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  1. Article

    Open Access

    A hybrid encryption approach for efficient and secure data transmission in IoT devices

    Security is a crucial concern in the Internet of Things (IoT) ecosystem. Due to IoT devices' constrained processing and storage resources, providing reliable security solutions is challenging. Encryption is on...

    Limin Zhang, Li Wang in Journal of Engineering and Applied Science (2024)

  2. No Access

    Article

    Enhancement in the Hg0 oxidation efficiency and sulfur resistance of CuCl2-modified MnOx-CeOx nanorod catalysts

    In this study, a series of CuCl2-modified MnOx-CeOx nanorods were synthesized for the oxidation of Hg0. The addition of CuCl2 resulted in an enhancement in the catalyst’s Hg0 oxidation ability, and Hg0 oxidation ...

    Shujie Gao 高淑洁, Yong** Hu 胡永金 in Journal of Zhejiang University-SCIENCE A (2024)

  3. No Access

    Article

    High-performance and multifunctional organic photovoltaic devices

    Organic photovoltaic devices (OPVs) are emerging as a promising renewable energy source for the future. Their unique advantages, such as semitransparency, light weight, superior flexibility, and low cost, enab...

    Yiming Wang 王一鸣, Lijian Zuo 左立见 in Journal of Zhejiang University-SCIENCE A (2024)

  4. Article

    Open Access

    Detection research of insulating gloves wearing status based on improved YOLOv8s algorithm

    The safety hazards may be caused by power grid operators not wearing insulating gloves according to regulations for live electrical working. Additionally, existing methods for detecting the wearing status of i...

    Caixia Tao, Chaoting Wang, Taiguo Li in Journal of Engineering and Applied Science (2024)

  5. No Access

    Article

    A learning-based control pipeline for generic motor skills for quadruped robots

    Performing diverse motor skills with a universal controller has been a longstanding challenge for legged robots. While motion imitation-based reinforcement learning (RL) has shown remarkable performance in rep...

    Yecheng Shao 邵烨程, Yongbin ** 金永斌 in Journal of Zhejiang University-SCIENCE A (2024)

  6. No Access

    Article

    Geometrical transition properties of vortex cavitation and associated flow-choking characteristics in poppet valves

    Poppet valves have become increasingly significant in ensuring precise digital flow rate and pressure control in hydraulic systems, necessitating a more profound understanding of the geometrical properties of ...

    Liang Lu 陆亮, Zhongdong Liang 梁中栋 in Journal of Zhejiang University-SCIENCE A (2024)

  7. No Access

    Article

    Corrosion behavior and protection mechanism of carbon steel coated with ethylene chlorotrifluoroethylene (ECTFE)

    Ethylene chlorotrifluoroethylene (ECTFE) coating was applied to the surface of carbon steel through electrostatic spraying and low-temperature heat treatment. The morphology and structure of the coating were a...

    Peihu Shen 沈佩浒, Jun Wen 文俊, Biqin Dong 董必钦 in Journal of Zhejiang University-SCIENCE A (2024)

  8. No Access

    Article

    Monotonic mechanical behaviour of compacted completely decomposed granite with various inclusion levels of incineration bottom ash

    **年来, 不断增加的生活垃圾产生了大量的焚烧残渣(IBA). 同时, 考虑到土建材料的巨大用量需求和有限的自然资源, 充分利用固废材料变得越来越重要. 本研究通过静三轴试验, 研究了在不同的IBA体积含量和不同的压实全分化花岗岩(CDG)压实度下, IBA对CDG试样静力学特性的影响. 结果表明, 随着IBA体积含量的增加, 最大偏应力或抗剪**度逐渐增大, 呈双线性增加趋势. 当IBA的体积含量超过某一特征值时, ...

    Han-Lin Wang 王瀚霖, Cheng-Shuang Yin 尹承双 in Journal of Zhejiang University-SCIENCE A (2024)

  9. Article

    Open Access

    Investigating the effect of changing the geometric characteristics on the seismic behavior of the yielding shear panels

    The use of different types of shear panels as a large group of yielding dampers has been investigated. Acceptable seismic behavior such as stiffness and high deformation capacity, appropriate lateral resistanc...

    Chuncha Wang in Journal of Engineering and Applied Science (2024)

  10. Article

    Open Access

    Enhanced Whale Optimization Algorithm for task scheduling in cloud computing environments

    The escalation of cloud services, driven by their accessibility, improved performance, and cost-effectiveness, has led cloud service providers to consistently seek methods to expedite job completion, thereby b...

    Yanfeng Zhang, Jiawei Wang in Journal of Engineering and Applied Science (2024)

  11. Article

    Open Access

    Study on the resistance coefficient of hot dry rock cuttings in Herschel-Bulkley fluid: experiments and modeling

    Most hot dry rock geothermal wells are small angle directional wells, and rock cuttings easily accumulate at the bottom of the borehole to form a cuttings bed, causing accidents such as drill sticking, reducin...

    Lei Wang, **hui Li, Jianjun Zhao in Journal of Engineering and Applied Science (2024)

  12. No Access

    Article

    Preparation and properties of poly(ethylene glycol)-b-poly(3-acrylamidophenylboronic acid) glucose responsive particles and their hyaluronic acid-based microneedle patches

    To overcome the pain and risk of hypoglycemia in insulin administration, glucose-responsive microneedles have been developed by researchers, which could release insulin according to the blood glucose level. We...

    Yichuan Hong 洪溢川, Haojie Yu 俞豪杰, Li Wang 王立 in Journal of Zhejiang University-SCIENCE A (2024)

  13. No Access

    Article

    Comparative analysis between single-train passing and double-train intersection in a tunnel

    Aerodynamic pressure significantly impacts the scientific evaluation of tunnel service performance. The aerodynamic pressure of two trains running in a double-track tunnel is considerably more complicated than...

    Jianming Du 杜建明, Qian Fang 房倩, Xuan Zhang 张翾 in Journal of Zhejiang University-SCIENCE A (2024)

  14. No Access

    Article

    Emerging applicability of two-dimensional boron for energy catalysis

    Due to their unique physical and chemical properties, two-dimensional (2D) boron nanosheets have received tremendous research attention and demonstrated substantial value in electronic devices, biomedicine, an...

    Dake Zhang 张大科, Chengcheng Zhang 张城城 in Journal of Zhejiang University-SCIENCE A (2024)

  15. No Access

    Article

    Investigation on the resilient modulus of soil mixture at various water contents and coarse grain contents under train moving loads

    Interlayer soil in railway substructures is characterized by a fine/coarse soil mixture. Considering that the resilient modulus Mr of the mixture is influenced by the microstructure of fine soil, it is worthwhile...

    Yu Su 粟雨, Yue Zhang 张悦, Junyi Duan 段君义 in Journal of Zhejiang University-SCIENCE A (2024)

  16. Article

    Open Access

    Performance analysis of deep learning-based object detection algorithms on COCO benchmark: a comparative study

    This paper thoroughly explores the role of object detection in smart cities, specifically focusing on advancements in deep learning-based methods. Deep learning models gain popularity for their autonomous feat...

    Jiya Tian, Qiangshan **, Yizong Wang in Journal of Engineering and Applied Science (2024)

  17. Article

    Open Access

    Investigation of mechanical properties of high-performance concrete via optimized neural network approaches

    In this paper, an artificial intelligence approach has been employed to analyze the slump and compressive strength (CS) of high-performance concrete (HPC), focusing on its mechanical properties. The importance...

    Xuyang Wang, Rijie Cong in Journal of Engineering and Applied Science (2024)

  18. No Access

    Article

    A method for support stiffness failure identification in a steel spring floating slab track of urban railway: a case study in China

    The extensive use of steel spring floating slab tracks has effectively addressed the challenge of alleviating the environmental vibrations induced by urban rail transit systems. However, under the combined act...

    Junyuan Zheng 郑钧元, Caiyou Zhao 赵才友 in Journal of Zhejiang University-SCIENCE A (2024)

  19. No Access

    Article

    Recent progress in the development of dielectric elastomer materials and their multilayer actuators

    Dielectric elastomers (DEs) have emerged as one of the most promising artificial muscle technologies, due to their exceptional properties such as large actuation strain, fast response, high energy density, and...

    Shengchao Jiang 蒋升超, Junbo Peng 彭俊博 in Journal of Zhejiang University-SCIENCE A (2024)

  20. No Access

    Article

    Stress relaxation properties of calcium silicate hydrate: a molecular dynamics study

    The time-dependent viscoelastic response of cement-based materials to applied deformation is far from fully understood at the atomic level. Calcium silicate hydrate (C-S-H), the main hydration product of Portl...

    Zhicheng Geng 耿志成, Shengwen Tang 汤盛文 in Journal of Zhejiang University-SCIENCE A (2024)

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