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  1. No Access

    Article

    Identification of rural courtyards’ utilization status using deep learning and machine learning methods on unmanned aerial vehicle images in north China

    The issue of unoccupied or abandoned homesteads (courtyards) in China emerges given the increasing aging population, rapid urbanization and massive rural-urban migration. From the aspect of rural vitalization,...

    Maojun Wang, Wenyu Xu, Guangzhong Cao, Tao Liu in Building Simulation (2024)

  2. No Access

    Article

    Nonlinear indicial functions for modelling aeroelastic forces of bluff bodies

    This study introduces a novel time-domain model of nonlinear indicial functions to capture the amplitude dependency of self-excited forces in aeroelastic instabilities, including flutter, vortex-induced vibrat...

    Guangzhong Gao, Ledong Zhu, Ole Andre Øiseth in Nonlinear Dynamics (2024)

  3. No Access

    Chapter and Conference Paper

    Multi-objective Optimization Design of a Double-Sided Linear Switched Reluctance Motor Using Response Surface Method

    In this paper, a double-sided linear switched reluctance motor (LSRM) is designed and optimized for the application of high thrust density and low thrust ripple. First, increasing thrust density and decreasing...

    Hongjia Liang, Guangzhong Cao, Sudan Huang… in The Proceedings of the 17th Annual Confere… (2023)

  4. No Access

    Chapter and Conference Paper

    Research on the Transition Characteristics of DC Electric Field of UHV Wall Bushing Based on Saturation Current Density Method

    DC wall bushing is the key equipment in the valve hall of converter station and plays an important role in improving the operational reliability of HVDC transmission system. However, under the action of long-t...

    Shan Liu, Guangzhong Yang, Qingyu Wang… in The Proceedings of the 17th Annual Confere… (2023)

  5. No Access

    Article

    State of health estimation for lithium-ion batteries in real-world electric vehicles

    The state of health (SOH) plays a significant role in the mileage and safety of an electric vehicle (EV). In recent years, many methods based on data-driven analysis and laboratory measurements have been devel...

    Ji Wu, LeiChao Fang, GuangZhong Dong, MingQiang Lin in Science China Technological Sciences (2023)

  6. No Access

    Article

    Automated Full Scene Parsing for Marine ASVs Using Monocular Vision

    Perceiving and parsing a maritime scene automatically and in real time is a key task for autonomous surface vehicle navigation. We propose a panoptic segmentation framework that allows end-to-end training and ...

    Dalei Qiao, Guangzhong Liu, Wei Li, Taizhi Lyu… in Journal of Intelligent & Robotic Systems (2022)

  7. No Access

    Article

    Influence of Loading Conditions on the Residual Flexural Capacity of Reinforced Concrete T-beams after Fire Exposure

    To explore the influence of the loading conditions and fire exposure time on the residual mechanical properties of concrete T-beams, 10 concrete T-shaped beams were designed and manufactured. Three levels of l...

    Caiwei Liu, **uliang Lu, Guangzhong Ba, Hao Liu… in KSCE Journal of Civil Engineering (2021)

  8. No Access

    Article

    Effect of Stirrup Corrosion and Fire on Shear Behavior of Reinforced Concrete Beams

    This article presents an investigation on corrosion damage effects on the shear bearing capacity of reinforced concrete (RC) beams after a fire. Accelerated corrosion tests were conducted using four RC beams d...

    Jialiang Liu, Jijun Miao, Guangzhong Ba… in KSCE Journal of Civil Engineering (2021)

  9. No Access

    Article

    Preparation of Paste Backfill Material from Mix-Calcined Sludge Ash

    Paper mill sludge ash (PMSA) and sewage sludge ash (SSA) were mixed and calcined at high temperatures to improve the hydration activity of the sludge ash. The resulting mixture was utilized as an auxiliary cem...

    Qianming Lu, Shuai Zhang, Guangzhong Sun, Xueqing Wang… in Waste and Biomass Valorization (2021)

  10. No Access

    Article

    Calculation of Thermal Fields of Cracked Concrete at Elevated Temperatures

    This paper analyzes the effects of cracking on the thermal field of concrete at elevated temperatures. In four concrete specimens with pre-made cracks, fire tests were performed. Then finite element analysis a...

    Yanchun Liu, Jijun Miao, Jialiang Liu, Guangzhong Ba… in KSCE Journal of Civil Engineering (2021)

  11. No Access

    Article

    Adsorption behaviors of gas molecules on the surface of ZnO nanocrystals under UV irradiation

    A UV-activated room temperature chemiresistive gas sensor based on ZnO nanocrystals film was fabricated. Its gas sensing properties under various conditions were also investigated in detail. The results shed n...

    Qiu** Zhang, GuangZhong **e, HongFei Du… in Science China Technological Sciences (2019)

  12. No Access

    Article

    Relative Permeability Model Taking the Roughness and Actual Fluid Distributions into Consideration for Water Flooding Reservoirs

    Reservoir relative permeability is greatly important to the development of water flooding reservoirs. Currently, most researches on relative permeability have not taken the roughness of pore surface and actual...

    Zhongwei Wu, Chuanzhi Cui, Yongmao Hao… in Arabian Journal for Science and Engineering (2019)

  13. No Access

    Article

    Flexible organic thin-film transistors based on poly(3-hexylthiophene) films for nitrogen dioxide detection

    Flexible nitrogen dioxide (NO2) gas sensors based on organic thin-film transistors (OTFTs) were developed in this work, in which conductive indium tin oxide (ITO) coated polyethylene naphthalene-2,6-dicarboxylate...

    **g Yang, GuangZhong **e, YuanJie Su… in Science China Technological Sciences (2018)

  14. No Access

    Article

    Students performance modeling based on behavior pattern

    Academic performance of college students is the main concern of educational institutions. Effective and timely predicting performance is not only conducive to the school’s Ministry to improve the efficiency of...

    ** Zhang, Guangzhong Sun, Yigong Pan… in Journal of Ambient Intelligence and Humani… (2018)

  15. No Access

    Article

    Multiscale simulation of major crack/minor cracks interplay with the corrected XFEM

    The present work aims at saving computational cost of multiscale simulation on major crack/minor crack interaction problems. The multiscale extended finite element method (MsXFEM) used for the numerical simula...

    Guangzhong Liu, Dai Zhou, Yan Bao, ** Ma… in Archives of Civil and Mechanical Engineeri… (2017)

  16. No Access

    Article

    Polyvinylpyrrolidone/graphene oxide thin films coated on quartz crystal microbalance electrode for NH3 detection at room temperature

    In this paper, composite film based on polyvinylpyrrolidone (PVP)/graphene oxide (GO) was fabricated by spray method on AT-cut 9.986 MHz quartz crystal microbalance (QCM) for NH3 sensing. The thin films were char...

    **ngFang Ma, GuangZhong **e, YuanJie Su, HongFei Du… in Science China Technological Sciences (2016)

  17. No Access

    Article

    Numerical investigation of mixed-mode crack growth in ductile material using elastic–plastic XFEM

    In the present work, the corrected extended finite element method (XFEM) is extended to conduct fatigue analysis of arbitrary crack growth in ductile materials. In corrected XFEM, the crack is modeled by addin...

    Guangzhong Liu, Dai Zhou, ** Ma… in Journal of the Brazilian Society of Mechan… (2016)

  18. No Access

    Article

    The mobility improvement of organic thin film transistors by introducing ZnO-nanrods as an zctive layer

    Organic thin film transistors (OTFTs) based on poly(3-hexylthiophene) (P3HT)/Zinc oxide (ZnO) nanorods composite films as the active layers were prepared by spray-coating process. The OTFTs with P3HT/ZnO-nanor...

    Tao **e, GuangZhong **e, HongFei Du, ZongBiao Ye… in Science China Technological Sciences (2016)

  19. No Access

    Article

    The effect of MWCNTs on the performance of α-sexithiophene OTFT device and its gas-sensing property

    In this paper, bottom contact organic thin-film transistor (OTFT) gas sensors were prepared. Silicon dioxide (SiO2) and titanium/aurum (Ti/Au) were used as the insulating layer and the electrode for the device, r...

    HuiLing Tai, Bo Zhang, ChengLi Duan, GuangZhong **e… in Science China Technological Sciences (2014)

  20. No Access

    Article

    A carbon monoxide sensor based on single-walled carbon nanotubes doped with copper chloride

    A carbon monoxide gas sensor based on single-walled carbon nanotube (SWCNT) has been developed for detection of carbon monoxide (CO) at room temperature. Copper chloride (CuCl) was mixed with SWNT by mechanica...

    GuangDi Zhang, HuiLing Tai, GuangZhong **e… in Science China Technological Sciences (2013)

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