Mingxin Song
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View article: Trends and drivers of dissolved organic carbon in major Arctic rivers
Trends and drivers of dissolved organic carbon in major Arctic rivers Open
Dissolved organic carbon (DOC) in Arctic rivers plays an important role in the sea-land carbon cycle. In this study, in situ measured datasets and Landsat images were used to construct an efficient remote sensing retrieval model for DOC in…
View article: Retrieval of spectral slope of chromophoric dissolved organic matter (S275–295) in Laptev Sea
Retrieval of spectral slope of chromophoric dissolved organic matter (S275–295) in Laptev Sea Open
Study region: Laptev Sea Study focus: The absorption slopes of colored dissolved organic matter (CDOM) in the spectral range of 275–295 nm (S275–295) is a reliable parameter of the source and transformation of CDOM and dissolved organic ca…
View article: Advancements in MXene Composite Materials for Wearable Sensors: A Review
Advancements in MXene Composite Materials for Wearable Sensors: A Review Open
In recent years, advancements in the Internet of Things (IoT), manufacturing processes, and material synthesis technologies have positioned flexible sensors as critical components in wearable devices. These developments are propelling wear…
View article: The Latest Advances in Ink-Based Nanogenerators: From Materials to Applications
The Latest Advances in Ink-Based Nanogenerators: From Materials to Applications Open
Nanogenerators possess the capability to harvest faint energy from the environment. Among them, thermoelectric (TE), triboelectric, piezoelectric (PE), and moisture-enabled nanogenerators represent promising approaches to micro–nano energy…
View article: Comprehensive Review of RF MEMS Switches in Satellite Communications
Comprehensive Review of RF MEMS Switches in Satellite Communications Open
The miniaturization and low power consumption characteristics of RF MEMS (Radio Frequency Microelectromechanical System) switches provide new possibilities for the development of microsatellites and nanosatellites, which will play an incre…
View article: Gas Sensors Based on Semiconductor Metal Oxides Fabricated by Electrospinning: A Review
Gas Sensors Based on Semiconductor Metal Oxides Fabricated by Electrospinning: A Review Open
Electrospinning has revolutionized the field of semiconductor metal oxide (SMO) gas sensors, which are pivotal for gas detection. SMOs are known for their high sensitivity, rapid responsiveness, and exceptional selectivity towards various …
View article: Polarization conversion filter based on electromagnetically induced transparency-like effect
Polarization conversion filter based on electromagnetically induced transparency-like effect Open
Owing to the large losses in the conversion process of traditional polarization converters, there is an increasing demand for metasurfaces with excellent transmission performance. In this work, an efficient polarization conversion metasurf…
View article: Application of transition metal (Ni, Co and Zn) oxides based electrode materials for ion-batteries and supercapacitors
Application of transition metal (Ni, Co and Zn) oxides based electrode materials for ion-batteries and supercapacitors Open
With the rapid development of society and the continuous progress of civilization, the demand for energy is greatly increasing, so the researchers are eager to develop new cheap and high-performance energy storage materials to alleviate th…
View article: Photovoltaic Power Generation Based on Three-port DC-DC Step-down Circuit
Photovoltaic Power Generation Based on Three-port DC-DC Step-down Circuit Open
In this paper, the photovoltaic cell is combined with the analog battery pack and the load through a three-port DC-DC Buck circuit, which gives power to the analog battery pack and load. From the perspective of simulation, the photovoltaic…
View article: Utilizing the capacity below 0 V to maximize lithium storage of hard carbon anodes
Utilizing the capacity below 0 V to maximize lithium storage of hard carbon anodes Open
Compared with conventional graphite anode, hard carbons have the potential to make reversible lithium storage below 0 V accessible due to the formation of dendrites is slow. However, under certain conditions of high currents and lithiation…
View article: Design and Analysis of a Fluid-Filled RF MEMS Switch
Design and Analysis of a Fluid-Filled RF MEMS Switch Open
In the present study, a fluid-filled RF MEMS (Radio Frequency Micro-Electro-Mechanical Systems) switch is proposed and designed. In the analysis of the operating principle of the proposed switch, air, water, glycerol and silicone oil were …
View article: UWB Frequency-Selective Surface Absorber Based on Graphene Featuring Wide-Angle Stability
UWB Frequency-Selective Surface Absorber Based on Graphene Featuring Wide-Angle Stability Open
In this paper, an ultra-wideband and polarization-insensitive frequency-selective surface absorber is presented with oblique incident stable behavior. Different from conventional absorbers, the absorption behavior is much less deteriorated…
View article: Multivalent Effect of Defect Engineered Ag2S/g-C3N4 3D Porous Floating Catalyst with Enhanced Contaminant Removal Efficiency
Multivalent Effect of Defect Engineered Ag2S/g-C3N4 3D Porous Floating Catalyst with Enhanced Contaminant Removal Efficiency Open
Chlorophenols, as a major environmental pollutant, enter water systems through industrial wastewater, agricultural runoff and chemical spills, and they are stable, persistent under natural conditions, and highly hazardous to water resource…
View article: Construction of three‐dimensional crumpled Ni‐Co TMOs for electrochemical energy storage
Construction of three‐dimensional crumpled Ni‐Co TMOs for electrochemical energy storage Open
Due to excellent electrochemical performances, mixed transition metal oxides (TMOs) as electrode materials have attracted scholarly attention. However, the issues of volume expansion, unstable structure, and low electrical conductivity hav…
View article: Design and Analysis of the Capacitive RF MEMS Switches with Support Pillars
Design and Analysis of the Capacitive RF MEMS Switches with Support Pillars Open
Conventional parallel capacitive RF MEMS switches have a large impact during the suction phase. In general, RF MEMS switches have to be switched on and off in a considerably fast manner. Increasing the driving voltage enables fast switchin…
View article: Design and simulation of RF MEMS switches with the supporting columns
Design and simulation of RF MEMS switches with the supporting columns Open
This paper introduces the principle of RF MEMS switch and performs modeling analysis. By analyzing the low control voltage and microwave power of the switch, phenomena such as long response time and susceptibility to mechanical failure app…
View article: MOF-Derived Hetero-Zn/Co Hollow Core-Shell TMOs as Anode for Lithium-Ion Batteries
MOF-Derived Hetero-Zn/Co Hollow Core-Shell TMOs as Anode for Lithium-Ion Batteries Open
In this work, metal–organic frameworks (MOFs) were used as precursors to prepare Zn/Co oxide with a porous dodecahedral core-shell structure. Herein, a low-temperature self-assembly calcination and hydrothermal strategy of imidazole-based …
View article: Radiomics Based on Lumbar Spine CT Imaging to Detect Osteoporosis
Radiomics Based on Lumbar Spine CT Imaging to Detect Osteoporosis Open
Purpose: This study aims to explore a radiomics model based on lumbar spine CT imaging for detecting osteoporosis. Method: A retrospective analysis of 170 patients who underwent both CT and dual x-ray absorptiometry (DXA) of the lumbar spi…
View article: Simulation Study of Low Turn-Off Loss and Snapback-Free SA-IGBT with Injection-Enhanced p-Floating Layer
Simulation Study of Low Turn-Off Loss and Snapback-Free SA-IGBT with Injection-Enhanced p-Floating Layer Open
In this study, a shorted-anode IGBT with an injection-enhanced p-floating layer (IEPF-IGBT) under the N-buffer layer is proposed. Compared to conventional shorted-anode IGBT (SA-IGBT), the IEPF-IGBT has the structural characteristics of an…
View article: Terahertz and infrared transmission properties of super-thin periodic multi-walled carbon nanotube gratings
Terahertz and infrared transmission properties of super-thin periodic multi-walled carbon nanotube gratings Open
Super-aligned multi-walled carbon nanotube arrays on Si wafer were synthesized by low press chemical vapor deposition. The super-thin multi-walled carbon nanotube films were obtained by a drawing process on the side of the vertically align…
View article: Genome-Wide Characterization of QYYZ-Like PRRSV During 2018–2021
Genome-Wide Characterization of QYYZ-Like PRRSV During 2018–2021 Open
In the last decade, the emergence of QYYZ-like porcine reproductive and respiratory syndrome virus (PRRSV) has attracted increasing attention due to the high incidence of PRRSV mutation and recombination. However, the endemic status and ge…
View article: Interpretation of the Spatiotemporal Evolution Characteristics of Land Deformation in Beijing during 2003–2020 Using Sentinel, ENVISAT, and Landsat Data
Interpretation of the Spatiotemporal Evolution Characteristics of Land Deformation in Beijing during 2003–2020 Using Sentinel, ENVISAT, and Landsat Data Open
Since the 1930s, due to the rapid development of the city and the increase of population, the demand from Beijing residents for water resources has gradually increased. Land deformation in the Beijing Plain is a serious issue. In order to …
View article: A Snapback-Free and Low Turn-Off Loss 15 kV 4H–SiC IGBT with Multifunctional P-Floating Layer
A Snapback-Free and Low Turn-Off Loss 15 kV 4H–SiC IGBT with Multifunctional P-Floating Layer Open
In this paper, a 4H–SiC IGBT with a multifunctional P-floating layer (MP-IGBT) is proposed and investigated by Silvaco TCAD simulations. Compared with the conventional 4H–SiC field stop IGBT (FS-IGBT), the MP-IGBT structure features a P-fl…
View article: Self‐standing hard carbon anode derived from hyper‐linked nanocellulose with high cycling stability for lithium‐ion batteries
Self‐standing hard carbon anode derived from hyper‐linked nanocellulose with high cycling stability for lithium‐ion batteries Open
The utilization of binders has severely hindered ionic diffusion and electron transfer in the traditional lithium‐ion battery. Herein, a self‐standing hard carbon film using nanocellulose as precursor has been constructed as binder‐free el…
View article: A 6.4 ppm/℃ and low power consumption bandgap voltage reference
A 6.4 ppm/℃ and low power consumption bandgap voltage reference Open
This paper proposed an innovative CMOS bandgap reference with both low current consumption and high precision over a wide temperature range. The proposed bandgap reference was designed using a standard 0.18 μm CMOS technology. The high pre…