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Influence of Vibration Isolator Failure on Vehicle Operation Performance and Floating Slab Track Structure Vibration Reduction Effectiveness
Published 2019-01-01“…At present, steel-spring floating slabs have been widely used in urban rail transit to reduce the influence of ground vibration caused by vehicle operation on the surrounding environment. …”
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486
Enhancing Manufacturing Precision: Leveraging Motor Currents Data of Computer Numerical Control Machines for Geometrical Accuracy Prediction Through Machine Learning
Published 2024-12-01“…Our predictive models were trained and validated on a dataset that included motor current readings and corresponding geometric measurements of a mounting rail later used in an engine block. The results showed that the proposed approach enabled the prediction of three geometric features of the mounting rail with an accuracy (MAPE) below 0.61% during the learning phase and 0.64% during the testing phase. …”
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487
Feasibility of Tunable Amplifier and Bandpass Filter for Mobile Handsets Using Active Inductor Circuits
Published 2002-01-01“…The specifications for a mobile handset amplifier and a bandpass filter operating from a 3 V supply rail are used as test vehicles. The design and simulation of the circuits employs a low-cost commercially available low pinch-off GaAs MESFET process. …”
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488
Optimized Airborne Millimeter-Wave InSAR for Complex Mountain Terrain Mapping
Published 2025-01-01Get full text
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489
Study on Seismic Response Characteristics of Shield Tunnel in Soil-Rock Combination Stratum
Published 2022-01-01“…To explore the influence of soil-rock combination stratum vibration on the shield tunnel, the section of Jinan rail transit line 4 at the Olympic Sports Center is used as the research background. …”
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490
Florida Solid and Hazardous Waste Regulation Handbook: Hazardous Materials Transportation Authorization Act (HMTAA)
Published 2004-01-01“…The statute is so comprehensive that it covers the transportation of hazardous materials by: aircraft, rail, ships, and vehicles. This is EDIS document FE449, a publication of the Department of Food and Resource Economics, Florida Cooperative Extension Service, UF/IFAS, University of Florida, Gainesville, FL. …”
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Pour une approche ressourcielle du développement durable
Published 2014-06-01“…In this article, we present an analytical framework based on the concepts of “resource” and “institutional resource regime” and illustrate these two concepts using an empirical application to two infrastructural resources – the air and rail transportation networks.…”
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492
Florida Solid and Hazardous Waste Regulation Handbook: Hazardous Materials Transportation Authorization Act (HMTAA)
Published 2004-01-01“…The statute is so comprehensive that it covers the transportation of hazardous materials by: aircraft, rail, ships, and vehicles. This is EDIS document FE449, a publication of the Department of Food and Resource Economics, Florida Cooperative Extension Service, UF/IFAS, University of Florida, Gainesville, FL. …”
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493
Design Method of Engine Timing Chain System
Published 2016-01-01“…The key technical points of main parts including timing chain,guide rail and tensioner are presented when designing the overall layout of engine timing system. …”
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Simulation and Optimization of Metro Train Braking Rate under the Timing Condition
Published 2025-01-01“…[Objective] With the proposal of a green and low-carbon development goal for urban rail transit in China, metro is facing a daily increasing pressure of energy saving and emission reduction. …”
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The integration of optimizing train timetables with EMU route plans
Published 2025-01-01“…Adopting a resource linkage perspective, this paper employs complex system modeling, combined with empirical data from actual high-speed rail cases. This approach can significantly shorten the preparation period for high-speed train timetables and EMU routing plans, accelerating the frequency of updates and upgrades to high-speed rail passenger transportation services. …”
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499
Dermoscopic and Histopathological Association in Pyogenic Granuloma: A Case Series in Skin of Color
Published 2025-01-01“…Dermoscopic features included reddish homogeneous areas (96.7%), white collarette (80%), white linear rail-lines (60%), hemorrhagic crust (30%), and rainbow phenomenon (30%). …”
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Vibration mechanism study based on coupled dynamic model for TBM main drive system
Published 2025-01-01Get full text
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