??????? ??????????????? ?????????? ??????????

Подобные документы

• 1. Electric cars

  Electric cars are a variety of electric vehicle. Greenhouse gas emissions, depending on the method used for electricity generation to charge the batteries. Top-10 countries by world market share of new car sales in 2013 by electric-drive segment.
  
  ???????????, добавлен 21.06.2015
  

• 2. Improvement of the quality of control of the electric drives with indirect speed measurement

  Studies of the electric drive features with indirect speed measuring associated with the presence of the positive current feedback, with the significant voltage feedback pulsations in DC motor and with display of instability of the induction motor.
  
  ??????, добавлен 23.03.2016
  

• 3. Energy Saving Through Regenerative Braking in Diesel Locomotive with Super-capacitors

  Building an energy storage system for regenerative braking, with use of dc to dc converter, and testing rig to perform testing for dc drive with dc motor with the super capacitor bank against diesel locomotive (WDM2) regenerative braking profiles.
  
  ??????, добавлен 12.08.2013
  

• 4. The future of flight and airports

  The history of aviation from the earliest kites and attempts at tower jumping to supersonic, and hypersonic flight by. History of cabin crew. Airport: ownership and operation, products and services, cargo and freight services. Airports traffic pattern.
  
  ????? ?? ????????, добавлен 08.04.2014
  

• главная
• рубрики
• по алфавиту
• вернуться в начало страницы
• вернуться к подобным работам