Abstract: The dislocation of ring segments in shield tunnels poses adverse effects on tunnel structural stability and waterproofing. Current methods can only detect limited types of dislocation from ...
Abstract: Switching-state phase shift (SSPS) method is widely used in motor drive system with single dc-link current sensor (SDLCS) because of its advantages such as no additional hardware design ...
Control Point Heating • Cooling • Plumbing • Electric has announced enhanced support for the Mass Save HEAT program, enabling Shrewsbury, MA residents to access 0% interest financing for ...