Zhengfang Li

ORCID: 0009-0007-8932-5918
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Research Areas
  • Metal Forming Simulation Techniques
  • Metallurgy and Material Forming
  • earthquake and tectonic studies
  • Laser and Thermal Forming Techniques
  • Microstructure and mechanical properties
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Advanced Surface Polishing Techniques
  • Video Coding and Compression Technologies
  • Aluminum Alloy Microstructure Properties
  • Geology and Paleoclimatology Research
  • Advanced SAR Imaging Techniques
  • High-pressure geophysics and materials
  • Phytochemistry and biological activities of Ficus species
  • Berberine and alkaloids research
  • Esophageal Cancer Research and Treatment
  • Remote Sensing and Land Use
  • Rheumatoid Arthritis Research and Therapies
  • Spondyloarthritis Studies and Treatments
  • Geological and Geochemical Analysis
  • Advanced Image Processing Techniques
  • Osteoarthritis Treatment and Mechanisms
  • Photoacoustic and Ultrasonic Imaging
  • Geological formations and processes
  • Esophageal and GI Pathology
  • Ginger and Zingiberaceae research

Kunming University
2021-2025

People's Hospital of Xinjiang Uygur Autonomous Region
2022-2025

Xinjiang Medical University
2023-2025

Chongqing Jiaotong University
2021-2024

China Earthquake Administration
2017-2024

Institute of Geology, China Earthquake Administration
2017-2024

Xidian University
2004-2024

Chongqing University
2019-2022

Chongqing Cancer Hospital
2019-2022

Nanjing University of Aeronautics and Astronautics
2017-2021

OBJECTIVE This study aimed to evaluate the efficacy and safety of mulberry twig alkaloids (Sangzhi [SZ-A]) in treatment type 2 diabetes (T2D). RESEARCH DESIGN AND METHODS was a multicenter, randomized, double-blind, double-dummy, parallel controlled noninferiority clinical trial that conducted for 24 weeks. A total 600 patients were randomly allocated SZ-A group (n = 360) or acarbose 240). The primary end point change glycosylated hemoglobin (HbA1c) compared with baseline. In addition,...

10.2337/dc20-2109 article EN Diabetes Care 2021-04-08

Abstract Surface-enhanced Raman spectroscopy (SERS), as a rapid, non-invasive and reliable spectroscopic detection technique, has promising applications in disease screening diagnosis. In this paper, an annealed silver nanoparticles/porous silicon Bragg reflector (AgNPs/PSB) composite SERS substrate with high sensitivity strong stability was prepared by immersion plating heat treatment using porous (PSB) the substrate. The combines five deep learning algorithms of improved AlexNet, ResNet,...

10.1038/s41598-023-42719-5 article EN cc-by Scientific Reports 2023-09-21

Counting the number of transplanted crops is a crucial link in agricultural production, serving as key method to promptly obtain information on crop growth conditions and ensure yield quality. The existing counting methods primarily rely manual or estimation, which are inefficient, costly, difficult evaluate statistically. Additionally, some deep-learning-based algorithms can only large-scale remote sensing images obtained by Unmanned Aerial Vehicles (UAVs) into smaller sub-images for...

10.3390/agriculture15050511 article EN cc-by Agriculture 2025-02-26

Objective This study aims to examine the impact of systemic lupus erythematosus (SLE) on various organs and tissues throughout body. SLE is a chronic autoimmune disease that, if left untreated, can lead irreversible damage these organs. In severe cases, it even be life-threatening. It has been demonstrated that prompt diagnosis treatment are crucial for improving patient outcomes. However, applying spectral data in classification activity assessment reveals high degree overlap significant...

10.3389/fimmu.2025.1467027 article EN cc-by Frontiers in Immunology 2025-03-10

<title>Abstract</title> Aluminum alloys are widely used in various fields due to their excellent material properties, but the forming of aerospace small-batch aluminum thin-walled structures at room temperature often faces challenges such as cracking, poor accuracy, or even failure. This study combines incremental process with thermal-assisted techniques effectively improve accuracy alloy materials, thereby meeting needs for and customized product manufacturing. In thermal forming, is...

10.21203/rs.3.rs-6102798/v1 preprint EN cc-by Research Square (Research Square) 2025-04-01

Abstract The aim of this study was to explore the feasibility Raman spectroscopy combined with computer algorithms in diagnosis primary Sjögren syndrome (pSS). In study, spectra 60 serum samples were acquired from 30 patients pSS and healthy controls (HCs). means standard deviations raw HCs calculated. Spectral features assigned based on literature. Principal component analysis (PCA) used extract spectral features. Then, a particle swarm optimization (PSO)-support vector machine (SVM)...

10.1038/s41598-023-29943-9 article EN cc-by Scientific Reports 2023-03-29

10.1007/s00170-018-1792-5 article EN The International Journal of Advanced Manufacturing Technology 2018-03-02

The separation of non-magnetic non-ferrous metals such as copper and aluminum from scrapped automobiles is a critical area research due to the increasing number end-of-life vehicles. Traditional eddy current methods have limitations, particularly in handling large-sized broken parts. This paper proposes novel magnetic roller model featuring circumferential–axial periodic arrangement permanent magnets. study explores external field distribution this new design by constructing an equivalent...

10.3390/pr12102168 article EN Processes 2024-10-04

Introduce Ankylosing spondylitis (AS), rheumatoid arthritis (RA), and osteoarthritis (OA) are three rheumatic immune diseases with many common characteristics. If left untreated, they can lead to joint destruction functional limitation, in severe cases, cause lifelong disability even death. Studies have shown that early diagnosis treatment key improving patient outcomes. Therefore, a rapid accurate method for of has been established, which is great clinical significance realizing prognosis....

10.3389/fimmu.2023.1328228 article EN cc-by Frontiers in Immunology 2023-12-15

In order to simulate the flow behavior and microstructure evolution during pass interval period of multi-pass deformation process, models static recovery (SR) recrystallization (SRX) by cellular automaton (CA) method for 7055 aluminum alloy were established. Double-pass hot compression tests conducted acquire stress variation period. With basis material constants obtained from tests, SR, incubation period, nucleation rate grain growth fitted least square method. A model topology a...

10.1088/1361-651x/aa7121 article EN Modelling and Simulation in Materials Science and Engineering 2017-05-04

The ground-motion simulation of regional-specific earthquake scenarios is crucial for the seismic design key facilities. Herein, we considered parameter uncertainty in simulations and impact multiple faults when determining maximum credible parameters large earthquakes at a near-field dam. source models Daju–Lijiang, Xiaozhongdian–Daju, Longpan–Qiaohou were established based on geological geophysical data. Although method identifying asperity not yet mature still faces many difficulties, it...

10.3390/app14135628 article EN cc-by Applied Sciences 2024-06-27

The forming defects of parts mainly include fracture, springback, thermal expansion, and rough surface during electric hot incremental forming, in which the springback expansion directly affects dimensional accuracy parts. In this paper, combined optimization process parameters unsupported distances was proposed to control sheet process. predictive model major errors established through response methodology, then multi-objective optimal obtained using Non-dominated Sorting Genetic...

10.3390/coatings13050923 article EN Coatings 2023-05-15

Recovering copper foil and crushed aluminum from end-of-life vehicles (ELVs) is a significant issue in the recycling industry. As key technology for sorting aluminum, copper, other non-ferrous metals, eddy current separation (ECS) efficient isolating metals according to their different electrical conductivity density. However, further research still needed of large-size scrapped vehicles. In this study, support vector regression (SVR) sparrow search algorithm (SSA) are exploited first time...

10.3390/su151813451 article EN Sustainability 2023-09-08

Rheumatoid arthritis and Ankylosing spondylitis are two common autoimmune inflammatory rheumatic diseases that negatively affect activities of daily living can lead to structural functional disability, reduced quality life. Here, this study utilized Fourier transform infrared (FTIR) spectroscopy on dried serum samples achieved early diagnosis rheumatoid ankylosing based deep learning models. A total 243 were collected in study, including 81 each from spondylitis, arthritis, healthy controls....

10.1016/j.pdpdt.2023.103885 article EN cc-by-nc-nd Photodiagnosis and Photodynamic Therapy 2023-11-05

The edge warpage of a Ti-6Al-4V ripple disc is major forming defect during electric hot incremental forming, which can lead to significant dimensional error. In this paper, novel manufacturing method, namely the combination and electrically assisted sizing, has been proposed improve defect. effect process parameters on fracture was analysed in detail, then an optimal obtained ensure successful disc. On basis, sizing device current were separately designed eliminate discs. According...

10.5545/sv-jme.2023.545 article EN Strojniški vestnik – Journal of Mechanical Engineering 2024-01-31
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