Chun Na Zhao

ORCID: 0009-0007-7208-9197
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About
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Research Areas
  • Advanced Measurement and Detection Methods
  • Educational Technology and Assessment
  • Optical Systems and Laser Technology
  • Radar Systems and Signal Processing
  • Text and Document Classification Technologies
  • Engineering Education and Curriculum Development
  • Direction-of-Arrival Estimation Techniques
  • Acute Kidney Injury Research
  • Advanced MRI Techniques and Applications
  • Venous Thromboembolism Diagnosis and Management
  • Topic Modeling
  • Liver Disease and Transplantation
  • MRI in cancer diagnosis
  • Eosinophilic Esophagitis
  • Fractional Differential Equations Solutions
  • Target Tracking and Data Fusion in Sensor Networks
  • Helicobacter pylori-related gastroenterology studies
  • Hepatocellular Carcinoma Treatment and Prognosis
  • IL-33, ST2, and ILC Pathways
  • Cerebral Venous Sinus Thrombosis
  • Traffic control and management
  • Liver Disease Diagnosis and Treatment
  • Sentiment Analysis and Opinion Mining
  • Ultrasound and Hyperthermia Applications
  • Research studies in Vietnam

Yunnan University
2015-2023

Chengdu Jincheng College
2023

Second People's Hospital of Yunnan Province
2023

Chengdu Medical College
2023

Daqing Oilfield General Hospital
2023

Capital Normal University
2011

Introduction: The side effects of conventional therapy for acute deep vein thrombosis (DVT) are severe, with inflammatory reactions playing a pivotal role. It is particularly important to explore new ways treatment by targeting factors. Methods: A targeted microbubble contrast agent was prepared using the biotin-avidin method. 40 DVT model rabbits were established and divided into four groups according different regimens. coagulation indexes, TNF-α, D-dimer content experimental animals...

10.3389/fbioe.2023.1163405 article EN cc-by Frontiers in Bioengineering and Biotechnology 2023-03-16

Recently, the effects of Helicobacter pylori (H. pylori) infection on prognosis chronic atrophic gastritis (CAG) are still unclear. The aim our study was to discuss role H. CAG by inducing M1/M2 macrophage polarization.A total 180 subjects as control (group 1), patients without 2) and pylori-associated 3) were respectively recruited for this cross-sectional investigation in Daqing Oilfield General Hospital from May 2019 July 2020. Their serum samples collected determine concentrations...

10.14740/gr1636 article EN Gastroenterology Research 2023-08-01

Abstract Objective To assess the potential of intravoxel incoherent motion (IVIM) and diffusion kurtosis imaging (DKI) in monitoring renal changes a diabetic nephropathy (DN) rat model with acute kidney injury (CI-AKI) induced by iso-osmotic contrast media (IOCM) low-osmotic (LOCM). Methods A was established, animals were randomly split into LOCM group IOCM ( n = 13 per group), iopamidol iodixanol injection, respectively (4 g iodine/kg). MRI including IVIM DKI performed 24 h before medium...

10.1186/s13244-022-01249-w article EN cc-by Insights into Imaging 2022-06-29

To overcome the shortcomings of traditional passive-radar-seeker(PRS) for anti-decoy, a complex angle measuring method is proposed in this letter. The consists monopulse and spatial spectrum estimation, two angle-measuring units. PRS can get high-resolution features through method. So it possible that confronts decoy. Finally, simulation results verify feasibility anti-decoy capacity

10.4028/www.scientific.net/amm.55-57.272 article EN Applied Mechanics and Materials 2011-05-03

Traffic flow is a worldwide problem. It has many influencing factors and it the complex system. Fractional calculus powerful tool for dealing with systems. direct way of extending traditional integer order calculus, which allows to be fraction. model achieves better results than model. A linear fractional based on Grunwald–Letnikov’s definition traffic proposed in this paper. City road system composed large number dynamic behaviors participant. highly nonlinear non-stationary Firstly,...

10.14738/tmlai.36.1688 article EN Transactions on Machine Learning and Artificial Intelligence 2015-12-30

Course evaluation is an important and necessary means to improve the level of course. A new course method based on fractional grey relational distance analytic hierarchy process (AHP) proposed in this paper. Firstly, proportion different influence factors can be determined through constructing judging-matrix calculating-back-to-one dealing with checkout coherence. Secondly, qualitative indicators are quantified by fractional-order system, quantitative processed idealization normalization....

10.4028/www.scientific.net/amr.204-210.512 article EN Advanced materials research 2011-02-21

To overcome the shortcomings of traditional passive-radar-seeker (PRS) for anti-decoy, a complex angle measuring method is proposed in this letter. The consists monopulse and spatial spectrum estimation, two angle-measuring units. PRS can get high-resolution features through method. improve precision stabilization angle-measure active-decoying environment, grey processing approach paper. methods removing gross error parameter estimation based on entropy definition are Using data definitions...

10.4028/www.scientific.net/kem.474-476.40 article EN Key engineering materials 2011-04-01

Course evaluation is necessary means to ensure the improvement of course construction level. A new model proposed based on fractional order systems in this paper. An algorithm for linear founded Grunwald–Letnikov’s calculus definition described. The composed and common coefficient. Model parameters can be determined by a large number data mathematical statistics method. was applied actual work Capital Normal University Information Engineering College. practicability effectiveness method have...

10.4028/www.scientific.net/amr.219-220.130 article EN Advanced materials research 2011-03-01

With the development of Internet and big data technology, unstructured natural language processing (NLP) has become current research hotspot. At same time, semi-supervised model construction is also a widespread concern in field machine learning deep learning. Based on WeChat official account news text data, this paper studies similarity classification with specific tendencies (such as tourism) set without categories. A recognition based Adjust-Jaccard Latent Dirichlet Allocation(LDA)...

10.1145/3594315.3594355 article EN 2023-03-17
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