19 Result(s)
within
Engineering
**u-Hui Fang
Article
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Article
Swelling inhibition and infiltration promotion mechanism of polyethyleneimine
In order to solve landslides and slow infiltration rate in in-situ leaching process of weathered crust elution-deposited rare earth ore (WCE-DREO), the swelling inhibition performance and mechanism of polyethy...
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Recrystallization texture development in rare-earth (RE)-doped non-oriented silicon steel
High-grade non-oriented silicon steel with higher permeability and lower core loss has become the pursed target with the rapid development of electrical machines. The effects of rare-earth (RE) element on recr...
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Extraction of Cd and Pb from contaminated-paddy soil with EDTA, DTPA, citric acid and FeCl3 and effects on soil fertility
Potentially toxic metals, Cd and Pb in paddy soil, have important meanings for safety of rice. A comparison extraction of Cd and Pb with EDTA, DTPA, citric acid, and FeCl3 and effects on soil fertility was studie...
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Parameter optimization for improved aerodynamic performance of louver-type wind barrier for train-bridge system
To improve the safety of trains running in an undesirable wind environment, a novel louver-type wind barrier is proposed and further studied in this research using a scaled wind tunnel simulation with 1:40 sca...
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Experimental Analysis of the Influence of Soil Composition on Strength Characteristics
This study investigates the influence of soil composition on soil strength by performing direct shear test on various samples, including artificial soil with different components, artificial mixed soil with di...
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Extraction of copper and zinc from naturally contaminated copper mine soils: Chemical fractionation analysis and risk assessment
The leaching behaviour of Cu and Zn from contaminated soils at a copper mine was investigated using four extractants: citric acid (CA), oxalic acid (OA), ethylenediaminetetraacetic acid (EDTA) and nitrilotriac...
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Identification of variety of rice and determination of content of each rice in mixtures of two rices by nonlinear chemical analysis
Fingerprints of two varieties of rice and their mixtures were investigated by a nonlinear chemical reaction system consisting of rice components, sodium bromate, manganese sulfate, sulfuric acid and acetone. T...
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Experiment study of optimization on prediction index gases of coal spontaneous combustion
The coal of Anyuan Mine has the characteristic of easy spontaneous combustion. Conventional method is difficult to predict it. Coal samples from this mine were tested in laboratory. The data obtained from labo...
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Article
Learning taxis’ cruising patterns with Ripley’s K function
Taxi drivers’ cruising patterns are learnt with GPS trajectory data collected in Shenzhen, China. By employing Ripley’s K function, the impacts of land use and pick-up experience on taxis’ cruising behavior ar...
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Scheme optimization of AT shifting element based on genetic algorithm
In order to realize the computer aided design of AT shifting element schemes, a mathematical model of shifting element schemes which can be easily identified by computers was built. Taking the transmission rat...
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Experimental and numerical simulations of bottom hole temperature and pressure distributions of supercritical Co2 jet for well-drilling
The supercritical carbon dioxide (Sc-Co2) drilling is a novel drilling technique developed in recent years. A detailed study of temperature and pressure distributions of the Sc-Co2 jet on the bottom of a well is ...
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Influence of Inactivation Treatment of Ship’s Ballast Water on Corrosion Resistance of Ship Steel Plate
The effect of seawater after ultraviolet inactivation on corrosion of a shipbuilding steel plate was investigated by means of natural corrosion potential experiments and immersion corrosion lest. The effects o...
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Determination of Rock-Breaking Performance of High-Pressure Supercritical Carbon Dioxide Jet
In this study, a well-designed experimental setup is used to determine the rock-breaking performance of a high-pressure supercritical carbon dioxide (SC-CO2) jet. Its rock-breaking performance is first compared w...
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Dependence of Deformation Twinning on Grain Orientation and Texture Evolution of High Manganese TWIP Steels at Different Deformation Temperatures
Mechanical properties, microstructure and texture evolution were studied in two tensile-deformed high manganese TWIP steels at different temperatures. Special attention was paid to the effects of deformation t...
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Synthesis and characterization of red-emission PPV copolymers containing fluorenone unit
Two soluble copolymers of fluorenone and dioctoxylbenzene (PFN) or anthracene (PFNAn) were synthesized through Heck polymerization, and were characterized by gel permeation chromatography (GPC), FT-IR, 1H-NMR, el...
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Article
Additional water use influencing strength and fluidity of recycled concrete
Through adding different additional water use, the compressive strength, splitting tensile strength and fluidity of recycled concrete of three aggregate combination forms were studied by experiment respectivel...
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Article
Electrodeposition of Ni-Cr alloy on aluminum substrate
Ni-Cr alloys with mass fraction of 1.4%–23.9%Cr, 76.1%–98.6%Ni, and hardness of 70.5–80.5HR were electrodeposited on aluminium substrate from the trivalent chromium sulphate-chloride solution using citric acid...
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Fatigue damage reliability analysis for Nan**g Yangtze river bridge using structural health monitoring data
To evaluate the fatigue damage reliability of critical members of the Nan**g Yangtze river bridge, according to the stress-number curve and Miner’s rule, the corresponding expressions for calculating the stru...
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Structural safety monitoring for Nan**g Yangtze River Bridge
In order to evaluate objectively and accurately the integrity, safety and operating conditions in real time for the Nan**g Yangtze River Bridge, a large structural safety monitoring system was described. The ...
