Ziyang Gao
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View article: Surface-Mounted PMN-PT Piezoelectric Sensor with Time-Reversal Signal Processing for High-Strength Bolt Loosening Detection
Surface-Mounted PMN-PT Piezoelectric Sensor with Time-Reversal Signal Processing for High-Strength Bolt Loosening Detection Open
High-strength bolts play an essential role in connecting steel structural components across bridges, buildings, and machinery, thanks to their low cost and broad adaptability. However, prolonged exposure to complex loading and harsh enviro…
View article: Accelerated Development of Vapor Deposition Technology for Efficient Perovskite Solar Cells via Accurate and Practical Machine Learning Tools
Accelerated Development of Vapor Deposition Technology for Efficient Perovskite Solar Cells via Accurate and Practical Machine Learning Tools Open
The development of vapor deposition technology will accelerate the process of perovskite solar cells (PSCs) moving from laboratory scale to industrialization. However, the multi‐dimensional and complex parameter space will inevitably incre…
View article: Study on the Influence and Contribution Rates of Field Aging Factors on Rheological Performance of Bitumen
Study on the Influence and Contribution Rates of Field Aging Factors on Rheological Performance of Bitumen Open
Laboratory simulation of aging cannot restore the complex aging behavior of bitumen well. The objective of study is to reveal the role of various field aging factors on the aging process of virgin bitumen and SBS(Styrene–Butadiene–Styrene)…
View article: Fluid Flow and Heat Transfer Performances of Aluminum Alloy Lattices with Triply Periodic Minimal Surfaces
Fluid Flow and Heat Transfer Performances of Aluminum Alloy Lattices with Triply Periodic Minimal Surfaces Open
Thermal protection systems play a pivotal role in astronautical engineering fields. However, traditional rectangular fin (RF) structures exhibit low thermo-fluid properties. Inspired by the minimal surfaces in nature, this study develops t…
View article: Molecular structure influence of porous intrinsic polyimide nanofiber for high temperature flue gas filtration: Bisphenol AF, sulfone, ether bonds and hydroxyl groups
Molecular structure influence of porous intrinsic polyimide nanofiber for high temperature flue gas filtration: Bisphenol AF, sulfone, ether bonds and hydroxyl groups Open
Good atmospheric environment is the prerequisite for green development of technology. Industrial waste gas emission is one of the major causes of air pollution. To investigate the influence of Polyimide (PI) molecular structure on properti…
View article: Experimental Investigation on Buried Pipeline Bending Deformation Monitoring Using Flexible Piezoelectric Sensing
Experimental Investigation on Buried Pipeline Bending Deformation Monitoring Using Flexible Piezoelectric Sensing Open
View article: Source Apportionment and Health Risk Assessment of Heavy Metals in Agricultural Soil of a Typical Mining Township in Northeast China Based on Apcs-Mlr Coupled with Monte Carlo Simulation
Source Apportionment and Health Risk Assessment of Heavy Metals in Agricultural Soil of a Typical Mining Township in Northeast China Based on Apcs-Mlr Coupled with Monte Carlo Simulation Open
View article: Study on the Effect of Sodium Silicate Solution Injection Timings on Electrochemical Reinforcement of Dredged Sludge
Study on the Effect of Sodium Silicate Solution Injection Timings on Electrochemical Reinforcement of Dredged Sludge Open
To address the issue of uneven shear strength distribution in dredged sediment during electroosmosis treatment, a grouting system was employed to inject CaCl2 into the anode region and Na2SiO3 solution into the central region. An experimen…
View article: Effects of cation types on physicochemical parameters and micro-structure of soft clay for electrochemical treatment
Effects of cation types on physicochemical parameters and micro-structure of soft clay for electrochemical treatment Open
View article: Enhanced Compressive Mechanical Properties of Bio-Inspired Lattice Metamaterials with Taper Struts
Enhanced Compressive Mechanical Properties of Bio-Inspired Lattice Metamaterials with Taper Struts Open
The stress distribution within the struts of lattice metamaterials is non-uniform under compressive loads, with stress concentrations typically occurring at the node regions. Inspired by bamboo, this study proposes a type of body-centered …
View article: Hodge cycles and quadratic relations between holomorphic periods on CM abelian varieties
Hodge cycles and quadratic relations between holomorphic periods on CM abelian varieties Open
In this paper, we prove the following result advocating the importance of monomial quadratic relations between holomorphic CM periods. For any simple CM abelian variety $A$, we can construct a CM abelian variety $B$ such that all non-trivi…
View article: Heights and periods of algebraic cycles in families
Heights and periods of algebraic cycles in families Open
We consider the Beilinson-Bloch heights and Abel-Jacobian periods of homologically trivial Chow cycles in families. For the Beilinson-Bloch heights, we show that for any $g\ge 3$, we can construct a Zariski open dense subset $\mathcal{M}_g…
View article: Degeneracy loci in the universal family of Abelian varieties
Degeneracy loci in the universal family of Abelian varieties Open
Recent developments on the uniformity of the number of rational points on curves and subvarieties in a moving abelian variety rely on the geometric concept of the degeneracy locus. The first-named author investigated the degeneracy locus i…
View article: Bi-$\overline{\mathbb{Q}}$-structures on Hermitian symmetric spaces and quadratic relations between CM periods
Bi-$\overline{\mathbb{Q}}$-structures on Hermitian symmetric spaces and quadratic relations between CM periods Open
In this paper, we introduce the notion of a bi-$\overline{\mathbb{Q}}$-structure on the tangent space at a CM point on a locally Hermitian symmetric domain. We prove that this bi-$\overline{\mathbb{Q}}$-structure decomposes into the direct…
View article: Molecular Structure Influence of Porous Intrinsic Polyimide Nanofiber for High Temperature Flue Gas Filtration: Bisphenol AF, Sulfone, Ether Bonds and Hydroxyl Groups
Molecular Structure Influence of Porous Intrinsic Polyimide Nanofiber for High Temperature Flue Gas Filtration: Bisphenol AF, Sulfone, Ether Bonds and Hydroxyl Groups Open
View article: Experimental Research on Geological Fissure Monitoring Based on Distributed Piezoelectric Sensing Technology
Experimental Research on Geological Fissure Monitoring Based on Distributed Piezoelectric Sensing Technology Open
View article: Experimental study on dredged slurry improved by vacuum preloading with top and bottom drainage
Experimental study on dredged slurry improved by vacuum preloading with top and bottom drainage Open
The conventional vacuum preloading method is widely used to treat dredged slurry. However, this method cannot fully meet engineering requirements due to the loss of vacuum pressure. To overcome this issue, a method of vacuum preloading wit…
View article: Experimental study on axial compression monitoring of pile foundation based on sensor-enabled piezoelectric geocable
Experimental study on axial compression monitoring of pile foundation based on sensor-enabled piezoelectric geocable Open
In concealed underground projects, pile foundations may cause severe engineering accidents owing to factors such as construction technology, geological conditions, and material properties. Accordingly, the construction industry has invaria…
View article: The Relative Manin-Mumford Conjecture
The Relative Manin-Mumford Conjecture Open
We prove the Relative Manin-Mumford Conjecture for families of abelian varieties in characteristic 0. We follow the Pila-Zannier method to study special point problems, and we use the Betti map which goes back to work of Masser and Zannier…
View article: Degeneracy loci in the universal family of abelian varieties
Degeneracy loci in the universal family of abelian varieties Open
Recent developments on the uniformity of the number of rational points on curves and subvarieties in a moving abelian variety rely on the geometric concept of the degeneracy locus. The first-named author investigated the degeneracy locus i…
View article: Uterine artery embolization combined with ultrasound-guided dilation and curettage for the treatment of cesarean scar pregnancy: Efficacy and 5–8-year follow-up study
Uterine artery embolization combined with ultrasound-guided dilation and curettage for the treatment of cesarean scar pregnancy: Efficacy and 5–8-year follow-up study Open
UAE combined with D&C using ultrasound for the treatment of uterine CSP is safe and effective and may not affect the fertility of patients aged <40 years. However, menstrual volume may be reduced in some patients.
View article: Evaluating the methods for predicting permeability of unsaturated soils
Evaluating the methods for predicting permeability of unsaturated soils Open
The unsaturated permeability (kuns) is one of the key parameters in geotechnical and geo-environmental engineering involving unsaturated soils. To measured kuns in a matrix suction range of few Pa to thousands of kPa is time consuming and …