Properties of plasmas that constitute the plasma sheet in the near-Earth magnetotail vary according to the solar wind conditions and location in the tail.In this case study, we present multi-spacecraft observations by Cluster that show a transition of plasma sheet from cold, dense to hot, tenuous state.The transition was associated with the passage
For the Japan Sodium-cooled Fast Reactor, an experimental study on the fluctuating pressure of the click here hot legs was carried out with tests using a 1/3-scale model.The total resistance coefficient is consistent with the published data, and our research has given some additional data up to the Reynolds number of 8.0x106.The flow pattern in the
Disposable facemasks are a primary tool to prevent the transmission of SARS-COV-2 during the COVID-19 pandemic.However, plastic waste generated from their disposal represents a significant environmental problem that can be reduced by maximizing the service life of disposable masks.We evaluated the effect of tillman 750m repeated wearing on the fitt
BackgroundThe COVID-19 pandemic has increased online purchases and heightened interest in existing treatments.Dexamethasone, hydroxychloroquine, and lopinavir-ritonavir have been touted as potential COVID-19 treatments.ObjectiveThis study assessed the availability of 3 potential COVID-19 treatments online and evaluated the safety and marketing char