Abstract: Accurately predicting geological structures (GSs) ahead of tunnel excavation is of paramount importance for ensuring safety in coal mines. The standard time or frequency analysis methods ...
Materials I used: Soft copper wire: 20 gauge (wire diameter 0.8mm): 7cm (2.8 inch) for each double heart link 2cm (0.8 inch) for each beaded link 2cm (0.8 inch) for the clasp Beads: 4mm (abacus ...
As Advanced Registration approaches, The Daily Pennsylvanian compiled a list of five easy courses to take this coming spring. According to Penn Course Review, each class listed has under a 1.5 out of ...
Abstract: This paper proposes an advanced discontinuous pulse-width modulation (DPWM) scheme for a dual inverter to reduce switching loss. A dual inverter is used to drive an open-end winding interior ...