Weiwei Xu
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View article: A first principles investigation into the mechanical properties and the strengthening mechanism of the graphene/aluminum interface structure
A first principles investigation into the mechanical properties and the strengthening mechanism of the graphene/aluminum interface structure Open
View article: Formation energy of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si363.svg" display="inline" id="d1e2188"> <mml:mrow> <mml:mi mathvariant="normal">γ</mml:mi> <mml:mo>/</mml:mo> <mml:msup> <mml:mrow> <mml:mi mathvariant="normal">γ</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>′</mml:mo> <mml:mo>′</mml:mo> </mml:mrow> </mml:msup> </mml:mrow> </mml:math> interfaces in Inconel 718 superalloys
Formation energy of interfaces in Inconel 718 superalloys Open
View article: Atomistic Doping Effects on the Ideal Strength of Graphene/Aluminum Interfaces
Atomistic Doping Effects on the Ideal Strength of Graphene/Aluminum Interfaces Open
Generally, atomic doping is an effective method to address the weak bonding strength of the graphene/aluminum (Gr/Al) composite interface structure caused by physical adsorption, thereby enhancing the mechanical properties of the interface…
View article: Screening of Single-Domain Antibodies to Adeno-Associated Viruses with Cross-Serotype Specificity and a Wide pH Tolerance
Screening of Single-Domain Antibodies to Adeno-Associated Viruses with Cross-Serotype Specificity and a Wide pH Tolerance Open
Adeno-associated virus (AAV) vectors are the preferred gene delivery tool in gene therapy owing to their safety, long-term gene expression, broad tissue tropism, and low immunogenicity. Affinity ligands that can bind multiple AAV serotypes…
View article: Meson width predictions and symmetry emergence within the deep neural network
Meson width predictions and symmetry emergence within the deep neural network Open
We build a deep neural network model to predict meson widths from quantum numbers and masses based on the Transformer architecture. A Gaussian Monte-Carlo data enhancement method is adopted to enhance the meson data by considering the expe…
View article: One-pot hydrothermal oxidation enables in situ construction of CDs/Ni(OH)2 composite for electrocatalytic oxygen evolution
One-pot hydrothermal oxidation enables in situ construction of CDs/Ni(OH)2 composite for electrocatalytic oxygen evolution Open
Electrochemical water splitting is a promising solution to energy challenges, yet the kinetically sluggish oxygen evolution reaction (OER) at the anode demands highly active and cost-effective catalysts. Herein, we develop a facile one-pot…
View article: Oxygen-Vacancy Engineered SnO2 Dots on rGO with N-Doped Carbon Nanofibers Encapsulation for High-Performance Sodium-Ion Batteries
Oxygen-Vacancy Engineered SnO2 Dots on rGO with N-Doped Carbon Nanofibers Encapsulation for High-Performance Sodium-Ion Batteries Open
The widespread adoption of sodium-ion batteries (SIBs) remains constrained by the inherent limitations of conventional anode materials, particularly their inadequate electronic conductivity, limited active sites, and pronounced structural …
View article: Influence of electric and flow field characteristics on the cleaning of fillers for FCCS electrostatic separation
Influence of electric and flow field characteristics on the cleaning of fillers for FCCS electrostatic separation Open
View article: A Learning-Based Inexact ADMM for Solving Quadratic Programs
A Learning-Based Inexact ADMM for Solving Quadratic Programs Open
Convex quadratic programs (QPs) constitute a fundamental computational primitive across diverse domains including financial optimization, control systems, and machine learning. The alternating direction method of multipliers (ADMM) has eme…
View article: Numerical simulation of the two-phase flow and pollutant concentration changes in an oxidation ditch: A computational fluid dynamics and activated sludge model 3 approach
Numerical simulation of the two-phase flow and pollutant concentration changes in an oxidation ditch: A computational fluid dynamics and activated sludge model 3 approach Open
In this study, a computational fluid dynamics (CFD) model integrated with activated sludge model 3 (ASM3), which is based on the tandem reactor model (tank-in-series (TIS) method), is proposed to simulate the oxygen mass transfer process a…
View article: Defect-Rich Co(OH)2 Induced by Carbon Dots for Oxygen Evolution Reaction
Defect-Rich Co(OH)2 Induced by Carbon Dots for Oxygen Evolution Reaction Open
Hydrogen production from water electrolysis offers a highly promising and sustainable route to solve the energy crisis. However, it is severely limited by the sluggish kinetics of the oxygen evolution reaction (OER) occurring on the anode.…
View article: Improving the structure of electric desalting vessels by CFD simulation
Improving the structure of electric desalting vessels by CFD simulation Open
The internal structure of electric desalting vessels is an important factor affecting the performance of crude oil dehydration and desalination. The flow and distribution of oil–water emulsions are generally not fully considered in the tra…
View article: Effect of insoluble particles as nucleation cores on the condensation flow of water vapor in a supersonic separator
Effect of insoluble particles as nucleation cores on the condensation flow of water vapor in a supersonic separator Open
View article: Effect of thermal longitudinal spin fluctuations on the elastic properties of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Ni</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:mi>Nb</mml:mi></mml:mrow></mml:math>
Effect of thermal longitudinal spin fluctuations on the elastic properties of Open
Using an efficient first-principles computational approach, we investigate the influence of the thermal longitudinal spin fluctuations (LSFs) within the nickel sublattices on the thermoelastic properties of Ni3Nb with D022 structure. Lever…
View article: Molecular Dynamics Simulation on the Process of Ultrasonic Viscosity Reduction
Molecular Dynamics Simulation on the Process of Ultrasonic Viscosity Reduction Open
In this work, through experiments and molecular dynamics simulations, it was found that the viscosity of heavy oil decreased significantly after ultrasonic treatment, and the viscosity reduction rate can be up to 60%. The simulation result…
View article: Facilitated the discovery of new γ/γ′ Co-based superalloys by combining first-principles and machine learning
Facilitated the discovery of new γ/γ′ Co-based superalloys by combining first-principles and machine learning Open
Superalloys are indispensable materials for the fabrication of high-temperature components in aircraft engines. The discovery of a novel class of γ/γ′ Co-Al-W alloys has ignited a surge of interest in Co-based superalloys, with the aspirat…
View article: Cu Aerogel with Low Density, High Purity, and Oxidation Resistance for Bright X‐Ray Backlight
Cu Aerogel with Low Density, High Purity, and Oxidation Resistance for Bright X‐Ray Backlight Open
Cu aerogel is an ideal material as the X‐ray backlight target in laser diagnosis experiments owing to its porous structure and K‐shell X‐ray emission spectrum. However, because of their poor formability and oxidation resistance, the prepar…
View article: Analysis of Electric Breakup Characteristics of Emulsion Droplets Based on Dissipative Particle Dynamics Method
Analysis of Electric Breakup Characteristics of Emulsion Droplets Based on Dissipative Particle Dynamics Method Open
Crude oil desalination and dehydration are necessary for storage, transportation, and processing procedures. However, the behaviour of fine emulsion droplets under an electric field has always been questioned. This paper modified the dissi…
View article: Investigation and Optimization of Textured Water-lubricated Journal Bearings Using Multi-objective Optimization
Investigation and Optimization of Textured Water-lubricated Journal Bearings Using Multi-objective Optimization Open
Water lubricated bearings can be used to reduce contamination due to lubricant leakage in heavy machinery such as power positioning systems of offshore platforms and ship propulsion systems. The lubrication model of a textured two-dimensio…
View article: Asymmetric transmission for linearly polarized terahertz waves without polarization conversion
Asymmetric transmission for linearly polarized terahertz waves without polarization conversion Open
In this study, a novel metamaterial (MM) architecture is presented, which comprises cut wires and split-ring resonators (SRRs) and demonstrates asymmetric transmission characteristics. Unlike previously reported multi-layer chiral structur…
View article: Organic‐Hydrochloride‐Modified ZnO Electron Transport Layer for Efficient Defect Passivation and Stress Release in Rigid and Flexible all Inorganic Perovskite Solar Cells
Organic‐Hydrochloride‐Modified ZnO Electron Transport Layer for Efficient Defect Passivation and Stress Release in Rigid and Flexible all Inorganic Perovskite Solar Cells Open
All inorganic CsPbI 2 Br perovskite (AIP) has attracted great attention due to its excellent resistance against thermal stress as well as the remarkable capability to deliver high‐voltage output. However, CsPbI 2 Br perovskite solar cells …
View article: Stability Analysis of the Rotor-Journal Bearing System Considering Shear and Gaseous Cavitation
Stability Analysis of the Rotor-Journal Bearing System Considering Shear and Gaseous Cavitation Open
Part of the gas phase within the bearing emanates from the gaseous lubricating medium generated by the phase transition of the liquid lubricant under low pressure, while the remaining portion originates from the expansion of gases, such as…
View article: Nonstoichiometric In–S group yielding efficient carrier transfer pathway in In<sub>2</sub>S<sub>3</sub> photoanode for solar water oxidation
Nonstoichiometric In–S group yielding efficient carrier transfer pathway in In<sub>2</sub>S<sub>3</sub> photoanode for solar water oxidation Open
The construction of high‐efficiency photoanodes is essential for developing outstanding photoelectrochemical (PEC) water splitting cells. Furthermore, insufficient carrier transport capabilities and sluggish surface water oxidation kinetic…
View article: Influence of Mass Conservation Cavitation Boundary on Transient Start-Up Performance of Water-Lubricated Bearings Under Multiple Operating Conditions
Influence of Mass Conservation Cavitation Boundary on Transient Start-Up Performance of Water-Lubricated Bearings Under Multiple Operating Conditions Open
View article: Influence of filler characteristics on particle removal in fluid catalytic cracking slurry under an alternating electric field
Influence of filler characteristics on particle removal in fluid catalytic cracking slurry under an alternating electric field Open
The characteristics of the packing material under an alternating electric field are an important factor in the removal of FCCS particles. In this study, the electric field distribution of a separation unit consisting of packed spheres unde…
View article: Numerical simulation and improvement of combustor structure in 3D printed sand recycling system
Numerical simulation and improvement of combustor structure in 3D printed sand recycling system Open
In this paper, a new combustor with an output of 5 t/h is designed based on a computational particle fluid dynamics (CPFD) model. The flow field simulation is combined with the combustion simulation to analyze the internal two-phase flow, …
View article: Porphyrins‐Assisted Cocatalyst Engineering with CoOV Bond in BiVO<sub>4</sub> Photoanode for Efficient Oxygen Evolution Reaction
Porphyrins‐Assisted Cocatalyst Engineering with CoOV Bond in BiVO<sub>4</sub> Photoanode for Efficient Oxygen Evolution Reaction Open
The application of photoelectrochemical (PEC) water splitting is limited by the sluggish surface oxygen evolution reaction (OER) kinetics. OER kinetics can be effectively improved through cocatalyst engineering. However, the tardy transfer…
View article: Effects of the properties of FCCS on the removing of catalyst particles from FCCS under a DC electrostatic field
Effects of the properties of FCCS on the removing of catalyst particles from FCCS under a DC electrostatic field Open
Catalytic cracking is the main method to lighten heavy crude oil, this process can produce high quality oil products such as gasoline and diesel, but also produces a large amount of fluid catalytic cracking slurry (FCCS). The catalyst part…
View article: Mechanism Analysis of Heavy Oil Viscosity Reduction by Ultrasound and Viscosity Reducers Based on Molecular Dynamics Simulation
Mechanism Analysis of Heavy Oil Viscosity Reduction by Ultrasound and Viscosity Reducers Based on Molecular Dynamics Simulation Open
Ultrasound and viscosity reducers are commonly used methods to reduce the viscosity of heavy oil. In order to compare the viscosity reduction effects of ultrasound and viscosity reducers and study their mechanism of interaction on heavy oi…
View article: The positive effect of formaldehyde on the photocatalytic renoxification of nitrate on TiO <sub>2</sub> particles
The positive effect of formaldehyde on the photocatalytic renoxification of nitrate on TiO <sub>2</sub> particles Open
Renoxification is the process of recycling NO3- / HNO3 into NOx under illumination and is mostly ascribed to the photolysis of nitrate. TiO2, a typical mineral dust component, is able to play a photocatalytic role in the renoxification pro…