Results 11 to 20 of about 46,776 (259)

Analysis and Solution of Electromagnetic Emission of High-speed EMU

机车电传动, 2020
In order to solve the problem of electromagnetic emission problem of high-speed EMU in the fixed frequency band during the type test, the electrical principle system of vehicle traction drive system was decomposed.
Nan JIA, Qiumin ZHANG
doaj   +1 more source

Study of the Precipitation Kinetics, Microstructures, and Mechanical Properties of Al-Zn-Mg-xCu Alloys

Metals, 2022
Microstructures and mechanical properties of Al-5Zn-2.6Mg alloys with 0.24, 0.43, and 0.91 wt.% Cu were studied and the precipitation rate and activation energy at 378, 393, and 408 K were calculated using the Arrhenius equation in this work.
Aiqin Tian, Lin Sun, Yunlai Deng, Manfa Yuan   +3 more
doaj   +1 more source

Investigation on the fluid-solid coupling effect in high-speed train’s windshield structure

Alexandria Engineering Journal, 2023
The high-speed train’s windshield structure is vital to the boundary layer development and drag reduction design. Up to date, windshield structures are assumed as rigid body in most train aerodynamic numerical simulations.
Jiangchuan Ma, Mingzhi Yang, Bosen Qian, Dawei Chen, Shuanbao Yao, Yundong Han, Zhikun Sun, Sha Zhong   +7 more
doaj   +1 more source

Design of permanent magnet traction system for a new generation of high-speed EMU

机车电传动, 2023
In order to promote scientific and technological innovation in the field of high-speed railway equipment, a new generation of 400 km/h EMU is attempted to create, which is faster, safer, more environment-friendly, energy-saving, intelligent. Based on the
WANG Lei, XU Yakun, ZHANG Mingtao, LI Jin   +3 more
doaj  

Can Greece be Expelled from the Eurozone? Toward a Default Rule on Expulsion from International Organizations [PDF]

, 2016
The ongoing European crisis has raised uncomfortable questions about the conditions under which treaty-based unions of nations like the EU or the EMU can legally expel a member—Greece being the most obvious candidate.
Blocher, Joseph, Gulati, Mitu, Helfer, Laurence R.   +2 more
core   +2 more sources

Fault Analysis System for High Speed EMU Control Network Based on Fault Tree

Kongzhi Yu Xinxi Jishu, 2022
At present, fault analysis of high speed EMU is to classify and list all the fault causes according to the working principle, characteristics, functions and structure of the system.
XU Qing, LI Chuanyu
doaj   +3 more sources

One-Step Electrochemical Synthesis and Assembly of MnO2/Graphene and its Application for Supercapacitors

International Journal of Electrochemical Science, 2020
We developed a facile, rapid, scalable, and environmentally friendly route to synchronously achieve ultrathin, high-quality graphene and MnO2 nanosheets, which spontaneously migrated and coassembled on a cathodic 3D Ni foam.
Xin Cao, Liguo Ma, Aiqin Tian, Hanlin Zhang, Maojun Zheng, Shaohua Liu, Qiang Li, Yuxiu You, Faze Wang, Li Ma, Wenzhong Shen   +10 more
doaj   +1 more source

Ontogenetic scaling patterns and functional anatomy of the pelvic limb musculature in emus (Dromaius novaehollandiae) [PDF]

, 2014
Emus (Dromaius novaehollandiae) are exclusively terrestrial, bipedal and cursorial ratites with some similar biomechanical characteristics to humans. Their growth rates are impressive, as their body mass increases eighty-fold from hatching to adulthood ...
Abourachid, Alexander, Alexander, Alexander, Allen, Allen, Bertram, Biewener, Biewener, Brown, Carrier, Carrier, Carrier, Close, Close, Cubo, Daley, Davies, Dial, Dial, Doube, Fuss, Gangl, Gatesy, Gatesy, Gaunt, Gillooly, Goetz, Goonewardene, Haughton, Hemmingsen, Hokkanen, Hutchinson, Hutchinson, Hutchinson, Ker, Ker, Kleiber, LaBarbera, Main, Main, Maloiy, McMahon, Mendez, Miller, Minnaar, Muir, Patak, Patak, Paxton, Paxton, Picasso, Picasso, Picasso, Powell, R Development Core Team, Regnault, Sacks, Schmidt-Nielsen, Shadwick, Smith, Smith, Smith, Smith, Taylor, Thorpe, Vanden Berge, Yoshikawa, Young, Zinoviev   +69 more
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Analysis of loading characteristics of windshield wiper structure on high-speed train

High-Speed Railway
This paper studies the structural response of high-speed train wipers under the combined action of complex flow fields and scraping actions. The stress concentration areas are determined through simulation analysis, and the stress and aerodynamic load ...
Honglei Yuan, Quanwei Che, Sicong Zhao
doaj   +1 more source

Effects of Crash Dynamic Parameters of Urban Rail Transit Train on Climbing Behavior

Chengshi guidao jiaotong yanjiu
[Objective] In order to strengthen the passive safety design ability of urban rail transit trains during operation, it is necessary to study the effects of train crash dynamics parameters on climbing behavior.
Jiao XU, Qifan WU, Hongwei WANG, Shoune XIAO, Shang WANG   +4 more
doaj   +1 more source