
Effect of micro-do** yttrium oxide on hot-press sintering of boron carbide
Dense B4C composites were fabricated by hot-press sintering using B4C and nano-scale yttrium oxide as the raw materials. The effects of Y2O3 content and sintering temperature on the microstructure and mechanical ...
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Article
Effect of impurity on microstructure and properties on hot-pressed boron carbide ceramics
It is very important to understand the influence of impurity elements on the quality of boron carbide and control impurity elements. In the present work, boron carbide powders with different impurity levels we...
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Article
Damage characteristics of 193 nm laser irradiated on MgF2 window
MgF2 crystal windows for the weakness part of the optical system have obtained much attention due to the rapid development of photolithography and low-temperature silicon annealing. Investigating the mechanism of...
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Article
Novel approach for in situ recovery of cobalt oxalate from spent lithium-ion batteries using tartaric acid and hydrogen peroxide
Recycling Co resource from spent lithium-ion batteries (LIBs) is significant for Co deficiency and environmental protection. A novel approach for in situ recovery of cobalt oxalate (Co(II)-oxalate) from spent ...
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Article
Bearing characteristics and safety control of hydraulic support groups in shallow-buried thin bedrock ultra-long working faces
To explore bearing characteristics of hydraulic support groups in shallow-buried thin bedrock ultra-long working faces, a beam-on-elastic foundation (BEF) mechanical model was established for the coal walls, s...
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Article
Open AccessBioresource Upgrade for Sustainable Energy, Environment, and Biomedicine
Machine learning, techno-economic analysis, and life cycle analysis are imperative for various conversion approaches of high availability and low utilization biomass (HALUB).
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Article
Distribution and content changes of extracellular polymeric substance and iron ions on the pyrite surface during bioleaching
Microbial-mineral interface is the main biochemical reaction place of bioleaching, and the mechanism of interface interaction is the key to elucidating the behavior of microbial leaching. In this paper, biolea...
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Chapter and Conference Paper
Practice and Understanding of “Secondary-Tertiary Combination” in Reconstructing Underground Development System
During the high water cut and high oil recovery stage for the water flooding method, the characteristics including stability and specificity become prominent for the underground seepage field.
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Chapter and Conference Paper
Research and Practice on the Integration of High-Efficiency Reserves Increase and Productivity Construction by Dominant Sedimentary Facies-Structure Coupling: A Case Study of E3s1 on Qinan Slope
High-efficiency blocks of Z42, Z5 and Z68 have been successively found on Qinan slope, which proves the potential of the target area. No breakthrough was made after several rounds of exploration and evaluation...
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Chapter and Conference Paper
A Review of Electric Propulsion for Air Vehicle Research
Electric propulsion technology possesses the potential of high efficiency, low noise and low emissions. Distributed electric propulsion technology can not only provide the thrust required by the aircraft, but ...
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Article
Formation mechanism of rockburst in deep tunnel adjacent to faults: Implication from numerical simulation and microseismic monitoring
Rockbursts were frequently encountered in the construction of deeply buried tunnels at the ****-II hydropower station, Southwest China. In those cases, the existence of large structural planes, such as faul...
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Article
In-Situ Synthesis and Characterizations of a Novel Aluminum Bronze Composite Reinforced with Micro-Size Tungsten Particles
We present a methodology for preparing a novel aluminum bronze composite reinforced with micro-size tungsten particles through aluminothermic reduction. To synthesize the aluminum bronze composite ingot, the a...
