نتایج جستجو برای: european railways
تعداد نتایج: 188751 فیلتر نتایج به سال:
The objective of this paper is to present review on the axle used in railways to have better performance with minimum losses to railways . There are various material which is used for manufacturing axle. This paper gives the summary and range of various material used in the railway axle and our aim is to find stresses on axle and is to reduce the maintainence cost stresses as well as increase t...
STUDY OBJECTIVES To locate geographical sources of engine exhaust emissions in Great Britain and to link them with the birth addresses of children dying from cancer. To estimate the cancer initiating roles of nearby roads and railways and to measure effective ranges. DESIGN Birth and death addresses of all children born between 1955 and 1980 in Great Britain, and dying from leukaemia or other...
When the railway appeared as a new means of transportation in the first half of the 19th century, its top speed of 30 to 40 km/h was considered dangerous. In Germany, where Adler transported two barrels of beer between Nuremberg and Fürth in 1835 as the first German rail freight, physicians warned people against such perilous adventures and farmers were worried that their cows grazing alongside...
Does railway technology represent Japanese national identity? This paper focuses on the narratives indicating as a form of identity representation. Using government pronouncements and interviews given by people involved in supply industry appearing vernaculars, I show that constitutes an integral component contemporary narrative, which has been built up through particular technopolitical regime...
This article describes a next-generation architecture for wireless communications, based on mobile phone carriers (GPRS) and broadband (WiFi), developed for the field of railways and allowing "train-to-earth" communications. This communication channel aims to complement traditional railway communication systems and its benefits make the deployment of new services, such as passenger oriented ser...
When rails are laid in a railway track, small gaps are left between the ends of adjoining rails to allow for the expansion of the rails when the temperature rises. Rail joints are provided to form a continuous rail path which are normally laid in standard lengths bolted together by fishplates. When two rail joints are exactly opposing each other, they are called square 

(side by side) jo...
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