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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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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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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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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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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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- Zeng, Y. (author) doctoral thesis 2023
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Zeng, Shi (author)São Paulo, like many other urban centers worldwide, grapples with a stark contrast in living conditions and spatial inequity between various income groups. Nowhere is this divide more evident than in the sprawling favela areas, where marginalized individuals face numerous challenges in their daily lives. The existing housing in these areas often...master thesis 2023
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Zeng, Fanzhe (author)This graduation project is a part of NEXTSKINS project, within which a novel bacterial cellulose based material encapsulating living bacteria and yeast named Living Therapeutic Skins (LTS) is being developed to sense and treat skin disease such as Atopic Dermatitis(AD). This project serves as a probe in the primitive stage of LTS material...master thesis 2023
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Zeng, Sijun (author)Site characterization is indispensable in the design phase of geotechnical engineering projects. As a key factor in site characterization, the characterization of soil undrained shear strength (S<sub>u</sub>) is always in the spotlight. Various methods, including laboratory and in-situ tests, have been developed to measure S<sub>u</sub>....master thesis 2023
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Zeng, SIJIE (author)In order to track the speed profile, a case study using a linear quadratic regulator (LQR) is addressed in this paper. A time-invariant nonlinear train motion model is constructed. To apply LQR, the quadratic term of the aerodynamic drag and the rolling mechanical resistance is linearized. Gradient resistance, curve resistance, and other...master thesis 2023
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Zeng, Henwei (author)Several algorithms can often be used to solve a complex problem, such as the SAT problem or the graph coloring problem. Those algorithms differ in terms of speed based on the size or other features of the problem. Some algorithms perform much faster on a small size while others perform noticeably better on a larger instance. The optimization...bachelor 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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Men, Jinkun (author), Chen, Guohua (author), Reniers, G.L.L.M.E. (author), Rao, Xiaohui (author), Zeng, Tao (author)Liquid storage tanks play a vital role in the modern chemical process industry (CPI). The strong ground motion caused by large-scale earthquakes may easily impose severe structural damage on liquid storage tanks, leading to a series of catastrophic cascaded events. The seismic damage estimation of liquid storage tanks is a challenging problem,...journal article 2023
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Hu, Zhi Yi (author), Lin, Yi Peng (author), Wang, Qing Ting (author), Zhang, Yi Xin (author), Tang, Jie (author), Wang, Shuai (author), van Loosdrecht, Mark C.M. (author), Zeng, Raymond Jianxiong (author), Zhang, Fang (author)By maintaining the cell integrity of waste activated sludge (WAS), structural extracellular polymeric substances (St-EPS) resist WAS anaerobic fermentation. This study investigates the occurrence of polygalacturonate in WAS St-EPS by combining chemical and metagenomic analyses that identify ∼22% of the bacteria, including Ferruginibacter and...journal article 2023