337 Result(s)
within
**ao-** Sun
Engineering, general
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Article
Elemental Distribution Modification Toward Target Calcium Roasting of Vanadium-Bearing Slags
The elemental distributions among various phases in vanadium-bearing slags have been quantified toward high-efficiency separation and extraction by calcium roasting using electron probe X-ray microanalysis. Th...
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Article
Corrosion Mechanism of Alumina-Chromia Refractory by SiO2-Al2O3-CaO Based Slag from Iron Capture Process of Spent Automotive Catalyst
Metal smelting-collecting processes have been widely recognized as the prior technology for recycling spent automotive catalysts (SACs), which are generally accompanied by the formation of high content of alum...
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Article
High-accuracy gravity field and gravity gradient forward modelling based on 3D vertex-centered finite-element algorithm
Gravity anomalies generated by density non-uniformity are governed by the 3D Poisson equation. Most existing forward methods for such anomalies rely on integral techniques and cell-centered numerical approache...
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Article
Characteristics and control limit of wheel-rail high-frequency vibrations induced by periodic short-wave irregularities under higher operating speed
With the increasing speed of high-speed trains, the periodic short-wave irregularities caused by high-frequency vibration between wheel and rail inevitably cause potential severe damages to vehicle and track c...
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Article
Contaminant transport modelling of heavy metal pollutants in soil and groundwater: An example at a non-ferrous smelter site
The topsoil of smelter sites is subjected to severe contamination by heavy metals (HMs). Existing numerical simulations typically treat soil and groundwater separately owing to data limitations and computation...
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Article
Adsorption performance and mechanistic study of Pb, Cd and As by CaAl-LDH in wastewater
Heavy metal composite pollution is becoming increasingly serious. In this study, CaAl-layered double hydroxide (CaAl-LDH) was prepared using the facile co-precipitating method, and was characterized by X-ray d...
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Article
Preparation and performance of a coal gasification slag-based composite for simultaneous immobilization of Cd and As
Coal gasification slag (CGS) and Fe-modified CGS (FGS) were employed to remediate cadmium (Cd) and arsenic (As) in co-contaminated agricultural soils. Adsorption experiments in aqueous systems and stabilizatio...
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Article
Experimental Study of a Reconstruction Method for Rock Joints in Sandstone Based on 3D Laser Scanning and 3D Engraving Techniques
The shear behaviour of natural joints generally exhibits anisotropy due to variations in morphological characteristics. The anisotropic shear behaviour of natural joints mainly determines the rock mass stabili...
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Article
Intelligent diagnosis for hot-rolled strip crown with unbalanced data using a hybrid multi-stage ensemble model
To improve the smart manufacturing capabilities of strip hot rolling, based on digital twin (DT) and cyber-physical system (CPS), this paper proposes a data-driven approach for diagnosing hot-rolled strip crow...
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Article
Correction: Selective Adsorption Mechanism of Zinc Ions on the Surfaces of Galena and Sphalerite in the Flotation Separation of Pb-Zn
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Article
Brazing of C/C composites and 304 stainless steels via Ni/Mo composite interlayer
In order to improve the strength of C/C composites and 304 SS brazed joint, two substrates were brazed by adding metal interlayers (Ni, Mo, Ni/Mo) to BNi-2 or AgCuTi filler metals. The objective of this study ...
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Article
Carbonization mechanism and ablation behavior of Zr/Hf-ZrC1−x/HfC1−x rods prepared by in-situ reaction method
The Zr/Hf-ZrC1−x/HfC1−x rods were prepared by the carbon diffusion in situ reaction. The effects of different carbonization temperatures and carbon sources on the microstructures and the ablative behavior of the ...
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Article
Variation of humic carbon and microbial communities in bauxite residue following co-application of straw and phosphogypsum
Humification is one of the critical processes in the ecological restoration of bauxite residue deposit areas. Straw addition is widely used strategy to increase organic carbon in bauxite residue. However, the ...
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Article
Optimization mechanism of matrix microstructure evolution on strength-plasticity of Mg/Al composite plate during hard-plate accumulative roll bonding
Mg/Al composite plate combines the light weight of Mg alloy and the plasticity and corrosion resistance of Al alloy, which significantly enhances its comprehensive performance. However, the long manufacturing ...
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Article
Removal of arsenic from arsenic-containing solution in a three-dimensional electrode reactor
Deep treatment, a method for further reducing the content of a target substance, for toxic arsenic (As) from water is vital to reduce environmental pollution and ensure human health. Here, we employed electros...
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Article
Damage mechanism and fracture evolution of rock containing defects with LCEM-GFEM method under explosive load
Defects in rock masses have significant influence on the fracture propagation during blasting. In this study, a numerical model is developed using the local cohesive element based on the global finite element ...
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Article
Quantitative characterization of water absorption pore structure evolution in sandstone based on nitrogen adsorption and mercury intrusion
To investigate the mechanism of water’s effect on the pore structure of rocks, this study relies on the sandstone formation in Wanfu Coal Mine, Shandong, China. Scanning electron microscopy (SEM), nitrogen ads...
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Article
Mechanoluminescence of metal complexes: Progress and applications
Mechanoluminescence (ML) is a light emission phenomenon caused by mechanical force on a substance. Recently, metal complexes mechanoluminescence materials are attracting widespread attention owing to their dis...
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Article
Persistent activation of peroxymonosulfate by MoS2@FeOOH/ceramsite composite for continuous flow degradation of sulfamethoxazole
Within the realm of wastewater treatment, the restrictions of inter-particle agglomeration and difficulty in recovery of traditional powder materials greatly limited their large-scale application. Hence, a nov...
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Article
Quasi-in situ immersion characterization of grain structures evolution revealing the corrosion resistance of Al-Zn-Mg alloys with various Sc additions
Al-Zn-Mg alloys have been investigated for the effect of Sc additions on corrosion resistance. The addition of Sc to Al-Zn-Mg alloys can more effectively retard recrystallisation during heat treatment and impr...
