High-pressure electron tunneling spectroscopy reveals the presence of a superconducting gap in H₃S and D₃S. Superconductors ...

Hyderabad: The technical committee of the Srisailam Left Bank Canal (SLBC) decided to use only the drill and blast method ... tunnelling works. The technical committee was against using the Tunnel ...

In view of the problems existing in traditional tunnel clearance inspection methods, such as low density, slow speed and a lot of manual operations, this paper proposes a tunnel clearance ...

Boeing subsidiary Aurora Flight Sciences is a finalist in an X-plane competition organised by the US Defense Advanced ...

These tunnel-boring machines are part of a tunnelling renaissance that is creating a new, mainly hidden, London. They have been used to drill the Silvertown Tunnel, Crossrail, the Power Tunnels in ...

Most of these studies adopt the middle pilot tunnel method, where the tunnel structure is primarily characterized by an integral middle wall and a compound middle wall. However, there has been ...