Yuhang Ren
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View article: The Impact of Low-Altitude Economy on the Development of Tourism
The Impact of Low-Altitude Economy on the Development of Tourism Open
This paper focuses on the development of China's low-altitude economy and its impact on the tourism industry. Through literature analysis, it defines low-altitude economy and low-altitude tourism, and conducts in-depth research on the indu…
View article: Nonlinear Optical Imaging of Entangled Heterophase Polydomains in Ferroelectric BZT Films (Adv. Electron. Mater. 13/2025)
Nonlinear Optical Imaging of Entangled Heterophase Polydomains in Ferroelectric BZT Films (Adv. Electron. Mater. 13/2025) Open
View article: Research on thermal insulation structure of piezoelectric active vibration suppression system in cryogenic wind tunnel
Research on thermal insulation structure of piezoelectric active vibration suppression system in cryogenic wind tunnel Open
The cryogenic wind tunnel test has emerged as the primary method for acquiring the aerodynamic characteristics of aircraft. Nevertheless, within the cryogenic wind tunnel, the high flow velocity, low temperature, and complex flow significa…
View article: Active vibration suppression method for variable-section vertical tail of wind tunnel model
Active vibration suppression method for variable-section vertical tail of wind tunnel model Open
Stealth fighters and high-altitude high-speed aircraft predominantly utilize an outward-inclined dual vertical tail configuration. During wind tunnel tests, turbulent flow fields induce fluid-structure interaction (FSI) resonance at the ve…
View article: Research on the Current Status of Joint Brand Marketing in Tourism Activities: A Factor Detection Analysis Based on 10 Prefecture-Level Cities in Shaanxi Province
Research on the Current Status of Joint Brand Marketing in Tourism Activities: A Factor Detection Analysis Based on 10 Prefecture-Level Cities in Shaanxi Province Open
This study focuses on 10 prefecture-level cities in Shaanxi Province, exploring the impact of joint tourism brand marketing on regional tourism competitiveness. Through entropy method, coupling coordination degree model, and geographic det…
View article: Nonlinear Optical Imaging of Entangled Heterophase Polydomains in Ferroelectric BZT Films
Nonlinear Optical Imaging of Entangled Heterophase Polydomains in Ferroelectric BZT Films Open
Quantitative evaluation of multi‐phase evolution and domain characteristics in ferroelectric thin films is essential for understanding device engineering and underlying physical mechanisms. However, extracting local strain distribution and…
View article: Second Harmonic Generation Imaging of Strain-Induced Domain Evolution Across Grain Boundaries in SrTiO3 Bicrystals
Second Harmonic Generation Imaging of Strain-Induced Domain Evolution Across Grain Boundaries in SrTiO3 Bicrystals Open
Understanding strain behavior near grain boundaries is critical for controlling structural distortions and oxygen vacancy migration in perovskite oxides. However, conventional techniques often lack the spatial resolution needed to analyze …
View article: Effect of subphase change point temperature cyclic heat treatment on the microstructure and mechanical properties of Ti65 high-temperature titanium alloy fabricated by laser deposition manufacturing
Effect of subphase change point temperature cyclic heat treatment on the microstructure and mechanical properties of Ti65 high-temperature titanium alloy fabricated by laser deposition manufacturing Open
Laser deposition manufacturing(LDM) offers a novel approach for the fabrication of Ti65 high temperature titanium alloy components. However, the plasticity of Ti65 components manufactured via laser deposition is relatively low. To enhance …
View article: Safety Design of Rotary Drilling Rig Mast Based on Multi-Condition Analysis
Safety Design of Rotary Drilling Rig Mast Based on Multi-Condition Analysis Open
To achieve both safety and a lightweight design for rotary drilling rig masts, this study proposes an optimization method incorporating safety evaluation constraints. The method employs the limit state method to validate the mast structure…
View article: Experimental investigation on pore structure of normal-pressure shale gas reservoirs and its impact on the migration of fracturing fluid: Insights from the Pengshui Area, Sichuan Basin
Experimental investigation on pore structure of normal-pressure shale gas reservoirs and its impact on the migration of fracturing fluid: Insights from the Pengshui Area, Sichuan Basin Open
View article: Fatigue life prediction of the drilling mast for rotary drilling rig using an improved hybrid algorithm
Fatigue life prediction of the drilling mast for rotary drilling rig using an improved hybrid algorithm Open
To address the demand for accurate fatigue life prediction of the drilling mast for rotary drilling rig in engineering, an improved hybrid Aquila-African Vulture Optimization Algorithm (IAOAVOA) is proposed to optimize the BP neural networ…
View article: Optimization of Rotary Drilling Rig Mast Structure Based on Multi-Dimensional Improved Salp Swarm Algorithm
Optimization of Rotary Drilling Rig Mast Structure Based on Multi-Dimensional Improved Salp Swarm Algorithm Open
The mast is a critical component of rotary drilling rigs, which has a cross-section consisting of a rectangular shape formed by two web plates and two flange plates. Structural optimization of the mast is necessary to address the issue of …
View article: Young dove trees tend to invest more biomass in vegetative and reproductive organs than old trees at the twig level
Young dove trees tend to invest more biomass in vegetative and reproductive organs than old trees at the twig level Open
Research on the functional traits of twigs is of great significance to clarify the plant life-history strategies, especially for endangered plants. However, little attention has been given to the environmental adaptation strategy of differ…
View article: Hysteresis modeling of piezoelectric actuators based on neural network considering load and environmental stiffness
Hysteresis modeling of piezoelectric actuators based on neural network considering load and environmental stiffness Open
Piezoelectric actuators (PA) are widely used in the field of aircraft wind tunnel testing due to their high displacement resolution and fast response speed. However, the displacement exhibits hysteresis and the characteristics shift under …
View article: Fatigue Life Prediction of the Drilling Mast for Rotary Drilling Rig Using an Improved Hybrid Algorithm
Fatigue Life Prediction of the Drilling Mast for Rotary Drilling Rig Using an Improved Hybrid Algorithm Open
View article: Characterization of Structural Imaging Changes and Serum NFL Expression in Wmh Patients: A Study Based on Combined Structural Imaging and Serum Biology
Characterization of Structural Imaging Changes and Serum NFL Expression in Wmh Patients: A Study Based on Combined Structural Imaging and Serum Biology Open
View article: Study on the anchoring performance and failure mechanism of basalt/glass hybrid fiber reinforced plastic anchors in coupled environment
Study on the anchoring performance and failure mechanism of basalt/glass hybrid fiber reinforced plastic anchors in coupled environment Open
To investigate the real anchorage performance of basalt and glass hybrid fiber reinforced plastic (FRP) anchors in external corrosive environments. In this paper, a combination of experimental studies and finite element analysis was used. …
View article: Second Harmonic Generation Studies of Interfacial Strain Engineering in BaZr<sub>0.2</sub>Ti<sub>0.8</sub>O<sub>3</sub>
Second Harmonic Generation Studies of Interfacial Strain Engineering in BaZr<sub>0.2</sub>Ti<sub>0.8</sub>O<sub>3</sub> Open
Film ferroelectrics demonstrate large breakdown strength, high energy density, and many unique phenomena not found in bulk materials. In this investigation, a rhombohedral BaZr 0.2 Ti 0.8 O 3 (BZT) solid solution and various film‐substrate…
View article: Mechanical properties and failure mechanism analysis of basalt-glass fibers hybrid FRP composite bars
Mechanical properties and failure mechanism analysis of basalt-glass fibers hybrid FRP composite bars Open
In order to solve the defect of insufficient performance of the single fiber reinforced plastic (FRP) bars. The basalt fibers and glass fibers are prepared into the basalt-glass fibers hybrid FRP composite bars (B/G hybrid FRP bars) in thi…
View article: Demonstration of NV-detected $^{13}$C NMR at 4.2 T
Demonstration of NV-detected $^{13}$C NMR at 4.2 T Open
The nitrogen-vacancy (NV) center in diamond has enabled studies of nanoscale nuclear magnetic resonance (NMR) and electron paramagnetic resonance with high sensitivity in small sample volumes. Most NV-detected NMR (NV-NMR) experiments are …
View article: Allocation of Land Factors in China Looking Forward to 2035: Planning and Market
Allocation of Land Factors in China Looking Forward to 2035: Planning and Market Open
Land factors are natural resources with fundamental and strategic significance in the achievement of China’s 2035 modernization goals. Dilemmas caused by market-oriented or planning-oriented allocation of land factors urgently call for new…
View article: The Effect of Ultrasonic Shot Peening on Fatigue Behavior of Ta15 Titanium Alloy Fabricated by Forging-Additive Hybrid Manufacturing
The Effect of Ultrasonic Shot Peening on Fatigue Behavior of Ta15 Titanium Alloy Fabricated by Forging-Additive Hybrid Manufacturing Open
View article: Effects of white matter lesion grading on the cognitive function of patients with chronic alcohol dependence.
Effects of white matter lesion grading on the cognitive function of patients with chronic alcohol dependence. Open
Alcohol-dependent patients have more severe cerebral WMLs and significant cognitive impairment, particularly in visuospatial and executive functions, attention, calculation, abstraction, delayed recall and orientation. Serum NfL, TNF-α and…
View article: Evaluation of the properties and applications of FRP bars and anchors: A review
Evaluation of the properties and applications of FRP bars and anchors: A review Open
The performance deterioration of steel anchors caused by steel corrosion is becoming more serious in slope anchorage applications. Therefore, the fiber reinforced plastic (FRP) composites have become a substitute material for traditional a…
View article: Microstructural Origin of the High-Energy Storage Performance in Epitaxial Lead-Free Ba(Zr0.2Ti0.8)O3 Thick Films
Microstructural Origin of the High-Energy Storage Performance in Epitaxial Lead-Free Ba(Zr0.2Ti0.8)O3 Thick Films Open
In our previous work, epitaxial Ba(Zr0.2Ti0.8)O3 thick films (~1–2 μm) showed an excellent energy storage performance with a large recyclable energy density (~58 J/cc) and a high energy efficiency (~92%), which was attributed to a nanoscal…
View article: Electrical Field Driven Structural Evolutions of Polymorphic Nanodomains in Ferroelectric Ba(Zr,Ti)O<sub>3</sub> Films
Electrical Field Driven Structural Evolutions of Polymorphic Nanodomains in Ferroelectric Ba(Zr,Ti)O<sub>3</sub> Films Open
Film ferroelectrics possessing large breakdown strength and high energy density hold great promise for compact and efficient power systems. However, it is still unclear how the evolution of their underlying structure engenders their defini…
View article: A Pressure Correction Projection Finite Element Method for The 2D/3D Time-Dependent Thermomicropolar Fluid Problem
A Pressure Correction Projection Finite Element Method for The 2D/3D Time-Dependent Thermomicropolar Fluid Problem Open
In this paper, the pressure correctionfinite element method is proposed for the 2D/3D time-dependent thermomicropolarfluid equations. Thefirst-order and second-order backward difference formulas (BDF) are adopted to approximate the time de…
View article: Bimodal polymorphic nanodomains in ferroelectric films for giant energy storage
Bimodal polymorphic nanodomains in ferroelectric films for giant energy storage Open
Enhanced functional responses of ferroelectrics have often been achieved by complex compositional design of a morphotropic or polymorphic phase boundary. Here, we observe a pseudo-linear, ultra-slim polarization-electric field (P-E) hyster…
View article: Dilemmas, Directions and Paths of Macrocosm Urbanization in Zhejiang Province: An Analysis Framework Based on Agglomeration Index
Dilemmas, Directions and Paths of Macrocosm Urbanization in Zhejiang Province: An Analysis Framework Based on Agglomeration Index Open
As an important carrier to promote macrocosm urbanization, counties carry on the radiate effect of large and medium-sized cities from above and boosts rural revitalization from below. After sorting out the urbanization process of both deve…
View article: The Effect of Gegen Qinlian Decoction on Clinical Prognosis and Islet Function for Type 2 Diabetic Mellitus: A Protocol Systematic Review and Meta-analysis
The Effect of Gegen Qinlian Decoction on Clinical Prognosis and Islet Function for Type 2 Diabetic Mellitus: A Protocol Systematic Review and Meta-analysis Open
i v e : To systematically assess the effect of Gegen Qinlian Decoction on clinical prognosis and islet function for T2DM patients reported in randomized clinical trials (RCTs).C o n d i t i o n b e i n g s t u d i e d : W i t h t h e devel…