Continuous environmental degradation, volatility in the oil market, and unimpressive functioning of fossil-based (FB) fuels in compression ignition engines have expanded the tempo of the search for alternative fuels.Due to the astronomical rise in global population, improved agricultural, commercial, and manufacturing activities, enhanced farming a
Abstract Background and introduction Information about optimal use of heparin in flush fluids during endovascular thrombectomy (EVT) for acute ischemic stroke (AIS) is lacking.Variables that determine total heparin dose entering the patient by flush fluids are mostly unknown.We aim to provide insight in these unknown but highly relevant variables.M
This study investigates the problem of asymptotic stabilization of underactuated surface vehicles (USVs) in the presence of simultaneous matched and mismatched disturbances.Within the framework of back-stepping control and by introducing a periodic term in the control laws of virtual yaw angle and surge velocity, a control design method is develope
The Sternarchellini (Gymnotiformes, Apteronotidae) is a clade of 10 electric fish species that inhabit deep river channels of the Amazon and Orinoco basins, attain moderate adult body sizes (15-50 cm TL), Video Recorder and have a predatory life style.Here we trace the evolutionary origin and diversification of Sternarchellini using standard phylog