Jianwen Wu
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View article: Mechanisms and therapeutic strategies to reveal and overcome T-cell dysfunction in gastric cancer: translation from basic research to clinical application
Mechanisms and therapeutic strategies to reveal and overcome T-cell dysfunction in gastric cancer: translation from basic research to clinical application Open
T cells play a central role in the immune response to gastric cancer, and their dysfunction directly contributes to immune escape from the tumor and limits the efficacy of immunotherapy. The immune microenvironment of gastric cancer consis…
View article: Bivariate multiple orthogonal polynomials of mixed type on the step-line
Bivariate multiple orthogonal polynomials of mixed type on the step-line Open
This article studies bivariate multiple orthogonal polynomials of the mixed type on the step-line. The analysis is based on the LU factorization of a moment matrix specifically adapted to this framework. The orthogonality and biorthogonali…
View article: Parallel Ghost Imaging with Extra Large Field of View and High Pixel Resolution
Parallel Ghost Imaging with Extra Large Field of View and High Pixel Resolution Open
Ghost imaging (GI) facilitates image acquisition under low-light conditions through single pixel measurements, thus holding tremendous potential across various fields such as biomedical imaging, remote sensing, defense and military applica…
View article: Megapixel X-ray ghost imaging with a prior-recorded reference
Megapixel X-ray ghost imaging with a prior-recorded reference Open
Introduction Efficient implementation of X-ray ghost imaging (XGI) with megapixel-level field-of-view and spatial resolution of few microns is key towards practical applications of XGI, but such implementation remains constrained by the ti…
View article: Research on the influence of installation error of capacitive angle sensor on angle error
Research on the influence of installation error of capacitive angle sensor on angle error Open
View article: Dynamic Waveform-Controlled Ultra-High Frequency Pulse Power System Enabled by SiC MOSFETs: Design and Welding Applications
Dynamic Waveform-Controlled Ultra-High Frequency Pulse Power System Enabled by SiC MOSFETs: Design and Welding Applications Open
Conventional pulse power systems (PPS) suffer from inflexible parameter control and limited switching frequencies due to silicon-based devices and fixed modulation designs. This study presents an ultra-high frequency pulse power system (UF…
View article: Organoid models of ovarian cancer: resolving immune mechanisms of metabolic reprogramming and drug resistance
Organoid models of ovarian cancer: resolving immune mechanisms of metabolic reprogramming and drug resistance Open
Metabolic reprogramming is a hallmark of ovarian cancer, enabling tumor progression, immune evasion and drug resistance. The tumor microenvironment (TME) further shapes metabolic adaptations, enabling cancer cells to withstand hypoxia and …
View article: Research on Fusion Strategy for High Voltage Circuit Breaker Fault Diagnosis Decision Based on Multi-Sensor Sensitivity Assessment
Research on Fusion Strategy for High Voltage Circuit Breaker Fault Diagnosis Decision Based on Multi-Sensor Sensitivity Assessment Open
View article: Research on the Realization Mechanism of “Sports-Education Integration” in Chinese Colleges and Universities in the New Era — A Case Study of the “Hubei University Phenomenon” in Futsal
Research on the Realization Mechanism of “Sports-Education Integration” in Chinese Colleges and Universities in the New Era — A Case Study of the “Hubei University Phenomenon” in Futsal Open
View article: Synthetic aperture X-ray ghost imaging with sub-micron pixel resolution
Synthetic aperture X-ray ghost imaging with sub-micron pixel resolution Open
Synthetic aperture X-ray ghost imaging (SAXGI) is proposed to achieve megapixel X-ray ghost imaging together with a reduced number of measurements. As the bucket detector array is artificially generated by post-pixel-binning of the images …
View article: Lump-Type Solutions, Mixed Solutions and Rogue Waves for a (3+1)-Dimensional Variable-Coefficients Burgers Equation
Lump-Type Solutions, Mixed Solutions and Rogue Waves for a (3+1)-Dimensional Variable-Coefficients Burgers Equation Open
In this work, we consider the (3+1)-dimensional Burgers equation with variable coefficients, which is frequently used to define the motion of solitary waves. Abundant lump waves are constructed by taking the ansatz as a rational function. …
View article: Parametric characterization of arcs in semi-sealed splitter plate DC circuit breakers
Parametric characterization of arcs in semi-sealed splitter plate DC circuit breakers Open
Precisely assessing plasma parameters holds paramount importance in investigating the arc extinguishing mechanism of semi-sealed splitter plate DC circuit breakers, refining the configuration of splitter plates, and optimizing the overall …
View article: Quantitative detection device for NOx of centimeters-discharge and its preliminary applications in laboratory long spark and rocket-triggered lightning
Quantitative detection device for NOx of centimeters-discharge and its preliminary applications in laboratory long spark and rocket-triggered lightning Open
A quantitative detection device for nitrogen oxides (NOx) produced by the centimeters-scale discharge channel is designed, consisting of a container made of high-strength acrylic Plexiglas, two copper metal electrodes fixed to the top and …
View article: A method of aeronautical electrical interface circuit design and simulation analysis based on Saber
A method of aeronautical electrical interface circuit design and simulation analysis based on Saber Open
In this paper, the idea of model-based system engineering is adopted. For the aircraft’s electrical interface circuit, Saber software is used to carry out “device-circuit” modeling and simulation, and the corresponding hardware circuits ar…
View article: A Screening Model of Antibacterial Agents Based on Escherichia coli Cell-Division Protein
A Screening Model of Antibacterial Agents Based on Escherichia coli Cell-Division Protein Open
Pathogenic Escherichia coli cannot be killed by most antibiotics (including colistin, a last-resort drug) due to the rapid development of antibiotic resistance. A highly conserved prokaryotic mitotic protein, filamenting temperature-sensit…
View article: Capacitive Angle Sensor Research Using COMSOL Multiphysics
Capacitive Angle Sensor Research Using COMSOL Multiphysics Open
This paper presents a method of simulating a capacitive sensor using COMSOL Multiphysics. A petal-form sensitive electrode structure applied to a capacitive angle sensor was simulated using COMSOL software; the angle was calculated using s…
View article: Research on Driving Reliability of SiC MOSFET Inverter Welding Power Supply
Research on Driving Reliability of SiC MOSFET Inverter Welding Power Supply Open
The Silicon Carbide (SiC) MOSFET inverter welding power supply produces high rates of voltage and current change (dv/dt and di/dt) as well as a reverse recovery current transient rate during the high-frequency and high-voltage switching pr…
View article: A solar-blind photodetector based on β-Ga2O3 film deposited on MgO (100) substrates by RF magnetron sputtering
A solar-blind photodetector based on β-Ga2O3 film deposited on MgO (100) substrates by RF magnetron sputtering Open
View article: Vibration Feature Analysis for Gas-Insulated Switchgear Mechanical Fault Detection under Varying Current
Vibration Feature Analysis for Gas-Insulated Switchgear Mechanical Fault Detection under Varying Current Open
As a key component to ensure the safe operation of the power grid, mechanical defect diagnosis technology of gas-insulated switchgear (GIS) during operation is often neglected. At present, GIS mechanical fault detection based on vibration …
View article: Analysis and Experimental Research on a Novel Multi-Contact MVDC Natural Current Commutation Breaking Topology
Analysis and Experimental Research on a Novel Multi-Contact MVDC Natural Current Commutation Breaking Topology Open
The high performance of medium-voltage direct current (MVDC) power supply system is a pre-requisite for several industrial applications. To meet the higher voltage direct current (DC) breaking requirements in the fields of aviation, aerosp…
View article: Numerical Simulation of Intermediate-Frequency Vacuum Arc
Numerical Simulation of Intermediate-Frequency Vacuum Arc Open
With the development of more/all electric aircraft technology, variable frequency (360-800 Hz) power systems have become an important development focus for future aircraft design. Vacuum switches are highly suitable applications in this av…
View article: Frequency Feature Learning from Vibration Information of GIS for Mechanical Fault Detection
Frequency Feature Learning from Vibration Information of GIS for Mechanical Fault Detection Open
The reliability of gas insulated switchgear (GIS) is very important for the safe operation of power systems. However, the research on potential faults of GIS is mainly focused on partial discharge, and the research on the intelligent detec…
View article: Implementation and simulation analysis of GMPPT algorithm under partial shadow condition
Implementation and simulation analysis of GMPPT algorithm under partial shadow condition Open
Due to partial occlusion, the output power and voltage curves of PV arrays appear multiple peak points, which increase the difficulty of designing the maximum power tracking system. The limitations of the conventional GMPPT method under th…
View article: External Excitation of Axial Magnetic Field for Intermediate-Frequency Vacuum Arc Research
External Excitation of Axial Magnetic Field for Intermediate-Frequency Vacuum Arc Research Open
In order to the make the magnetic field synchronous with the actual current in the current interruption experiment, an external excitation of axial magnetic field for intermediate-frequency vacuum arc experiment and research is designed an…
View article: High-Voltage Circuit Breaker Fault Diagnosis Using a Hybrid Feature Transformation Approach Based on Random Forest and Stacked Autoencoder
High-Voltage Circuit Breaker Fault Diagnosis Using a Hybrid Feature Transformation Approach Based on Random Forest and Stacked Autoencoder Open
In recent years, machine learning techniques have been applied to test the fault type in high-voltage circuit breakers (HVCBs). Most related research involves in improving the classification method for higher precision. Nevertheless, as an…
View article: Research on segmented control of motor operating mechanism for high‐voltage circuit breaker
Research on segmented control of motor operating mechanism for high‐voltage circuit breaker Open
To improve dynamic characteristics of the motor operating mechanism for high‐voltage circuit breaker, the motor drive operating mechanism by a three‐phase permanent‐magnet synchronous motor is studied in this article. After analysing the m…
View article: Distributed Control Strategy for DC Microgrids of Photovoltaic Energy Storage Systems in Off-Grid Operation
Distributed Control Strategy for DC Microgrids of Photovoltaic Energy Storage Systems in Off-Grid Operation Open
DC microgrid systems that integrate energy distribution, energy storage, and load units can be viewed as examples of reliable and efficient power systems. However, the isolated operation of DC microgrids, in the case of a power-grid failur…
View article: Bolt looseness fault diagnosis of GIS based on vibration signal amplitude
Bolt looseness fault diagnosis of GIS based on vibration signal amplitude Open
The mechanical fault in gas insulated switchgear (GIS) will cause abnormal vibration of equipment. Based on the vibration signal generated by abnormal vibration, a method for mechanical fault diagnosis of GIS is presented to achieve on-lin…
View article: Intelligent Fault Diagnosis of HVCB with Feature Space Optimization-Based Random Forest
Intelligent Fault Diagnosis of HVCB with Feature Space Optimization-Based Random Forest Open
Mechanical faults of high-voltage circuit breakers (HVCBs) always happen over long-term operation, so extracting the fault features and identifying the fault type have become a key issue for ensuring the security and reliability of power s…
View article: Reignition After Interruption of Intermediate-Frequency Vacuum Arc in Aircraft Power System
Reignition After Interruption of Intermediate-Frequency Vacuum Arc in Aircraft Power System Open
Intermediate frequency (IF) electric power supply system has been widely applied in airplanes. Reignition after interruption of 360-850 Hz vacuum arc in axial magnetic field (AMF) is studied in this paper. According to the experimental res…