36 Result(s)
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Article
WeiFeng Sun
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Article
Open AccessDisruption of pulmonary microvascular endothelial barrier by dysregulated claudin-8 and claudin-4: uncovered mechanisms in porcine reproductive and respiratory syndrome virus infection
The pulmonary endothelium is a dynamic and metabolically active monolayer of endothelial cells. Dysfunction of the pulmonary endothelial barrier plays a crucial role in the acute lung injury (ALI) and acute re...
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Article
Open AccessPreservation of the celiac branch of the vagus nerve reduces the incidence of postoperative diarrhea in gastric cancer: a cohort study
To investigate the short-term and long-term outcomes of preserving the celiac branch of the vagus nerve during laparoscopic distal gastrectomy.
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Article
Fast transient response based on digital single-cycle charge regulation (SCCR) control
The Buck converter is a commonly used voltage regulator (VR) structure that supplies power to the load devices and responds to load transients. In most of the applications, the VR is controlled by voltage or c...
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Open AccessEvaluating anti-viral effect of Tylvalosin tartrate on porcine reproductive and respiratory syndrome virus and analyzing the related gene regulation by transcriptomics
Porcine reproductive and respiratory syndrome virus (PRRSV) is an economically important pathogen, characterized by its genetic and antigenic variation. The PRRSV vaccine is widely used, however, the unsatisfi...
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Article
Design and passivation of short-/mid-wavelength dual-color infrared detector photodiodes based on InAs/GaSb type II superlattice
A kind of short-/mid-wavelength dual-color type-II InAs/GaSb superlattice infrared detector photodiode with low dark current density and high RA value at 77 K is presented. The 320 × 256 focal plane arrays photod...
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Open AccessEffects of histone methylation modification on low temperature seed germination and growth of maize
Low temperature is a limiting factor of seed germination and plant growth. Although there is a lot information on the response of maize to low temperatures, there is still poorly description of how histone met...
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Numerical study of a novel GaN vertical FinFET with a p-base structure for high switching performance
In this work, a novel GaN-based vertical power FinFET with an embedded p-base structure is proposed and investigated by TCAD simulations. Owing to the p-base region and heavily doped n-GaN channels, the electr...
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Article
Modeling and Analysis of a Frequency-Locked Loop Based on Two-Stage Ring Voltage-Controlled Oscillator
In this paper, an analytical model of a closed-loop frequency-locked loop (FLL) based on a two-stage voltage-controlled oscillator (VCO) is proposed. Switch capacitor technology is used to accelerate the conve...
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Article
Prognostic value of geriatric nutritional risk index in elderly patients with heart failure: a meta-analysis
Geriatric Nutritional Risk Index (GNRI) is a promising tool for predicting nutrition-related complications. This meta-analysis sought to determine the prognostic utility of GNRI in elderly patients with heart ...
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Article
Sea–sky line detection using gray variation differences in the time domain for unmanned surface vehicles
Sea–sky lines (SKLs) can provide valuable reference information for the obstacle avoidance systems of unmanned surface vehicles (USVs) because obstacles that can threaten the safety of USVs, such as ships and ...
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Article
A self-adaptive pulse generator to realize extremely low power consumption and high reliability of high voltage gate driver IC
A self-adaptive pulse generator featuring with short pulse width to realize lower power consumption and higher reliability of high voltage gate driver IC is proposed. Under the control of the feedback signal f...
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Location and map** of the NCLB resistance genes in maize by bulked segregant analysis (BSA) using whole genome re-sequencing
Northern corn leaf blight (NCLB) is one of the main diseases of maize, which greatly reduces production and causes millions of dollars in losses worldwide annually. Identification of NCLB resistance genes in m...
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A 600 V high voltage gate driver IC with excellent allowable negative VS bias capability for E-mode GaN power devices
In this paper, a 600 V high voltage gate driver IC with excellent allowable negative VS bias capability is proposed. In order to prevent the bootstrap capacitor from overcharging, a voltage signal from negative v...
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Article
Study on shear strength characteristics of loess dam materials under saturated conditions
A loess accumulation dam in Ansai Area, Yan’an, Shaanxi province is selected as the research object, and the remolded soil of the dam body is taken as the test material to conduct the saturated loess indoor tr...
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Article
Stress sensitivity in naturally fractured reservoirs: a case study of the Lower Cretaceous **agou Formation, Qingxi Oilfield, Jiuxi Basin, northwestern China
Stress sensitivity is the variation of rock petrophysical parameters resulting from changes in effective stress. In fractured reservoirs, experimental methods exhibit a certain amount of error in the quantitat...
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Article
An auto-inducible expression and high cell density fermentation of Beefy Meaty Peptide with Bacillus subtilis
Currently, some cases about the expression of flavor peptides with microorganisms were reported owing to the obvious advantages of biological expression over traditional methods. However, beefy meaty peptide (...
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Article
Failure models of a loess stacked dam: a case study in the Ansai Area (China)
A loess dam is not fully compacted, so there may be a high permeability area in a loess dam. The seepage channel appears inside the dam body, and osmosis damage occurs; these events cause the dam body to be un...
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A hybrid time-to-digital converter based on sliding scale technique suitable for random time-of-flight measurement
This paper presents a novel time-to-digital converter (TDC) based on sliding scale technique (SST) for effectively improving the conversion linearity. The architecture adopts multi-segment conversion scheme in...
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Article
64 × 64 GM-APD array-based readout integrated circuit for 3D imaging applications
Using the high sensitivity of the avalanche photodiode (APD) detector operated in the Geiger-mode (GM), an array readout integrated circuit (ROIC) comprising a two-segment time-to-digital converter (TDC) is em...
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Article
Effects of mechanical layering on hydraulic fracturing in shale gas reservoirs based on numerical models
Generally, induced hydraulic fractures are generated by fluid overpressure and are used to increase reservoir permeability through forming interconnected fracture systems. However, in heterogeneous and anisotr...
