Chang Ming Li
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View article: Normalized solutions of $L^2$ supercritical NLS equations in exterior domains with inhomogeneous nonlinearities
Normalized solutions of $L^2$ supercritical NLS equations in exterior domains with inhomogeneous nonlinearities Open
This paper establishes the existence of normalized mountain pass solutions to the $L^2$-supercritical nonlinear Schrödinger equation with inhomogeneous nonlinearity $|x|^{-α}|u|^{p-2}u$ in exterior domains. In contrast, for the autonomous …
View article: Research on solar energy resource assessment technology and its application in photovoltaic construction projects in typical rocky desertification mountainous areas of Guizhou
Research on solar energy resource assessment technology and its application in photovoltaic construction projects in typical rocky desertification mountainous areas of Guizhou Open
This study assesses solar energy resources in a photovoltaic (PV) project area of Guizhou’s rocky desertification mountains, using climatological calculation, remote sensing inversion, and multi-source satellite data, and compares key indi…
View article: Rice origin traceability using mid-infrared and fluorescence spectral data fusion
Rice origin traceability using mid-infrared and fluorescence spectral data fusion Open
This study overcomes the limitations of traditional single-spectroscopy techniques by constructing an intelligent discrimination system for rice geographic origin that integrates mid-infrared (MIR) and fluorescence (FLU) spectral feature f…
View article: Antibiotic resistance profile and molecular mechanism of enterococci in traditional fermented yogurts
Antibiotic resistance profile and molecular mechanism of enterococci in traditional fermented yogurts Open
Enterococci are present in traditional fermented foods, but their potential role as reservoirs of antibiotic resistance and virulence genes has raised concerns about food safety. To evaluate the prevalence of antibiotic-resistant enterococ…
View article: Enhanced Lateral Growth of Homoepitaxial (001) Diamond by Microwave Plasma Chemical Vapor Deposition with Nitrogen Addition
Enhanced Lateral Growth of Homoepitaxial (001) Diamond by Microwave Plasma Chemical Vapor Deposition with Nitrogen Addition Open
Diamond, as an exceptional material with many superior properties, requires a single crystal in a reasonably large size for practical industrial applications. However, achieving large-area single-crystal diamond (SCD) growth without the fo…
View article: Metal-organic framework-derived hollow NiCo2O4 spinel arrays coupled with Pd-Ni bimetallic sites for efficient CO2 hydrogenation to formate
Metal-organic framework-derived hollow NiCo2O4 spinel arrays coupled with Pd-Ni bimetallic sites for efficient CO2 hydrogenation to formate Open
CO2 hydrogenation to formate is an effective strategy for promoting the sustainable carbon cycle. However, formate yields are significantly influenced by the amount of noble metal (e.g., Pd) used. Here, we present Pd-Ni synergistic catalys…
View article: Study on the compression molding of pure Cu powder particles with a normal distribution of particle size
Study on the compression molding of pure Cu powder particles with a normal distribution of particle size Open
For the past several years, the behavior of pure Cu powder particles with a normal distribution of sizes during the bidirectional die pressing process has remained a fundamental challenge in the field of powder metallurgy, particularly the…
View article: Numerical simulation of bidirectional compression molding of binary composite powder particles
Numerical simulation of bidirectional compression molding of binary composite powder particles Open
Powder metallurgy is a cornerstone of advanced manufacturing and faces research challenges in achieving fully densified and homogeneous microstructures, especially for composites with different compositions. The study of the micromechanics…
View article: Exploration of Physiological Reference Intervals for Thyroid Function During the First Trimester of Twin Pregnancy
Exploration of Physiological Reference Intervals for Thyroid Function During the First Trimester of Twin Pregnancy Open
Objective:To explore specific reference intervals for serum thyroid-stimulating hormone (TSH) and free thyroxine (FT4) during the first trimester of twin pregnancies in Nanchong City and compare them with those of singleton pregnancies. Me…
View article: Tuning Rational Micropore/Mesopores Network Structure of Biomass‐Derived Carbon/Sulfur Cathode for High‐Performance Na‐S Batteries
Tuning Rational Micropore/Mesopores Network Structure of Biomass‐Derived Carbon/Sulfur Cathode for High‐Performance Na‐S Batteries Open
Sluggish electrode kinetics and polysulfide dissolution severely hinder room‐temperature sodium‐sulfur batteries (RT Na‐S) from achieving high‐theoretical capacity and low cost. Metal‐based catalysts are often used to absorb polysulfide in…
View article: Evaluating an Artificial Intelligence decision support system for the Emergency Department: A Retrospective Study (Preprint)
Evaluating an Artificial Intelligence decision support system for the Emergency Department: A Retrospective Study (Preprint) Open
View article: Fixed Particle Size Ratio Pure Copper Metal Powder Molding Fine Simulation Analysis
Fixed Particle Size Ratio Pure Copper Metal Powder Molding Fine Simulation Analysis Open
In this paper, a discrete element method (DEM) coupled with a finite element method (FEM) was used to elucidate the impact of packing structures and size ratios on the cold die compaction behavior of pure copper powders. HCP structure, SC …
View article: DEM-FEM Simulation of Double Compaction of Cu and Al Composite Metal Powders with Multiple Particle Sizes
DEM-FEM Simulation of Double Compaction of Cu and Al Composite Metal Powders with Multiple Particle Sizes Open
In this paper, the analysis method which coupled discrete element method (DEM) and finite element method (FEM) is used to simulate the double compaction of random packing of Cu and Al composite powders with multiple particle sizes. Cu and …
View article: A General Interfacial‐Tuning Strategy for Synthesis of Delocalized Molybdenum Dioxide‐Based Rods Enables Efficient Na <sup>+</sup> Storage
A General Interfacial‐Tuning Strategy for Synthesis of Delocalized Molybdenum Dioxide‐Based Rods Enables Efficient Na <sup>+</sup> Storage Open
Molybdenum dioxide (MoO 2 ), notable for its rich presence of heterogeneous junctions, is extensively utilized in a variety of battery applications. Herein, a comprehensive interface control strategy for synthesizing rod‐like MoO 2 ‐based …
View article: Dispersed Graphene Nanosheets Enhance Piezoelectricity of Poly (L‐lactic acid) Nanofibrous Scaffold to Promote Bone Defect Repair
Dispersed Graphene Nanosheets Enhance Piezoelectricity of Poly (L‐lactic acid) Nanofibrous Scaffold to Promote Bone Defect Repair Open
The reconstruction of a localized electrical microenvironment at the defect site is considered an effective strategy to promote bone regeneration by mimicking the electrophysiological properties of natural bone tissue. Nano‐piezoelectric m…
View article: Existence of nonzero nonnegative solutions of Sturm-Liouville boundary value problems and applications
Existence of nonzero nonnegative solutions of Sturm-Liouville boundary value problems and applications Open
View article: The relationship between complex PTSD and dissociation: A longitudinal study
The relationship between complex PTSD and dissociation: A longitudinal study Open
Introduction Complex post-traumatic stress disorder (C-PTSD) is closely associated with dissociative symptoms. Both of which are common responses to trauma and stress. Yet, not all individuals with C-PTSD experience high levels of dissocia…
View article: Inert Heteroatom Substitution to Modulate Dual‐Metal‐Sites for Boosting Photoreduction of Diluted CO<sub>2</sub>
Inert Heteroatom Substitution to Modulate Dual‐Metal‐Sites for Boosting Photoreduction of Diluted CO<sub>2</sub> Open
The precise regulation of active sites to steer reaction pathway for photocatalytic CO 2 reduction is critical, but remains challenges. Herein, an inert heteroatom substitution strategy is developed to activate adjacent dual‐active‐sites f…
View article: Nanoflower‐Like CuPd/CuO Heterostructure for an Energy‐Output Electrocatalytic System Coupling Ammonia Electrosynthesis and Zinc‐Nitrate Battery
Nanoflower‐Like CuPd/CuO Heterostructure for an Energy‐Output Electrocatalytic System Coupling Ammonia Electrosynthesis and Zinc‐Nitrate Battery Open
Electrochemical nitrate reduction reaction (NO 3 RR) can effectively alleviate nitrate pollution and simultaneously realize ammonia electrosynthesis at room temperature. However, it remains a significant challenge for NO 3 RR to achieve hi…
View article: Robust synergistic effects of doping and defect engineering in photocatalytic H2O2 production
Robust synergistic effects of doping and defect engineering in photocatalytic H2O2 production Open
Hydrogen peroxide (H2O2) photosynthesis represents an advanced on-site production method with significant potential for on-demand supply. However, various challenges hinder the efficiency of H2O2 yield, including weak oxygen adsorption cap…
View article: Complex Spiking Neural Network Evaluated by Injury Resistance Under Stochastic Attacks
Complex Spiking Neural Network Evaluated by Injury Resistance Under Stochastic Attacks Open
Background: Brain-inspired models are commonly employed for artificial intelligence. However, the complex environment can hinder the performance of electronic equipment. Therefore, enhancing the injury resistance of brain-inspired models i…
View article: A Closed-Loop Strategy: Simultaneous Upcycling of Waste PET and Electronic Wastewater into Multifunctional MOF Photocatalysts for Metal Recovery and CH3SH Control
A Closed-Loop Strategy: Simultaneous Upcycling of Waste PET and Electronic Wastewater into Multifunctional MOF Photocatalysts for Metal Recovery and CH3SH Control Open
View article: Hydrophilic polyacrylonitrile nanofibrous membranes via Ritter reaction: Preparation, characterization and antibacterial properties (N-halamine)
Hydrophilic polyacrylonitrile nanofibrous membranes via Ritter reaction: Preparation, characterization and antibacterial properties (N-halamine) Open
Electrospun (e-spun) nanofiber materials have emerged as a prominent research focus owing to their extensive and promising potential applications across biomedical, energy, and environmental domains. Polyacrylonitrile (PAN) is a commonly u…
View article: Lattice Strengthening of Na4mnv(Po4)3 By Dual Doping As Advanced Cathode Materials for Sodium-Ion Batteries
Lattice Strengthening of Na4mnv(Po4)3 By Dual Doping As Advanced Cathode Materials for Sodium-Ion Batteries Open
View article: Facile Engineering Bifunctional Rhni Metallene Catalyst for Urea-Assisted Hydrogen Production
Facile Engineering Bifunctional Rhni Metallene Catalyst for Urea-Assisted Hydrogen Production Open
View article: Enhanced electroactivity and diffusion by cobalt atomic clusters impregnated in biomass-derived porous carbon for room temperature Na-S batteries
Enhanced electroactivity and diffusion by cobalt atomic clusters impregnated in biomass-derived porous carbon for room temperature Na-S batteries Open
View article: Integrated Transcriptomic, Proteomic, and Metabolomic Analyses Revealed Molecular Mechanism for Salt Resistance in Soybean (Glycine max L.) Seedlings
Integrated Transcriptomic, Proteomic, and Metabolomic Analyses Revealed Molecular Mechanism for Salt Resistance in Soybean (Glycine max L.) Seedlings Open
Salt stress poses a significant challenge to plant growth and restricts agricultural development. To delve into the intricate mechanisms involved in soybean’s response to salt stress and find targets to improve the salt resistance of soybe…
View article: Investigating the resistance to severe environmental erosion of modified Pisha sandstone composite materials
Investigating the resistance to severe environmental erosion of modified Pisha sandstone composite materials Open
Pisha sandstone (PS) was the main resource of the Yellow River coarse sediment. This study aimed to investigate the microstructural evolution and the erosion resistance of modified Pisha sandstone composite materials (PCM) in severe enviro…
View article: Investigation of mechanical properties and hydration of low-carbon magnesium and calcium-rich waste powder geopolymer paste
Investigation of mechanical properties and hydration of low-carbon magnesium and calcium-rich waste powder geopolymer paste Open
Magnesium and calcium-rich waste powder (MWP) has the potential to be a low-carbon geopolymer cementitious material. This study investigates the mechanical properties and hydration products of low-carbon magnesium and calcium-rich waste po…
View article: A study on the changes in rice composition under reduced fertilization conditions using Raman spectroscopy technology
A study on the changes in rice composition under reduced fertilization conditions using Raman spectroscopy technology Open