Abstract: Solid State Transformers (SST) technology offers attractive features for high-frequency marine propulsion drives. Existing solutions based on Si-IGBTs face limitations due to high switching ...

Atomic force microscopy (AFM) is a technique originally developed to assess the physical and mechanical properties of materials at extremely high resolutions, but the imaging speeds aren't fast ...

Abstract: Transformer's internal arc fault is one of its most serious ... this paper conducts 640 power-frequency arc experiments, the most numerous and well-organized experiments reported so far. An ...

If the link is not working, try using the right mouse button/save link target as... You can only log in once at a time on a download server. If you want to download a ...

(AP Photo, File) DAKAR, Senegal (AP) — The junta-led West African countries of Niger, Burkina Faso and Mali have created a joint force that will soon be deployed in the restive Sahel region against ...

Researchers at Harvard University and other institutes have introduced a new approach to control the interactions between high-frequency phonons and single solid-state quantum systems. Their ...

as a function of frequency, especially at relatively high frequencies in the range of 100 kHz to 5 MHz, has been shown to be highly sensitive to even minor displacements in the geometric structure of ...

Over the last couple of months, Delta Force has cemented itself as one of the premier shooters in the PC market. Combining the extraction shooter genre with Battlefield-esque game modes has been a ...

xPACIFICA / Getty Images High-frequency trading (HFT ... This extra time advantage is believed to force other market participants to operate at a disadvantage, leading to claims of unfair ...