29 Result(s)
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Article
**-Hua Qu
Engineering
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Article
Stabilization technology and corrosion mechanism of rust layer on Q370 weathering steel surface
A newly developed rust layer on Q370qENH weathering steel (sample C) was studied under dry–wet cycle test of 3.5 wt.% NaCl solution and salt spray test, compared with the bare weathering steel (sample A) and t...
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Effect of solution treatment on microstructure and mechanical properties of as-cast Al-12Si-4Cu-2Ni-0.8Mg-0.2Gd alloy
Effect of solution treatment on microstructure and mechanical properties of Al-12Si-4Cu-2Ni-0.8Mg-0.2Gd alloy was investigated. Results show the Si particles become stable and more intermetallic compounds diss...
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Open AccessFire Intumescent, High-Temperature Resistant, Mechanically Flexible Graphene Oxide Network for Exceptional Fire Shielding and Ultra-Fast Fire Warning
Graphene oxide-based hybrid networks were fabricated via introducing multi-amino molecule with triple roles (i.e., cross-linker, fire retardant and reducin...
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Interface characteristics between TiN and matrix and their effect on solidification structure
Heterogeneous nucleation is an effective way to promote the dispersion and precipitation of second-phase particles in steel and refine the grain size of the solidification structure. Not only refining as-cast ...
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Moving target detection based on improved ghost suppression and adaptive visual background extraction
Visual background extraction algorithm (ViBe) uses the first frame image to initialize the background model, which can easily introduce the “ghost”. Because ViBe uses the fixed segmentation threshold to achiev...
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Thermodynamic analysis on tin precipitation behavior in Ti-bearing peritectic steel after magnesium treatment
TiN, which is ubiquitous in Ti-bearing steel, has a critical influence on both the mechanical properties and the welding process of steel, and therefore researche on the precipitation behavior of TiN in molten...
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An improved PSO algorithm for time-optimal trajectory planning of Delta robot in intelligent packaging
With the advancement of the times, robotics technology is also develo** rapidly. Some large enterprises in China use robots to work in manufacturing and handling positions, and also make robots more and more...
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A novel adsorbent of three-dimensional ordered macro/mesoporous carbon for removal of malachite green dye
Three-dimensional ordered macro/mesoporous carbon (3DOM/m-C) with high specific surface area was synthesized by colloid crystal template method with chemical activation by KOH and used as the adsorbent for rem...
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Aluminum, titanium and oxygen control during electroslag remelting of stainless steel based on thermodynamic analysis
Experimental investigation and thermodynamic calculation were carried out to study the effect of slag on alloying elements during electroslag remelting with develo** a thermodynamic model to control titanium...
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Cementites decomposition of a pearlitic ductile cast iron during graphitization annealing heat treatment
Cementites decomposition of a pearlitic ductile cast iron during graphitization annealing heat treatment was investigated. Fractographies and microstructures of heat treated samples were observed using a scann...
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Refinement and fracture mechanisms of as-cast QT700-6 alloy by alloying method
The as-cast QT700-6 alloy was synthesized with addition of a certain amount of copper, nickel, niobium and stannum elements by alloying method in a medium frequency induction furnace, aiming at improving its s...
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Three-stage approach for dynamic traffic temporal-spatial model
In order to describe the characteristics of dynamic traffic flow and improve the robustness of its multiple applications, a dynamic traffic temporal-spatial model (DTTS) is established. With consideration of t...
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Preparation of U-shaped curved holes by a casting method
A technique to prepare U-shaped curved holes by a direct casting method was introduced, and U-shaped curved holes (with a diameter of 2 mm) with an aspect ratio of 35 were successfully prepared. A formula was ...
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Wear behavior and mechanism of a sliding pair of 0. 1C-3Cr-2W-V nitrided steel rubbing against an aluminum bronze alloy
Wear behavior and mechanism of plasma nitrided steel oscillating against a heat-treated and an untreated aluminum bronze alloy were investigated using an Optimol SRV tribometer. The influence of heat treatment...
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Influence of Cr element on impact fracture process of ductile Ni-resistant alloyed iron at low temperature
In this study, in order to investigate the influence of Cr element on the impact fracture process of ductile Ni-resistant alloyed iron at low temperature, different contents of Cr element were added to ductile...
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A new algorithm to automatically extract the drainage networks and catchments based on triangulation irregular network digital elevation model
A new algorithm to automatically extract drainage networks and catchments based on triangulation irregular networks (TINs) digital elevation model (DEM) was developed. The flow direction in this approach is de...
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Hot Deformation Behavior of As-cast AISI M2 High-speed Steel Containing Mischmetal
The hot deformation behavior of as-cast AISI M2 high-speed steel containing mischmetal (RE) has been investigated on a Gleeble-3500 simulator in the temperature range of 1000—1150 °C and strain rate range of 0...
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Characteristics of copper removal and ion release during copper biosorption by Stenotrophomonas maltophilia in presence of benzo[a]pyrene
The ability of Stenotrophomonas maltophilia was demonstrated to selectively remove Cu2+ from Cu(NO3)2 solution under the circumstance that 1 mg/L benzo[a]pyrene (BaP) was either present or not. The removal ratios...
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Application of particle swarm algorithm in the optimal allocation of regional water resources based on immune evolutionary algorithm
The optimal allocation model of regional water resources is built with the purpose of maximizing the comprehensive economic, social and environmental benefits of regional water consumption. In order to solve t...
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Comparison of osteogenesis between two kinds of stem cells from goat combined calcium phosphate cement in tissue engineering
To explore the possible mechanism of osteogenesis for deciduous teeth stem cells (DTSCs) in vivo/ vitro, stem cells from goat deciduous teeth (SGDs) were firstly isolated, induced and transplanted into immunoc...
