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Driving van trailer (dvt)
| Глоссарий в железнодорожной технике |
A development of the driving trailer which was introduced in the uk following an accident at polmadie in scotland when a diesel multiple unit struck a cow and derailed, causing the deaths of several people. it is now forbidden in the uk to carry passengers in the leading vehicle of a train operating at speeds over 160 km/h, hence the introduction of the dvt.
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Development, английский
- Разработка; доводка
- Разработка; развитие; проявление
- Разработка; отработка; отладка; вариант; модификация
- Вариант; развитие (изобретения)
- 1. the process of growing, or of becoming larger and stronger, or more complex the development of the embryo takes place in the uterus. 2. something which happens and causes a change in a situation report any developments to me at once.
- N развитие cognitive ~ когнитивное развитие
- Министерство жилищного строительства и городского развития (сша)
- Property under construction, including preparation and installation of infrastructure
- Any computer code or materials, other than products, fixes or preexisting work, developed by microsoft or in collaboration with customer, which is provided to customer in the course of performance of a statement of services.
- Разработка (месторождения).
- Event, happening, occurrence
- Event, happening, occurrence something that has happened, or the act of making or improving something
- The evolution of something an individual is working on. personal qualities, mental well-being, or useful skills can all be developed and improved.
Introduction, английский
1. the act of putting something inside something the introduction of semen into the woman’s uterus the introduction of an endotracheal tube into the patient’s mouth 2. the act of starting a new process
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Dragging detector, английский
A device designed to alert a railway control centre that a train has become derailed or a part of the train is dragging on the right of way. normally consists of a bar placed across the four-foot (between the rails) which will be broken if struck. often used on remote heavy haul freight lines where it is difficult for the crew to detect a mishap of this sort.
Chopper control, английский
A development in electric traction control which eliminates the need for power resistors by causing the voltage to the traction motors to be switched on and off (chopped) very rapidly during acceleration. it is accomplished by the use of thyristors and will give up to 20% improvement in efficiency. for more information see the electric traction pages page.
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