Background The treatments of COVID-19 involve some degree of uncertainty.Current evidence also shows mixed findings with regards to bioaerosol dispersion and airborne transmission of COVID-19 during high flow nasal cannula (HFNC) therapy.While coping with this global pandemic created hot debates on the use of HFNC, it is important to bring detached
This article is based on archival documents and published sources the role of Economics in Leningrad All-Union economy during the Great Patriotic war was described.It is emphasized that even in the enemy siege the residents of Leningrad have provided the front with everything necessary.There were data on losses of the enterprises of Leningrad durin
BackgroundObsessive-compulsive disorder (OCD) is a debilitating and prevalent anxiety disorder.Although the basal ganglia and frontal cortex are the brain regions that are most commonly hypothesized to be involved in OCD, the exact pathophysiology is unknown.By observing the effects of proven treatments on brain activation levels, the cause of OCD
The input constraints of control surfaces may lead to saturations, which could limit the achievable 5th marine division patch performance or even cause instability of vertical take-off and landing (VTOL) tail-sitter unmanned aerial vehicle (UAV).To improve flight safety and attitude tracking performance, a novel L1 adaptive control architecture for