نتایج جستجو برای: transport infrastructure

تعداد نتایج: 362133  

Journal: :Simulation Modelling Practice and Theory 2012
Johan Holmgren Paul Davidsson Jan A. Persson Linda Ramstedt

We present the Transportation And Production Agent-based Simulator (TAPAS), which is an agent-based model for simulation of transport chains that can be used, e.g., for analysis of transport-related policy and infrastructure measures. TAPAS is more powerful than traditional approaches to freight transport analysis, as it explicitly models production and customer demand, and it captures the inte...

Freight and passenger transport are two main functions of the infrastructure and transportation networks in each country. It is required to efficiently utilize the transportation infrastructures to increase transportation-related performance measures. In this study, data envelopment analysis (DEA) model is used to evaluate performance of the Iranian provinces from the freight and passenger tran...

2003
Xubei LUO

Western region development is fundamental to the sustainable growth of China. The rapid growth in the East and the backwardness in the West vividly demonstrate its unbalanced regional economic structure. The catching-up of the Western region constitutes a major concern for the long-term sustainable development in terms of economic growth as well as in terms of politic stability. Western region ...

2016

Transport infrastructure assets are key components of the national asset portfolio. The decision to invest in a new infrastructure in transports could take from a few years to some decades. This is mainly because of the need to reserve and spent many capitals, the long payback period, the number of the stakeholders involved in decision process and –many timesthe investment and business risks ar...

2000
Holger Schmidt Norbert Wienold

Implementing e-services successfully requires an adequate service infrastructure which delivers a solid base for reliable services. A major part of this service infrastructure is the transport infrastructure which e.g. constitutes the Internet. This transport infrastructure is responsible for delivering a reliable end to end transport service with different service levels which is a prerequisit...

Journal: :The International Journal of Behavioral Nutrition and Physical Activity 2006
Kirsten Krahnstoever Davison Catherine T Lawson

BACKGROUND Many youth today are physically inactive. Recent attention linking the physical or built environment to physical activity in adults suggests an investigation into the relationship between the built environment and physical activity in children could guide appropriate intervention strategies. METHOD Thirty three quantitative studies that assessed associations between the physical en...

2013
Vassilios Profillidis

The present paper is an effort to support a rational and justified answer to the question whether and to which extent the various categories of transport infrastructure (airports, roads, railways, ports) contribute to economic development and employment. The analysis is based on a review of relevant scientific work and research conducted by the authors. Conditions for a transport infrastructure...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

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