Haifeng Zhang
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View article: Strength analysis and structural optimization of UAV airframe
Strength analysis and structural optimization of UAV airframe Open
Introduction With the booming low-altitude economy, UAVs drive transformative changes across sectors, but their design must balance lightweight demands and structural integrity. This study conducts static analysis of a quadrotor under hove…
View article: Demonstrating a universal logical gate set in error-detecting surface codes on a superconducting quantum processor
Demonstrating a universal logical gate set in error-detecting surface codes on a superconducting quantum processor Open
Fault-tolerant quantum computing (FTQC) is essential for achieving large-scale practical quantum computation. Implementing arbitrary FTQC requires the execution of a universal gate set on logical qubits, which is highly challenging. Partic…
View article: LGG/LAC-MMT combination mitigates AFB1-induced liver and intestinal injury in mice based on intestinal microbiota modulation
LGG/LAC-MMT combination mitigates AFB1-induced liver and intestinal injury in mice based on intestinal microbiota modulation Open
AFB 1 induces hepatotoxicity and enterotoxicity. Lactobacillus acidophilus (LAC) and Lactobacillus rhamnosus (LGG), both belonging to LAB, have strong binding affinity for AFB 1 . Montmorillonite (MMT) not only adsorbs AFB 1 but also serve…
View article: A Comprehensive Approach for Improving the Shrinkage Estimators of a Multivariate Normal Mean Using the Particle Filter
A Comprehensive Approach for Improving the Shrinkage Estimators of a Multivariate Normal Mean Using the Particle Filter Open
In this article, we propose a comprehensive approach to improving shrinkage estimators of a multivariate normal mean, addressing the challenge of estimating observation error in scenarios with limited sample sizes. Our method integrates an…
View article: Theory Design of a Virtual Polarizer with Multiscale and Multi-Biomass Sensing
Theory Design of a Virtual Polarizer with Multiscale and Multi-Biomass Sensing Open
Recently, more and more attention has been paid to human health with the rapid development of society. A designed virtual polarizer (VP) can realize multiscale and multi-biomass sensing, including temperature, cancerous cells, and COVID-19…
View article: Identification of local field-enhancement in third-harmonic generation via nonlinear <i>S</i>-matrix
Identification of local field-enhancement in third-harmonic generation via nonlinear <i>S</i>-matrix Open
The research presented in this study aims to establish nonlinear S -matrix methods to address the enhancement of third-harmonic generation induced by field localization effects in aperiodic metastructures. The strong resonant modes generat…
View article: An Optical Date Flip-Flop Based on the Dynamic Coding of a Layered VO2 Metastructure
An Optical Date Flip-Flop Based on the Dynamic Coding of a Layered VO2 Metastructure Open
A vanadium dioxide (VO2)-based layered metastructure is proposed that enables dynamic optical encoding in the range of 15.5 GHz to 16 GHz through synergistic temperature and magnetic field modulation. By utilizing sequential temperature co…
View article: A review of dynamic voltage support for power grids with large-scale penetration of renewable generation
A review of dynamic voltage support for power grids with large-scale penetration of renewable generation Open
Dynamic voltage stability analysis and control of power systems with large-scale penetration of renewable energy have gained significant attention in relevant fields. This article provides the latest development of dynamic voltage support …
View article: Theoretical investigation of photonic spin Hall effect based on layered metastructure with graphene regulation by WOA for encoding and encryption
Theoretical investigation of photonic spin Hall effect based on layered metastructure with graphene regulation by WOA for encoding and encryption Open
An innovative method was proposed based on a graphene metastructure to enhance the photonic spin Hall effect (PSHE), addressing issues of insufficient information transmission confidentiality and flexibility in photon information processin…
View article: Astrocyte-mediated inflammatory responses in traumatic brain injury: mechanisms and potential interventions
Astrocyte-mediated inflammatory responses in traumatic brain injury: mechanisms and potential interventions Open
Astrocytes play a pivotal role in the inflammatory response triggered by traumatic brain injury (TBI). They are not only involved in the initial inflammatory response following injury but also significantly contribute to Astrocyte activati…
View article: Theoretical study of tunable tripling octave frequency to ultra-wideband low-profile metastructure absorber based on brick splicing method
Theoretical study of tunable tripling octave frequency to ultra-wideband low-profile metastructure absorber based on brick splicing method Open
Designing low-profile absorbers with octave frequency characteristics in the microwave range remains challenging, particularly in the L-band and lower frequency ranges. A tunable tripling octave frequency metastructure absorber (TOFA) is p…
View article: Terahertz dual-mechanism dual-band linear-to-circular polarization converter with one-octave band separation and orthogonal polarization
Terahertz dual-mechanism dual-band linear-to-circular polarization converter with one-octave band separation and orthogonal polarization Open
Multi-band polarization converters are crucial for reducing coupling between multiple-input multiple-output antenna components, promoting the integration of communication systems, and improving information transmission efficiency. However,…
View article: Metastructure and strain-defect engineered Cu-doped TiO coating to enhance antibacterial sonodynamic therapy
Metastructure and strain-defect engineered Cu-doped TiO coating to enhance antibacterial sonodynamic therapy Open
Sonodynamic therapy (SDT) has attracted widespread attention in treatment of implant-associated infections, one of the key factors leading to implant failure. Nevertheless, constructing efficient ultrasound-triggered coatings on implant su…
View article: Reconfigurable Origami Metamaterial for Broadband Absorption and Polarization Conversion
Reconfigurable Origami Metamaterial for Broadband Absorption and Polarization Conversion Open
Origami has lately surfaced as a promising method for designing valuable materials. Inspired by the origami concept, a multifunctional metamaterial derived from an origami structure is proposed. By mechanically stretching or compressing th…
View article: Effect of solution and aging on phase stability and mechanical properties of Zr–Ti–Nb–Ta refractory medium entropy alloy
Effect of solution and aging on phase stability and mechanical properties of Zr–Ti–Nb–Ta refractory medium entropy alloy Open
Refractory high/medium-entropy alloys (RHEAs/RMEAs) are promising structural materials for high-temperature applications due to their unique composition and outstanding properties. However, phase stability at intermediate temperatures (773…
View article: Theoretical design of manipulating the number of photonic spin Hall effect channels with Tamm plasmon polariton and its sensing capabilities
Theoretical design of manipulating the number of photonic spin Hall effect channels with Tamm plasmon polariton and its sensing capabilities Open
In this paper, the induction effect of Tamm plasmon polariton (TPP) mode on photonic spin Hall effect (PSHE) is discovered. As the incident angle increases, the TPP mode exhibits a polarization separation effect, which is conducive to the …
View article: A tunable encoder with circular dichroism and polarization encoding function based on a layered metastructure in the GHz range
A tunable encoder with circular dichroism and polarization encoding function based on a layered metastructure in the GHz range Open
In this paper, based on a layered metastructure, a tunable encoder capable of circular dichroism (CD) and polarization conversion (PC) is researched, which contains one common medium, magnetized plasma, and yttrium iron garnet (YIG). The l…
View article: Safety evaluation for bogie with side bearer pad based on the US CFR standard
Safety evaluation for bogie with side bearer pad based on the US CFR standard Open
The side bearer pad is a typical structure widely adopted in the design of the bogie supporting subway vehicles in the USA. This type of bogie should meet the Code of Federal Regulations (CFR), so its safety needs to be evaluated, especial…
View article: Plasma amyloid‐β oligomerization tendency as a potential predictor for conversion from mild cognitive impairment to Alzheimer's dementia: Findings from the GMCII cohort
Plasma amyloid‐β oligomerization tendency as a potential predictor for conversion from mild cognitive impairment to Alzheimer's dementia: Findings from the GMCII cohort Open
INTRODUCTION This study aimed to explore the association between plasma amyloid‐β oligomerization tendency (OAβ) and cognitive performance in Alzheimer's disease (AD) and determine its predictive value for outcomes of mild cognitive impair…
View article: Plasma amyloid‐β Oligomerization tendency as a potential predictor for conversion from mild cognitive impairment to Alzheimer’s dementia: Findings from the GMCII cohort
Plasma amyloid‐β Oligomerization tendency as a potential predictor for conversion from mild cognitive impairment to Alzheimer’s dementia: Findings from the GMCII cohort Open
Background This study aimed to explore the association between amyloid‐β oligomerization tendency (OAβ) in plasma and cognitive performance in patients with Alzheimer’s disease (AD) and further determine whether plasma OAβ could predict th…
View article: Second harmonic generation based on graphene hyperstructure for higher resolution and performance on top of achieving fundamental wave detection in theory
Second harmonic generation based on graphene hyperstructure for higher resolution and performance on top of achieving fundamental wave detection in theory Open
In this paper, an innovative one-dimensional graphene hyperstructure (GHS) is proposed, allowing for the concurrent detection of multiple physical parameters in both the fundamental and second harmonic generation. The sensing characteristi…
View article: A method of multi-bit optical coding by constructing Brewster angles to enhance photonic spin Hall effect
A method of multi-bit optical coding by constructing Brewster angles to enhance photonic spin Hall effect Open
The photonic spin Hall effect, characterized by its polarization-driven spin-related displacement, has played an essential role in coding information processing. In this Letter, using a two-period double-layer dielectric plate, the displac…
View article: Dual-channel asymmetric absorption-transmission properties based on plasma metastructures-photonic crystals
Dual-channel asymmetric absorption-transmission properties based on plasma metastructures-photonic crystals Open
In this paper, a kind of plasma metastructures-photonic crystals (PMPC) structure is proposed to investigate the absorption and transmission properties of electromagnetic waves (EWs) incident from opposite directions. The results show that…