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View article: Effect of Nonuniform Parallel Magnetic Field on the Kelvin–Helmholtz Instability in the Orion Nebula
Effect of Nonuniform Parallel Magnetic Field on the Kelvin–Helmholtz Instability in the Orion Nebula Open
The surface rippled structures of Orion molecular cloud have been attributed to the Kelvin–Helmholtz (KH) instability, and the influence of magnetic field and pressure on the formation and evolution of these structures is one of the import…
View article: Development of an upper limb muscle strength rehabilitation assessment system using particle swarm optimisation
Development of an upper limb muscle strength rehabilitation assessment system using particle swarm optimisation Open
Purpose This study develops a particle swarm optimization (PSO)-based assessment system for evaluating upper extremity and shoulder joint muscle strength with potential application to stroke rehabilitation. This study validates the system …
View article: Phenotypic Characterization and Marker–Trait Association Analysis Using SCoT Markers in Chrysanthemum (Chrysanthemum morifolium Ramat.) Germplasm
Phenotypic Characterization and Marker–Trait Association Analysis Using SCoT Markers in Chrysanthemum (Chrysanthemum morifolium Ramat.) Germplasm Open
Background: Chrysanthemum is an economically important ornamental species whose genetic diversity assessment forms the foundation for effective breeding programs. Methods: Phenotypic characterization of 12 traits (7 quantitative and 5 qual…
View article: Nonlinear Evolution of the Kelvin–Helmholtz Instability in the Presence of Radiation and Parallel Magnetic Fields
Nonlinear Evolution of the Kelvin–Helmholtz Instability in the Presence of Radiation and Parallel Magnetic Fields Open
The evolution of Kelvin–Helmholtz (KH) instability in the Orion Nebula is studied using a two-dimensional radiation magnetohydrodynamic (MHD) simulation in the presence of the in-plane magnetic field parallel to the flow direction. The lin…
View article: Design of upper limb muscle strength assessment system based on surface electromyography signals and joint motion
Design of upper limb muscle strength assessment system based on surface electromyography signals and joint motion Open
Purpose This study aims to develop a assessment system for evaluating shoulder joint muscle strength in patients with varying degrees of upper limb injuries post-stroke, using surface electromyographic (sEMG) signals and joint motion data.…
View article: Effect of Transverse Magnetic Field on Kelvin–Helmholtz Instability in the Presence of a Radiation Field
Effect of Transverse Magnetic Field on Kelvin–Helmholtz Instability in the Presence of a Radiation Field Open
The dispersion relation of the magnetized Kelvin–Helmholtz (KH) instability driven by shear flow with zero thickness of the shear layer is derived theoretically based on a set of magnetohydrodynamic equations in the presence of a transvers…
View article: Exploration of anomalous transport based on the use of general conformable fractional derivative in tokamak plasmas
Exploration of anomalous transport based on the use of general conformable fractional derivative in tokamak plasmas Open
This study investigates anomalous transport in tokamak plasmas by employing general conformable fractional derivatives (GCFDs) and utilizing general conformable fractional diffusion equations (GCFDEs). GCFDs, which are local derivatives ut…
View article: Effect of resonance magnetic perturbation on edge-core turbulence spreading in a tokamak plasma
Effect of resonance magnetic perturbation on edge-core turbulence spreading in a tokamak plasma Open
Turbulence spreading from edge to core region with resonance magnetic perturbation (RMP) is investigated using an electromagnetic Landau-fluid model in toroidal geometry. When RMP field with appropriate amplitude are employed in the simula…
View article: Eigenmode characterizations of slab ion-temperature-gradient instabilities in various magnetic shear configurations
Eigenmode characterizations of slab ion-temperature-gradient instabilities in various magnetic shear configurations Open
Comprehensive eigenmode characterizations of ion-temperature-gradient (ITG) instabilities in slab geometries with different magnetic shear profiles are investigated using an eigenvalue method. The results in the uniform magnetic shear conf…
View article: FinTech Credit and Entrepreneurial Growth
FinTech Credit and Entrepreneurial Growth Open
View article: A fundamental understanding of the unstable eigenmodes of double tearing instabilities in a shear slab geometry
A fundamental understanding of the unstable eigenmodes of double tearing instabilities in a shear slab geometry Open
Two types of unstable eigenmodes of resistive tearing instabilities, namely, symmetric and anti-symmetric modes, in a double current sheet configuration are analyzed by means of both an eigenvalue solver and initial value simulation. It ha…
View article: Global geodesic acoustic mode in an ideal magnetohydrodynamic tokamak plasma
Global geodesic acoustic mode in an ideal magnetohydrodynamic tokamak plasma Open
A concise and transparent second order ordinary differential equation (ODE) describing the radial structure of the global geodesic acoustic mode (GAM) is analytically presented in a low-β tokamak plasma. The large-aspect-ratio and circular…
View article: Control of neoclassical tearing mode by synergetic effects of resonant magnetic perturbation and electron cyclotron current drive in reversed magnetic shear tokamak plasmas
Control of neoclassical tearing mode by synergetic effects of resonant magnetic perturbation and electron cyclotron current drive in reversed magnetic shear tokamak plasmas Open
Synergetic effects of resonant magnetic perturbation (RMP) and electron cyclotron current drive (ECCD) on stabilizing neoclassical tearing mode (NTM) in reversed magnetic shear (RMS) tokamak plasmas are numerically investigated based on a …
View article: Effects of resonant magnetic perturbation on locked mode of neoclassical tearing modes
Effects of resonant magnetic perturbation on locked mode of neoclassical tearing modes Open
Effects of externally applied resonant magnetic perturbation (RMP) on the\nlocked mode of neo-classical tearing mode (NTM) are numerically investigated by\nmeans of a set of reduced magnetohydrodynamic equations. It is found that for a\nsm…
View article: Highly Monochromatic Soft X-ray Beam Source Design
Highly Monochromatic Soft X-ray Beam Source Design Open
能量在0.1～1keV范围的软X射线辐射在空间科学任务中具有重要应用.飞行前的辐射定标试验及地面辐射定标系统采用传统单色仪分光时，由于波长的整数倍关系带来的高次谐波污染问题非常严重.高次谐波在光束中的占比严重影响了软X射线探测仪器的定标数据精度.本文探讨了无谐波单极衍射技术在产生具有高单色性能的软X射线光束中的应用，基于单极衍射光栅技术实现软X射线无谐波单色仪设计.软X射线无谐波单色仪应用于空间辐射定标系统时能够将高次谐波占比抑制到0.3%以下，满足空间软X射线科学仪器高精…
View article: Control of neo-classical double tearing modes by differential poloidal rotation in reversed magnetic shear tokamak plasmas
Control of neo-classical double tearing modes by differential poloidal rotation in reversed magnetic shear tokamak plasmas Open
The control of neo-classical tearing modes (NTMs) by the differential rotation in the reversed magnetic shear (RMS) configuration with different separations $ \\Delta {{r}_{\\text{s}}}$ between two rational surfaces is numerically studied …
View article: Dynamics of the Plasmoid-unstable Regime in Different Multiple-current Plasmas
Dynamics of the Plasmoid-unstable Regime in Different Multiple-current Plasmas Open
The dynamics of plasmoid instability in multiple-current plasmas with different system sizes is investigated by means of resistive magnetohydrodynamic simulations. As the system size is increased, the secondary current sheets become very l…
View article: Synchronization of Geodesic Acoustic Modes and Magnetic Fluctuations in Toroidal Plasmas
Synchronization of Geodesic Acoustic Modes and Magnetic Fluctuations in Toroidal Plasmas Open
The synchronization of geodesic acoustic modes (GAMs) and magnetic fluctuations is identified in the edge plasmas of the HL-2A tokamak. Mesoscale electric fluctuations (MSEFs) having components of a dominant GAM, and m/n=6/2 potential fluc…
View article: FORMATION OF PLASMOIDS IN MULTIPLE CURRENT SYSTEMS
FORMATION OF PLASMOIDS IN MULTIPLE CURRENT SYSTEMS Open
We show that in systems with multiple current sheets, the reconnection rate can increase with increasing S . This is essentially different from the result in single current sheet systems where the reconnection rate usually decreases with i…
View article: Ionization and dissociation dynamics of molecules in strong laser fields
Ionization and dissociation dynamics of molecules in strong laser fields Open
View article: Excitations of tearing mode and Kelvin-Helmholtz mode in rotating cylindrical plasmas
Excitations of tearing mode and Kelvin-Helmholtz mode in rotating cylindrical plasmas Open
The influences of safety factor q profile and poloidal rotation profile on the q=1 tearing and Kelvin-Helmholtz (K-H) instabilities are investigated numerically by using a magnetohydrodynamic model in cylindrical geometry. With increasing …
View article: Penetration of resonant magnetic perturbations in a rotating tokamak plasma with neoclassical poloidal viscosity
Penetration of resonant magnetic perturbations in a rotating tokamak plasma with neoclassical poloidal viscosity Open
The penetration of time-dependant resonant magnetic perturbations (RMPs) is numerically studied by means of reduced magnetohydrodynamic simulations, taking into account the neoclassical poloidal viscosity (NPV) damping. It is found that wi…