نتایج جستجو برای: metro

تعداد نتایج: 4500  

Journal: :international journal of occupational hygiene 0
sunku venkata-siva-raja-prasad department of mechanical engineering, konerulakshmaiah education foundation (kluniversity) vijayawada, 522502, ap, india. pasupulati venkata-chalapathi department of mechanical engineering, konerulakshmaiah education foundation (k l university), vijayawada, 522502, ap, india.

infrastructure development being the major construction activity undertaken with the support of the government to eradicate poor transport infrastructure, to cater to ever-increasing population, to reduce the usage of own vehicle and environmental impact thereof, the concept of mass rapid transit system came into existence. among the various mass rapid transit system modes, metro rail construct...

Journal: :Information 2017
Lai Wei Zhenzhou Yuan

Timetable design is crucial to the reliability of a metro service. In terms of the delays caused by passengers’ boarding and alighting behaviors during rush hours, the planned timetable for a metro line with high-frequency service tends to be difficult to implement. General oversaturation events, rather than accidents or track damage, still have a significant impact on metro systems, so that tr...

2004
Bin Zhou

In this paper, we explore whether the geography of bank services has been converging toward the market since banking geographic deregulation. We use Illinois as a study area and examine changes in various market segments such as metro and non-metro markets, and regional markets. We adopt the Spatial Concentration Index (SCI) and the related supply and demand SCI deviations to measure changing s...

Journal: :Principia: an international journal of epistemology 2016

2007
Yannick Brehon Daniel Kofman Augusto Casaca

Metro Ethernet has been widely adopted lately. One of its goals is to provide clients with VPN services, and in this context, loadbalancing and protection have become important issues. This paper presents an original formulation of these problems in Metro Ethernet, and introduces an algorithm for load balancing which provides good numerical results.

Journal: :Optical Switching and Networking 2017
Lluis Gifre Massimo Tornatore Luis M. Contreras Biswanath Mukherjee Luis Velasco

As current sustained traffic growth is expected to strain capacity of today’s metro network, novel content distribution architectures where contents are placed closer to the users are being investigated. In that regard, telecom operators can deploy datacenters (DCs) in metro areas, thus reducing the impact of the traffic going from users to DCs. However, effective solutions to distribute conten...

2013
Haifeng Zhao

To study the impact of information dissemination on public's risk perception in metro emergencies, we carried out an empirical study among Shanghai Metro passengers. Though an investigation of passengers’ response to the frequency, type and channel of information dissemination, we developed a Logit model measuring public response for future manipulation.

2015
Liyin Shen Liudan Jiao Bei He Lanchun Li

The development of metro infrastructure projects (MIP) has been playing an important role in the economic growth in China through improving urban transportation condition. The economic benefits from MIP in China have been well appreciated. However, concerns on the utility efficiency and the impacts of MIP on social and environmental aspects have been increasingly raised. It is anticipated that ...

1996
Nancy G. La Vigne

Most successful crime prevention efforts take the approach of "designing out crime" through the identification of highly specific crime problems and the development of preventive efforts to reduce them (Clarke, 1992). A study of the design, maintenance and management of "Metro," Washington, DCs subway system, allows for the novel approach of evaluating an effort to design in security at the out...

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