407 Result(s)
within
**ng-hua Li
Engineering
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Article
End-supporter path scheduling for robot-assisted asymmetrical support machining of thin-walled parts with non-equal thickness and closed section
As a typical thin-walled workpiece with non-equal thickness and closed section, the steam turbine blade is easy to be deformed and to chatter in the machining process due to its low stiffness, which seriously ...
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Article
Power-Line Extraction and Modelling from 3D Point Clouds Data Based on K-D Tree DBSCAN Algorithm
In order to achieve rapid extraction and modeling of power lines in substations, this paper proposes a method of power line extraction and modeling based on three-dimensional (3D) laser scanning point cloud da...
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Article
Assessing the range of blasting-induced cracks in the surrounding rock of deeply buried tunnels based on the unified strength theory
Blasting-induced cracks in the rock surrounding deeply buried tunnels can result in water gushing and rock mass collapse, posing significant safety risks. However, previous theoretical studies on the range of ...
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Article
Experimental investigation of vibration pretreatment-microwave curing process for carbon fiber reinforced resin matrix composites
The vibration pretreatment-microwave curing process is an efficient, low energy consumption, and high-quality out-of-autoclave curing process for carbon fiber resin matrix composites. This study aims to invest...
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Article
Revealing dislocation activity modes during yielding and uniform deformation of low-temperature tempered steel by acoustic emission
The distinctive distribution of acoustic emission (AE) characteristic parameters generated during tensile testing of low-temperature tempered AISI 4140 steel was investigated. Two clusters of acoustic emission...
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Article
Yield Resistance and Ultimate Resistance of Steel Beam with Random Corrosion Damage
This paper presents a numerical study on the yield resistance and ultimate resistance of steel beam with random corrosion damage. The corrosion is considered by introducing random cylindrical pits to the intac...
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Article
Research on the Axial Compressive Behavior of Concrete-Filled Steel Tubular Column Reinforced with Annular Stiffener
This paper presents experimental and theoretical studies on the axial compressive behavior of an innovative type of concrete-filled steel tubular (CFST) composite column reinforced with annular stiffener. The ...
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Article
Multi-performance evaluation of high-throughput accelerated corrosion test for high-strength low-alloy 921A steel
The corrosion behavior of high-strength low-alloy 921A steel in a simulated marine atmospheric environment was studied using a high-throughput experimental method. The corrosion behavior, corrosion morphology,...
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Article
Soil microbial community in lead smelting area and the role of sulfur-oxidizing bacteria
The long-term operation of the lead smelter has brought serious heavy metal pollution to the surrounding soil. The microbial community structure and composition of heavy metal contaminated soil is important fo...
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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
Surfactant-modified SiO2/FeS nanocomposites for remediation of cadmium pollution
To improve the remediation and antioxygenic properties of ferrous sulfide (FeS) nanomaterials toward heavy metals is the focus of current research. This study employed a combination of sodium carboxymethylcell...
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Article
The breather solutions and propagation features analysis for Lakshmanan–Porsezian–Daniel equation
The breather solutions for Lakshmanan-Porsezian-Daniel equation with fourth-order dispersion and fifth-order nonlinearity are studied in this paper. The breather solutions under plane wave background are solve...
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Article
Optimization and experiment of seed-filling performance of the air-suction densely planted seed-metering device based on DEM
Aiming at the problem of lower single granularity and uniformity of the existing air-suction seed-metering device under the condition of densely planted crops according to the agronomic requirements of soybean...
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Article
Optimization of the microstructure, mechanical properties, and wear resistance of nacre-inspired TiB2/Al-Cu composites via gelatin addition
Nacre-inspired TiB2/Al-Cu composites were prepared by freeze casting and squeeze casting. This study focused on the effect of gelatin content on microstructure, mechanical characteristics, and wear resistance of ...
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Article
Five-axis toolpath re-scheduling for facilitating assisted supporting thin-walled blade machining by decreasing axis sensitivity
Existing works in the optimization of five-axis machining mainly focus on the efficiency, precision, or dynamic performance of the machine tools, while the performance of other equipment which assists the mach...
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Article
Regulation mechanism of aging behavior and mechanical properties of 2195-T34 Al-Li alloy at different stress levels
The effect of aging on the mechanical properties of the 2195-T34 Al−Li alloy at different stress levels was investigated. When the stress was below the high-temperature yield strength (YS), the YS and elongati...
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Article
Effect of Sm content on microstructure and properties of extruded Mg-6Al-2Sr alloy
In this paper, the strengthening mechanism of different Sm content on extruded Mg-6Al-2Sr alloy was studied. The microstructure was observed by metallographic experiment, X-ray diffraction, scanning electron m...
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Chapter and Conference Paper
Design of Urban Emergency Material Allocation Supply Chain System Based on Multimodal Information Technology
The demand for emergency supplies from sudden natural disasters is fast and accurate, and the allocation of urban emergency supplies is affected by multimodal and multiple information factors. This article ana...
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Article
Ferroelectric transistors based on shear-transformation-mediated rhombohedral-stacked molybdenum disulfide
To develop low-power, non-volatile computing-in-memory device using ferroelectric transistor technologies, ferroelectric channel materials with scaled thicknesses are required. Two-dimensional semiconductors, ...
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Chapter and Conference Paper
Effect of Sintering Temperature on Properties of Regenerated Sintered Sheet Brick
In order to study the effect of sintering temperature on the performance of recycled shale bricks, in this paper, a total of 8 groups of mix proportions were designed by changing the proportion of shale, waste...
