نتایج جستجو برای: railroad traffic control

تعداد نتایج: 1406921  

2010
JOHN K. COX Danilo Kiš

It was in this city, then, that two crucial factors in my life took shape, as ordained by God or Chance: here is where my father, Eduard Kiš (orig. Kohn – JKC), senior inspector of the state railways and author of the Yugoslav Timetable for Railroad, Bus, Ship and Air Traffic, met my mother, Milica Dragihevih, a Montenegrin beauty, away from her native Cetinje for the first time, on a visit to ...

Journal: :Cadernos de saude publica 1997
Seligmann-Silva

This article focuses on some relations between mental health and current technical, organganizaizational, and contextual changes in work. The paper presents some features of a case study, examining the impacts of the work situation in a railroad company on traffic controllers and conductors of a computorized, automatedded system. The article also discusses the implications for the safety of the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده حسابداری و مدیریت 1387

چکیده ندارد.

Journal: :Sustainability 2021

Lead-acid batteries are commonly used as power sources for critical operations in the world. They find application air-traffic control towers, uninterruptible supplies (UPS), railroad crossings, military installations, hospitals, and weapons systems. also known automotive industrial batteries. consist of large amounts lead, sulphuric acid, plastics. The acid is tremendously irritant a carrier s...

2000

The Committee on Railroad-Highway Grade Crossings is concerned with the safety and other affected characteristics (including economic considerations, traffic flow and delay, and countermeasures) of both highway and rail traffic at points where they intersect at grade, including the proximate surrounding environment and rail transit facilities. This is a white paper on the state of the art and t...

Journal: :Journal of occupational and environmental medicine 2001
R E Fronczak

The number of railroad events reported to the Agency for Toxic Substances and Disease Registry's Hazardous Substances Emergency Events Surveillance system increased from 84 in 1993 to 177 in 1998. Comparisons of data on railroad and non-railroad events were made. The results overall indicated a greater potential impact of railroad events on public health. A median number of 2039 persons were li...

2003
Geoffrey Channon

This paper offers a brief excursion into the comparative history of competition in the railroad industries of the United States and Britain. It starts from the observation that when faced with the unprecedented dynamics and costs of duopolistic and oligopolistic competition, railroad leaders in both countries searched for stability. The response in America appears to have moved from informal co...

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