News

NTSB cites hydraulic and electrical failures in FedEx 757 gear failure
The National Transportation Safety Board says a FedEx Boeing 757-200’s belly landing in Chattanooga, Tennessee, was caused by ...
FlightGlobal1d
FedEx 757 forced to land gear-up after broken wire impeded alternate undercarriage extension
US investigators have determined that a broken wire prevented activation of the alternate undercarriage extension system on a ...
IEEE4d
3D Image-Guided Robotic System for Bone Fracture Reduction
Abstract: To overcome possible drawbacks of bone fracture reduction such as risks of malrotation, radiation exposure, as well as laborious traction, image-guided robotic surgery systems have been ...
IEEE4d
A CP Reduction Scheme Based on Symbol Repetition for Narrow-Band IoT Systems
Abstract: In this article, we propose a novel waveform with low cyclic prefix (CP) overhead for narrow-band Internet-of-things (NB-IoT) systems. Compared with the classical orthogonal ...
C&EN5d
Effectiveness of Selective Catalytic Reduction Systems on Reducing Gaseous Emissions from an Engine Using Diesel and Biodiesel Blends
† Environmental Engineering Department, Federal University of Paraná, Curitiba, Paraná 81531-980, Brazil ‡ Mathematics Department, Federal University of Technology— Paraná, Ponta Grossa, Paraná ...