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Yin, Xinjian (author), Gong, Wenzhong (author), Zeng, Yujing (author), Qiu, Hulin (author), Liu, Lan (author), Hollmann, F. (author), Chen, Bishuang (author)The biocatalytic oxidative deamination of β-amino alcohols holds significant practical potential in kinetic resolution and/or deracemization process to access (R)-β-amino alcohols. This study exemplifies a notable instance of acquisition and utilization of this valuable oxidative deamination activity. Initially, the mutation N261M (M0) was...journal article 2024
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Bunea, S. (author), Li, M. (author), Demiröz, E. (author), Zeng, Peng (author), Willinger, Marc Georg (author), Urakawa, A. (author)The influence of nanostructures and interaction of Sn and Ir in oxygen evolution catalysts in a polymer electrolyte membrane electrolyzer were investigated. For this aim, two synthesis methods, namely, the one-step solution combustion method and the precipitation-deposition method with sodium borohydride reduction, were evaluated to prepare...journal article 2024
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Zeng, Y. (author), Nunez, Alfredo (author), Li, Z. (author)A train-borne laser Doppler vibrometer (LDV) directly measures the dynamic response of railway track components from a moving train, which has the potential to complement existing train-borne technologies for railway track monitoring. This paper proposes a holistic methodology to characterize train-borne LDV measurements by combining computer...journal article 2024
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Chen, Siyuan (author), Laefer, Debra F. (author), Zeng, Xiangding (author), Truong-Hong, Linh (author), Mangina, Eleni (author)Road networks are essential elements of a community's infrastructure and need regular inspection. Present practice requires traffic interruptions and safety risks for inspectors. The road detection system based on vehicle-mounted lasers is also quite mature, offering advantages such as high-precision defect detection, high automation, and...journal article 2024
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Liu, Yan (author), Zeng, Ningshuang (author), Papadonikolaki, E. (author), Maritshane, Kirk (author), Chan, P.W.C. (author)Amidst the disruptive backdrop of the COVID-19 pandemic, organizations are navigating toward a new normal, leveraging digital technologies to reconfigure business processes and operational practices. This study delves into the transformative effects of digitalization on project management, with a focus on integrating data-savvy talent in a data...journal article 2024
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Zeng, Y. (author), Nunez, Alfredo (author), Li, Z. (author)A transfer function (TF) is an effective representation of the load-response relationship of railway track structures. To fill the gap in measuring track structure TFs over a wide frequency range from a moving vehicle, we develop a TF measurement system and the associated TF estimation methodology. Accelerometers are utilized to estimate the...journal article 2024
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Wang, L. (author), Unsiwilai, S. (author), Zeng, Y. (author), Shen, C. (author), Hendriks, J.M. (author), Moraal, J. (author), Zoeteman, A. (author), Nunez, Alfredo (author), Dollevoet, R.P.B.J. (author), Li, Z. (author)Railway transition zones connecting conventional embankments and rigid struc-tures, such as bridges and tunnels, usually degrade much faster than other railway sections. Efficient health condition monitoring of transition zones is important for preventative track maintenance. In this paper, a methodology for monitoring rail-way transition zones...conference paper 2024
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Phusakulkajorn, W. (author), Hendriks, J.M. (author), Moraal, J. (author), Shen, C. (author), Zeng, Y. (author), Unsiwilai, S. (author), Bogojevic, B. (author), Asplund, Matthias (author), Zoeteman, A. (author), Nunez, Alfredo (author), Dollevoet, R.P.B.J. (author), Li, Z. (author)This work presents the results of a measurement campaign to demonstrate the effectiveness of the axle box acceleration (ABA) technology for detecting rail defects. The measurements were conducted along the Iron Ore line between Sweden and Norway for the IN2TRACK3 project. This line is mostly single-track with passenger-freight mixed traffic and...conference paper 2024
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Unsiwilai, S. (author), Shen, C. (author), Zeng, Y. (author), Wang, L. (author), Nunez, Alfredo (author), Li, Z. (author)This study presents a measuring framework for railway transition zones using a case study on the Swedish line between Boden and Murjek. The final goal is to better understand the vertical dynamics of transition zones using hammer tests, falling weight measurements, and axle box acceleration (ABA) measurements. Frequency response functions ...journal article 2024
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Wang, Xinyue (author), Chen, Haixue (author), Yang, Zhoudong (author), Liu, Wenting (author), Zeng, Zejun (author), Zhang, Kouchi (author), Zhang, Jing (author), Fan, Jiajie (author), Liu, Pan (author)With the increased deployment of power modules in demanding conditions, sintering materials, especially composite sintering materials, have raised growing interest due to their cost-effectiveness and suitability. Therefore, this study explores the viability of Cu–Ag composite sintering material, focusing on solvent influence through...journal article 2024
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Zeng, Yelong (author), Jia, Li (author), Jiang, Min (author), Zheng, C. (author), Menenti, M. (author), Bennour, Ali (author), Lv, Yunzhe (author)The West Sahel is facing significant threats to its vegetation and wildlife due to the land degradation and habitat fragmentation. It is crucial to assess the regional vegetation greenness dynamics in order to comprehensively evaluate the effectiveness of protection in the natural reserves. This study analyzes the vegetation greenness trends...journal article 2024
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Zeng, Yelong (author), Jia, Li (author), Menenti, M. (author), Jiang, Min (author), Zheng, Chaolei (author), Bennour, Ali (author), Lv, Yunzhe (author)Introduction: The vegetation dynamics of the Sahel-Sudan-Guinea region in Africa, one of the largest transition zones between arid and humid zones, is of great significance for understanding regional ecosystem changes. However, a time-unvarying trend based on linear assumption challenges the overall understanding of vegetation greenness...journal article 2024
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- Zeng, Y. (author) doctoral thesis 2023
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Dianyu, E. (author), Su, Zhongfang (author), Zeng, Jia (author), Yang, Liuyimei (author), Li, Jing (author), Xu, Qiang (author), Wang, L. (author), Cui, Jiaxin (author)Ionic rare earth ore is a type of featured rare earth ore in China. Its mining process suffers from a long leaching cycle and considerable consumption of leaching agents. Improving mining efficiency requires a sound physical understanding of the leaching process. In this study, the CFD-based numerical model is used to analyze the physical...journal article 2023
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Numerical Simulations of Effects of the Layout of Permeable Pile Groin Systems on Longshore CurrentsZhang, R. (author), Chen, Y. (author), Yao, P. (author), Stive, M.J.F. (author), Zeng, Jian (author)Coastal permeable groins have been used to protect beaches from erosion for centuries. However, the hydraulic functioning of permeable groins has not been fully understood and their design heavily depends on engineering experiences. In this study, numerical experiments were executed to investigate the effects of layout configurations of a...journal article 2023
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Zeng, Tao (author), Chen, Guohua (author), Reniers, G.L.L.M.E. (author), Hu, Kun (author)In chemical industrial areas, technological accidents triggered by natural events (Natech events) may escalate. Complex cascading multi-hazard scenarios with high uncertainties may be caused. Resilience is an essential property of a system to withstand and recover from disruptive events. The present study focuses on the change of the resilience...journal article 2023
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Li, Zhen (author), Chen, Zhiyuan (author), Wang, Jing (author), Wang, Jiawei (author), Jiang, Junmin (author), Du, S. (author), Cheng, Xu (author), Zeng, Xiaoyang (author), Han, Jun (author)This article presents a piezoelectric energy harvesting (PEH) interface circuit using a new self-bias-flip with the charge recycle (SBFR) technique without employing any additional energy reservoir. Traditional designs, including synchronous-switch harvesting on inductor (SSHI), synchronous-switch harvesting on capacitor (SSHC), synchronous...journal article 2023
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Liu, Xiangcheng (author), Niu, Yue (author), Jin, Duo (author), Zeng, Junwei (author), Li, Wanjiang (author), Li, Hao (author), Lee, Yi Kuen (author), French, P.J. (author), Wang, Yao (author)Transition metal dichalcogenides (TMDCs) garner significant attention for their potential to create high-performance gas sensors. Despite their favorable properties such as tunable bandgap, high carrier mobility, and large surface-to-volume ratio, the performance of TMDCs devices is compromised by sulfur vacancies, which reduce carrier...journal article 2023
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Mitici, M.A. (author), de Pater, I.I. (author), Barros, Anne (author), Zeng, Zhiguo (author)The increasing availability of condition-monitoring data for components/systems has incentivized the development of data-driven Remaining Useful Life (RUL) prognostics in the past years. However, most studies focus on point RUL prognostics, with limited insights into the uncertainty associated with these estimates. This limits the...journal article 2023
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Li, Zhen (author), Chen, Zhiyuan (author), Law, Man-Kay (author), Du, S. (author), Cheng, Xu (author), Zeng, Xiaoyang (author), Han, Jun (author)With the advent of the lnternet-of-Things (1oT) era, sensor nodes are required in almost all fields to achieve a better interaction between humans and the environment. Piezoelectric energy harvester (PEH), which exhibits an equivalent electrical model of an AC current source /P in parallel with the inherent capacitor CP, is a promising...conference paper 2023