Ricerca nelle sezioni IF
2009
  Num. 1
           
This article illustrates the main innovative
solutions developed for the 2 x 25 kV power supply and
electric traction systems of the Italian high-speed/high-capacity
railway lines. These solutions... read all  
  2008
  Num. 12
           
Recent innovations in yield-control support
systems are allowing contractors to increase the rate
of advance when tunnelling in difficult conditions associated
with severely squeezing ground. Such... read all  
  
                
