A5103180164- Advanced Numerical Methods in Computational Mathematics
- Matrix Theory and Algorithms
- Electromagnetic Scattering and Analysis
- Analytic and geometric function theory
- Pulmonary Hypertension Research and Treatments
- Iterative Methods for Nonlinear Equations
- Image and Object Detection Techniques
- Intensive Care Unit Cognitive Disorders
- COVID-19 Clinical Research Studies
- Medical Image Segmentation Techniques
- Sepsis Diagnosis and Treatment
- Hemodynamic Monitoring and Therapy
- Gut microbiota and health
- Algebraic and Geometric Analysis
- Advanced Mathematical Modeling in Engineering
- Cardiac, Anesthesia and Surgical Outcomes
- Clostridium difficile and Clostridium perfringens research
- Advanced Numerical Analysis Techniques
- Disaster Response and Management
- AI in cancer detection
- Recycling and utilization of industrial and municipal waste in materials production
- COVID-19 diagnosis using AI
- Neutropenia and Cancer Infections
- Heavy Metals in Plants
- Radiomics and Machine Learning in Medical Imaging
Kunming University of Science and Technology
2013-2024
Yunnan Provincial Department of Education
2024
Xinyang Central Hospital
2005-2023
Zhengzhou University
2022
Hunan University of Science and Technology
2022
Ministry of Transport
2019
Central South University
2019
University of Science and Technology of China
2013
Fudan University
2006
The appropriate administration regimen of polymyxin B is yet controversial. present study aimed to explore the optimal dose under therapeutic drug monitoring (TDM) guidance.In China's Henan province, 26 hospitals participated in a randomized controlled trial. We included patients with sepsis caused by carbapenem-resistant Gram-negative bacteria (CR-GNB) susceptible B. were randomly divided into high-dose (HD) group or low-dose (LD) and received 150 mg loading dose, 75 every 12 h 100 50 h,...
The complex and unpredictable path of the vertebral artery is closely related to symptoms such as headaches, dizziness, cerebrovascular diseases. This study aims explore role tortuosity hemodynamics in association with headaches lesion by quantitatively analyzing morphological parameters artery. A total 85 patients headache vascular lesions identified through computed tomography (CT) scans were included. comparative analysis was then conducted assess how different levels affect these...
Abstract In this paper, based on the charge simulation method, a conformal mapping computational method is proposed to map unbounded multiply connected regions onto annulus with spiral slit domains. addition, for system of pathological equations generated during process, it solve them by using GMRES(m) which in turn constructs an approximate function high accuracy. Finally, numerical examples validate effectiveness algorithms paper.
Objective To report the first case of a neonatal pneumonia with 2019-nCoV infection, and experience successfully diagnosis treatment in late pregnancy woman novel coronavirus (critical type) Xinyang city. Methods The 38 weeks singleton complicated type), infection were retrospectively analyzed. Results A single male was delivered at 38-week gestation his mother by cesarean section under third level protection operation room. The delivery diagnosed day 2 delivery. Dyspnea severe...
<abstract> <sec><title>Background</title><p>In clinical diagnostics, magnetic resonance imaging (MRI) technology plays a crucial role in the recognition of cardiac regions, serving as pivotal tool to assist physicians diagnosing diseases. Despite notable success convolutional neural networks (CNNs) MRI segmentation, it remains challenge use existing CNNs-based methods deal with fuzzy information MRI. Therefore, we proposed novel network architecture named DAFNet...
The quadrupole aerodynamic noise is a difficult problem in numerical simulation of the noise. Kirchhoff-Ffowcs Williams and Hawkings (K-FWH) equation method three-dimensional compressible Large Eddy Simulation (LES) are adopted this manuscript for accuracy 600km/h high-speed train. influence different distributions penetrable integral surfaces on results far-field discussed. optimum combination form obtained. train considering can be calculated efficiently accurately by using upstream body...
Abstract Background Peripheral perfusion index (PPI) is an indicator reflecting perfusion. Patients undergoing long time surgeries are more prone to hypoperfusion and increased lactate. Few studies focusing on investigating the association between PPI surgical patients’ prognoses. We performed this study find it out. Methods From January 2019 September 2019, we retrospected all patients who were transferred ICU, Xinyang Central hospital, Henan province, China. Inclusive criteria: age ≥ 18...
Since the end of 2019, coronavirus disease (COVID-19) has spread rapidly from Wuhan to other parts China.1,2 Approximately 17% patients with this became critically ill and had symptoms such as acute respiratory distress syndrome (ARDS), failure, multiple organ dysfunction syndrome, which may ultimately lead death.1 Medical experts in different fields have stated that it is difficult treat severe or COVID-19 cases.2,3,4
Sepsis is a life-threatening organ dysfunction caused by dysregulated host response to infection. However, there still no single drug that could reduce septic mortality. Previous studies have reported gabexate mesylate (GM) significantly reduced serum inflammatory factors, alleviated sepsis-induced lung injury and improved clinical outcomes. This study aimed combine with microbiome sequencing metabolomics analysis explore the effects of GM administration in rats.Sixty SD rats were randomly...
Objective To analyze the epidemiological characteristics and clinical features of patients with 2019-nCoV infection, so as to provide basis for diagnosis. Methods The epidemiology, symptoms, laboratory radiologic data 23 infection admitted Fifth People's Hospital Xinyang City from January 22,2020 29, 2020 were retrospectively analyzed. Results The 2019 nCov consisted 15 men 8 women, median age was 46.0 (40.5, 52.0) years (27-80 years); 9 them had basic disease (39%), including...
In this paper, we present a method to improve the accuracy of charge simulation for numerical conformal mapping. The constructs constraint equation by using method. charges and radius are computed Runge‐Kutta based on dynamic system equation. By method, can obtain new approximated mapping function compared proposed Amano. Furthermore, corresponding results shown illustrate performance
OBJECTIVE: To analyze the epidemiological characteristics and clinical features of patients with coronavirus disease 2019 (COVID-19), so as to provide basis for diagnosis. METHODS: The epidemiology, symptoms, laboratory radiologic data 23 COVID-19 admitted Fifth People's Hospital Xinyang City from January 22nd 29th, 2020 were retrospectively analyzed. RESULTS: There was COVID-19, 15 men 8 women, median age 46.0 (40.5, 52.0) years old (ranged 27 80 old). Nine had basic (39.1%), including...
To evaluate the sedation and analgesia power security of sufentanil in intensive care unit (ICU), to compare effect with fentanyl.A multicenter randomized controlled trial was conducted. Critical adult patients ICU from 11 hospitals Henan Province June 2011 January 2012 who needed based were enrolled. These randomly divided into two groups 300 cases each group using envelope method according hospital number time sequence inclusion. Exclusion criteria included duration < 48 hours under...
The hidden Markov model (HMM) and the high order have higher prediction accuracy than first model, then widely used in pattern recognition such as speech, handwriting gesture recognition. In high-order chain, number of parameters grows exponentially with respect to order, hampers parameter estimation. To solve these problems, Raftery introduced mixture transition distribution (MTD) 1985 a parsimonious for chains. However, estimation MTD is still not easy when using EM algorithm. this paper...
A numerical method was proposed based on the charge simulation for calculating conformal mappings from bounded high connectivity regions onto unit annular domains with logarithmic spiral slits. The bi-conjugate residual (BiCR) used to solve constraint equation system acquired Dirichlet boundary conditions, obtain simulated charge, and further construct a high-precision approximate mapping function. Numerical examples show effectiveness of applied simulate flow over point vortex in domains.
Alpha-fetoprotein (AFP) is a proven blood biomarker widely used in clinical detection of liver cancer, and its concentration increases immediately after injury, with high diagnostic specificity low sensitivity. However, patients AFP-negative hepatocellular carcinoma (AFP-NHCC), also known as small their early stage AFP expression usually or close to the normal range. Compared AFP-positive HCC, AFP-NHCC more likely be subjected missed diagnosis due solely dependence on measurement AFP....
This paper provide several mathematical analyses of the diffusion model in machine learning. The drift term backwards sampling process is represented as a conditional expectation involving data distribution and forward diffusion. training aims to find such function by minimizing mean-squared residue related expectation. Using small-time approximations Green's diffusion, we show that analytical mean DDPM score SGM asymptotically blow up final stages for singular distributions those...
<abstract><p>In this paper, we propose the iterative numerical methods to calculate conformal preimage domains for specified logarithmic spiral slit regions and develop applications of mappings in simulations flow around bodies. Firstly, postulate that boundaries mapped onto slits are ellipses. The lengths long axes ellipses coordinates centers calculated using our methods. Secondly, each type presented method calculates via solving boundary integral equation with generalized...
Abstract Background: Sepsis develops in millions of people worldwide annually. Only 30%–40% septic shock cases have positive microbial culture results [1] . Currently, there is no clear early diagnostic marker for sepsis. The gut microbiota and metabolomics significantly change Previous studies reported that gabexate mesylate (GM) could alleviate liver lung injury high inflammatory status This study aimed to examine the changes after GM application. Methods: Sixty Sprague–Dawley (SD) rats...