Junwei Guo
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View article: Onset of turbulence and layering in stratified columnar Taylor–Green vortices
Onset of turbulence and layering in stratified columnar Taylor–Green vortices Open
We use direct numerical simulations to examine the onset of stratified turbulence triggered by the zigzag instability recently identified in columnar Taylor–Green vortices (Guo et al. 2024, J. Fluid Mech., vol. 997, A34) and its role in la…
View article: Construction and interpretation of tobacco leaf position discrimination model based on interpretable machine learning
Construction and interpretation of tobacco leaf position discrimination model based on interpretable machine learning Open
Tobacco leaf position is closely associated with its quality whose material basis is the chemical components of tobacco leaf. In recent years, near-infrared (NIR) spectroscopy combined with algorithmic models has emerged as a popular metho…
View article: Experimental study on thermal environment and pollutant distribution during the cooling stage in a graphitization plant with an ultra-large surface pollution source
Experimental study on thermal environment and pollutant distribution during the cooling stage in a graphitization plant with an ultra-large surface pollution source Open
View article: Simulation and experimental verification of the precision finishing method for optical free-form surface segmentation
Simulation and experimental verification of the precision finishing method for optical free-form surface segmentation Open
Optical free-form surfaces are often used to manufacture optical components such as lenses and mirrors, and free zone surface optical components are widely used in aerospace optics. To address the issues of low processing quality and overa…
View article: Association Between <scp>TyG</scp>‐<scp>BMI</scp> Index and Hyperuricemia in Adult Women
Association Between <span>TyG</span>‐<span>BMI</span> Index and Hyperuricemia in Adult Women Open
Purpose This study aimed to explore the relationship between hyperuricemia (HUA), the triglyceride‐glucose index (TyG) and its derivatives in adult women. Methods A cross‐sectional analysis was conducted on 1105 female patients from Shangh…
View article: Association between lymphocyte to high-density lipoprotein cholesterol ratio and insulin resistance and metabolic syndrome in US adults: results from NHANES 2007–2018
Association between lymphocyte to high-density lipoprotein cholesterol ratio and insulin resistance and metabolic syndrome in US adults: results from NHANES 2007–2018 Open
View article: Integrating visual encoding-based methods with improved deep learning models for enhanced near-infrared spectroscopy
Integrating visual encoding-based methods with improved deep learning models for enhanced near-infrared spectroscopy Open
View article: Geographical Origin Discrimination and Chemical Characterization of Tobacco Leaves from Multiple Origins Using Chemical Composition and Chemometrics Approaches
Geographical Origin Discrimination and Chemical Characterization of Tobacco Leaves from Multiple Origins Using Chemical Composition and Chemometrics Approaches Open
View article: Encapsulation of Eriobotrya Japonica Polyphenols in Soybean Protein Isolate-Dextran Conjugate Nanogels: A Strategy to Enhance Stability and Bioavailability
Encapsulation of Eriobotrya Japonica Polyphenols in Soybean Protein Isolate-Dextran Conjugate Nanogels: A Strategy to Enhance Stability and Bioavailability Open
View article: Sex-Based Differences in the Associations Between Obesity- and Lipid-Related Indexes and Hyperuricemia Risk in Patients with Obesity
Sex-Based Differences in the Associations Between Obesity- and Lipid-Related Indexes and Hyperuricemia Risk in Patients with Obesity Open
Sex-based differences exist regarding the risk factors for hyperuricemia in patients with obesity. An elevated TyG-WC index is linked to an increased risk in males, while an elevated TyG index is associated with an increased risk in female…
View article: Zigzag instability of columnar Taylor–Green vortices in a strongly stratified fluid
Zigzag instability of columnar Taylor–Green vortices in a strongly stratified fluid Open
We investigate the dynamics of a columnar Taylor–Green vortex array under strong stratification, focusing on Froude numbers $0.125\leq Fr \leq 1.0$ , with the aim of identifying and understanding the primary instabilities that lead to the …
View article: MOSCATO Development and Integration in Fiscal Year 2024
MOSCATO Development and Integration in Fiscal Year 2024 Open
MOSCATO (Molten Salt Chemistry and Transport) is a multiphysics code that provides high-fidelity, coupled simulations of fluid flow, heat transfer, mass transfer, chemistry, electrochemical phenomena, and alloy evolution for molten salt eq…
View article: Demonstration of high-efficiency microwave heating producing record highly charged xenon ion beams with superconducting electron cyclotron resonance ion sources
Demonstration of high-efficiency microwave heating producing record highly charged xenon ion beams with superconducting electron cyclotron resonance ion sources Open
Intense highly charged ion beam production is essential for high-power heavy ion accelerators. A novel movable Vlasov launcher for superconducting high charge state electron cyclotron resonance ion source has been devised that can affect t…
View article: Flow-field characteristics of the thermal plume above an elliptical high-temperature heat source surface
Flow-field characteristics of the thermal plume above an elliptical high-temperature heat source surface Open
The thermal plume formed by the high-temperature elliptical heat source surface during the smelting process is often captured and removed by the local exhaust system. Accurately mastering the flow-field characteristics of such high-tempera…
View article: Demonstration of High-Efficiency Microwave Heating Producing Record Highly Charged Xenon Ion Beams with Superconducting ECR Ion Sources
Demonstration of High-Efficiency Microwave Heating Producing Record Highly Charged Xenon Ion Beams with Superconducting ECR Ion Sources Open
Intense highly charged ion beam production is essential for high-power heavy ion accelerators. A novel movable Vlasov launcher for superconducting high charge state Electron Cyclotron Resonance (ECR) ion source has been devised that can af…
View article: Impact of <i>N</i>-Methyl-2-pyrrolidone Erosion on Surface Functional Groups and Pore Evolution in Coals of Different Ranks
Impact of <i>N</i>-Methyl-2-pyrrolidone Erosion on Surface Functional Groups and Pore Evolution in Coals of Different Ranks Open
In low-permeability coal reservoirs, utilizing the organic solvent N-methyl-2-pyrrolidone (NMP) has emerged as an effective approach to improving the coal pore structure and enhancing coalbed methane productivity. However, the exact…
View article: Inverse estimation of the release rate of the heated pollutant source with strong convection and its application to the exhaust system design
Inverse estimation of the release rate of the heated pollutant source with strong convection and its application to the exhaust system design Open
View article: Determining the bulk viscosity in clay–sand mixtures: A combined investigation with slump tests and lattice Boltzmann simulations
Determining the bulk viscosity in clay–sand mixtures: A combined investigation with slump tests and lattice Boltzmann simulations Open
Viscosity measurements for clay slurry and sand mixtures can be challenging for standard rheometers because of the sand particles. To solve this, we suggest combining slump test experiments with numerical simulations. Slump tests are perfo…
View article: Behavioral Investigations of Wet Particles Collisional & Adhesion and Delamination Stratification by Vibrational Fluidization
Behavioral Investigations of Wet Particles Collisional & Adhesion and Delamination Stratification by Vibrational Fluidization Open
View article: Novel Low-Rank Coal Upgrading Method Via Flash Evaporation: Drying Behavior of Various Moisture Forms and Physicochemical Properties Changes
Novel Low-Rank Coal Upgrading Method Via Flash Evaporation: Drying Behavior of Various Moisture Forms and Physicochemical Properties Changes Open
View article: FRIB Beam Power Ramp-up: Status and Plans
FRIB Beam Power Ramp-up: Status and Plans Open
After project completion on scope, on cost, and ahead of schedule, the Facility for Rare Isotope Beams began operations for scientific users in May of 2022. The ramp-up to a beam power of 400 kW is planned over a six-year period; 1 kW was …
View article: A Lightweight convolutional neural network for nicotine prediction in tobacco by near-infrared spectroscopy
A Lightweight convolutional neural network for nicotine prediction in tobacco by near-infrared spectroscopy Open
The content of nicotine, a critical component of tobacco, significantly influences the quality of tobacco leaves. Near-infrared (NIR) spectroscopy is a widely used technique for rapid, non-destructive, and environmentally friendly analysis…
View article: Degradation of Imidacloprid in Waterby a DBD Plasma
Degradation of Imidacloprid in Waterby a DBD Plasma Open
International audience
View article: Preparation of Functionalized Zr-Based MOFs and MOFs/GO for Efficient Removal of 1,3-Butadiene from Cigarette Smoke
Preparation of Functionalized Zr-Based MOFs and MOFs/GO for Efficient Removal of 1,3-Butadiene from Cigarette Smoke Open
Removal of 1,3-butadiene from cigarette smoke plays an important role in human health and environmental protection. Herein, a series of UiO-66 X% containing different ratios of the -NH2 group was synthesized via the solvothermal method by …
View article: Study on Preparation of Ultra-Clean Coal Based on Ionic Liquid
Study on Preparation of Ultra-Clean Coal Based on Ionic Liquid Open
View article: FRIB Transition to User Operations, Power Ramp Up, and Upgrade Perspectives
FRIB Transition to User Operations, Power Ramp Up, and Upgrade Perspectives Open
After project completion on scope, on cost, and ahead of schedule, the Facility for Rare Isotope Beams began operations for scientific users in May of 2022. During the first 12 months of user operations, the FRIB accelerator complex delive…
View article: Inverse Estimation of the Release Rate of the Heated Pollutant Source with Strong Convection and its Application to the Exhaust System Design
Inverse Estimation of the Release Rate of the Heated Pollutant Source with Strong Convection and its Application to the Exhaust System Design Open
View article: Enhancing Power Plants Coal Upgrading: Investigation and Optimization of Steam Flash Drying Method
Enhancing Power Plants Coal Upgrading: Investigation and Optimization of Steam Flash Drying Method Open
View article: Just-in-Time Learning-Integrated Partial Least-Squares Strategy for Accurately Predicting 71 Chemical Constituents in Chinese Tobacco by Near-Infrared Spectroscopy
Just-in-Time Learning-Integrated Partial Least-Squares Strategy for Accurately Predicting 71 Chemical Constituents in Chinese Tobacco by Near-Infrared Spectroscopy Open
Near-infrared spectroscopy has been widely used to characterize the chemical composition of tobacco because it is fast, economical, and nondestructive. However, few predictive models perform ideally when applied to large spectral libraries…
View article: Concentration prediction of imidacloprid in water through the combination of Fourier transform infrared spectral data and 1DCNN with multilevel feature fusion
Concentration prediction of imidacloprid in water through the combination of Fourier transform infrared spectral data and 1DCNN with multilevel feature fusion Open