نتایج جستجو برای: railway productivity indicators

تعداد نتایج: 205436  

2007
CHUNLU LIU YU SONG

Research on the international comparison of productivity has gained significant interest throughout several previous decades. Relatively little work has however been done in the real estate sector. This paper aims to develop a new productivity measurement framework for the international comparison of the real estate sector based on the newly-published OECD input-output database. Three multifact...

2013
Paul van Rijn

This paper presents an overview of the types of productivity improvement efforts being conducted in the Army. The activities of the formal Army programs, which are associated with comptroller offices, typically reflect the traditional industrial engineer approach stressing efficiency with relatively little emphasis on behavioral science concerns. An exception is the Productivity Enhancement, Me...

Background & Objectives: Efficiency and productivity are considered as the most important performance indicators of an educational organization. This study aimed to estimate the efficiency and productivity of schools in Ahvaz University of Medical Sciences, Ahvaz, Iran. Materials and Methods: This descriptive study was based on panel and time series data. In total, seven schools of Ahvaz Jundi...

2009

China Railway consists of eighteen regional bureaus, geographically distributed across China, with each regional bureau having their own regional Data Center. Physically distributed and managed at a regional level, the information system of China Railway is a highly complex distributed mission critical system, integrated in networks but largely isolated in term of system resources with applicat...

2011
Ulrich Kral Paul H. Brunner

" Sustainable management of railway infrastructure –a case study in analyzing the fate of copper along railway tracks " , 9th World Congress on Railway Research " Meeting the challenges for future mobility " , May 22-26, SNCF, Lille, France.

2004
M. A. Salido F. Barber M. Abril P. Tormos A. Lova L. Ingolotti

Railway capacity has been a significant issue in the railway industry. Over the last few years, numerous approaches and tools have been developed to compute railway capacity. In this paper, we compute railway capacity to design a topological model for solving periodic train scheduling, developed in collaboration with the National Network of Spanish Railways (RENFE). This topological technique t...

2014
Lay San Too Allison Milner Lyndal Bugeja Roderick McClure

BACKGROUND Railway suicide has significant adverse impacts for the victims, their family and friends, witnesses to the incident, general public and train network. There is no previous review on the socio-environmental factors and railway suicide. The research question asked in this review was: 'What socio-environmental risk and protective predictors are significantly associated with railway sui...

Journal: :European journal of public health 2006
J Baumert N Erazo K H Ladwig

BACKGROUND Railway suicides strongly impact psychological and socioeconomic aspects of the railway company, its employees and possible eye witnesses. We aimed to assess the incidence of railway suicides compared with the total burden of suicides in Germany and its time trend over a 10-year observation period. METHODS From 1991 to 2000, a total of 8,653 fatal railway suicides were recorded by ...

ژورنال: :مهندسی عمران مدرس 0
جبارعلی ذاکری دانشگاه علم و صنعت ایران تهران میثم نعیمی دانشگاه علم و صنعت ایران، تهران مرتضی اسماعیلی دانشگاه علم و صنعت ایران، تهران

abstract: ballasted railway track are of the most common types of railway in our country. the aim of this paper is study of three-dimensional suitable model for railway ballasted track and dynamic analysis of that using numerical runge-kutta 4th order method. after the dynamic analysis is performed the responses related to railway components are determined. to analyze the effect of passing rail...

Journal: :BMC public health 2016
Anna K Taylor Duleeka W Knipe Kyla H Thomas

BACKGROUND In 2010, the "Tackling Suicide on the Railways" programme was launched as a joint initiative among Network Rail, the Samaritans and other key organisations such as the British Transport Police and train operators to achieve a 20% reduction in railway suicides from 2010 to 2015 in Great Britain. We report the most recent age and sex specific trends in railway suicide in England and Wa...

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