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    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)

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    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)

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    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)

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    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)

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    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)

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    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)

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    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)

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    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)

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    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)

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    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)

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    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)

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    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)

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    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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    Article

    Evolution mechanism and quantitative characterization of initial micro-cracks in marble under triaxial compression

    The initial micro-cracks affect the evolution characteristics of macroscopic deformation and failure of rock but are often ignored in theoretical calculation, numerical simulation, and mechanical experiments. ...

    Zhiliang Wang 王志亮, Songyu Li **松玉 in Journal of Zhejiang University-SCIENCE A (2024)

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    Article

    Effect of nitrile butadiene rubber hardness on the sealing characteristics of hydraulic O-ring rod seals

    The nitrile butadiene rubber (NBR) hardness effect on the sealing characteristics of hydraulic O-ring rod seals is analyzed based on a mixed lubrication elastohydrodynamic model. Parameterized studies are cond...

    **aoxuan Li **晓暄, Bingqing Wang 王冰清 in Journal of Zhejiang University-SCIENCE A (2024)

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    Article

    Biomimetic microchannel network with functional endothelium formed by sacrificial electrospun fibers inside 3D gelatin methacryloyl (GelMA) hydrogel models

    Three-dimensional (3D) hydrogel models play a crucial role in tissue engineering for promoting tissue regeneration. A biomimetic microchannel network system in the 3D hydrogel model is necessary for optimal ce...

    Haoyu Sun 孙浩宇, Haiyang Ma 马海洋, Li Wang 王立 in Journal of Zhejiang University-SCIENCE A (2024)

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    Article

    Numerical modeling and experimental investigation of a two-phase sink vortex and its fluid-solid vibration characteristics

    A sink vortex is a common physical phenomenon in continuous casting, chemical extraction, water conservancy, and other industrial processes, and often causes damage and loss in production. Therefore, the real-...

    Zichao Yin 殷梓超, Yesha Ni 倪耶莎, Lin Li **霖 in Journal of Zhejiang University-SCIENCE A (2024)

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    Article

    A novel approach for the optimal arrangement of tube bundles in a 1000-MW condenser

    针对大型凝汽器, 提出一种新的方法来解决传统多孔介质模型的缺点, 优化冷凝器管束布局。

    **ju Guo 郭金菊, Taoye Yin 尹韬烨, Shuai Wang 王帅 in Journal of Zhejiang University-SCIENCE A (2023)

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    Article

    Dynamics of buoyancy-driven microflow in a narrow annular space

    This paper aims to investigate the dynamics of buoyancy-driven microflow in a narrow annular space inside a liquid floated gyroscope (LFG). Several theoretical models with a non-uniform thermal boundary for fl...

    Yanzhong Wang 王延忠, Ya** Zhang 张亚萍 in Journal of Zhejiang University-SCIENCE A (2023)

  20. No Access

    Article

    Numerical modeling and experimental study of microstam** process for fabricating microchannels using thin sheets of titanium

    Ultra-thin sheets of titanium for fabricating microchannels have been used in fuel cells due to their good corrosion resistance and high strength-weight ratio. This paper presents a constitutive model for stud...

    Wenze Mao 毛文泽, Yancheng Wang 汪延成 in Journal of Zhejiang University-SCIENCE A (2023)

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