Exploit
发表于 2025-3-25 06:43:57
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克制
发表于 2025-3-25 08:12:57
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织布机
发表于 2025-3-25 14:31:21
Development of New Low-Noise Pantograph for High-Speed Trains developed a low-noise pantograph (PS208 type) to equip on the Series E5 Shinkansen trains that was able to reduce aerodynamic noise emitted around pantographs. However, with plans for greater increases in speed, pantograph-based noise continues to be an issue, as it has been one of the major noise
逗它小傻瓜
发表于 2025-3-25 17:13:53
The Influence of Track Parameters on the Sound Radiation from Slab Tracksew railway lines worldwide makes a review of these parameters relevant. In this paper, the structural vibrations of rail and slab are evaluated based on two waveguide finite element models that are coupled in a finite number of positions. This discretely supported rail is compared to a rail on a con
现任者
发表于 2025-3-25 22:14:52
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虚假
发表于 2025-3-26 03:50:27
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Mercurial
发表于 2025-3-26 08:21:27
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Indelible
发表于 2025-3-26 08:28:21
Vehicle Modeling for High Frequency Vibrationis called “structural-borne sound”. The high frequency vibration transfer characteristics of primary suspensions, such as helical springs, arm bush and damper, is important. In this paper, a vehicle-track coupling dynamic model was developed considering high frequency vibration transferred by the pr
EVADE
发表于 2025-3-26 15:46:35
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远地点
发表于 2025-3-26 19:33:18
Speech Intelligibility - Effects of Railway Tunnels at High Speedslly reflecting walls and track surfaces. The aim of this study was to investigate how speech communication is influenced inside a tunnel at speeds typical for Austria of up to 230 km/h using the speech transmission index for public address systems (STIPA). Although for the covered speed range the sp