The article considers, taking into account the historical background, the circumstances and reasons for the resettlement of representatives of the Wallachian family of Corbea to Ukraine-Hetmanate.Special Jar attention is paid to the diplomatic activities of the brothers David and Feodor Corbea, and in particular to the new career opportunities of F
Introduction.Double orifice mitrol valve (DOMV) is a very rare congenital heart defect.Case report.We reported 20-year-old male referred to our center due to evaluation of his cardiologic status.He was operated on shortly after birth for a tracheoesophageal fistula.Accidentally, echocardiography examination at the age of 4 years revealed double ori
On-board state estimation is a persistent challenge to fielding unmanned aerial systems (UAS), particularly when global positioning system (GPS) measurements are not available.The dominant estimation tool remains the extended Kalman filter (EKF) applied to an inertial measurement unit (IMU).The growing availability of low-cost Filters commercial-gr
Leveraging nationally representative survey data on 443,680 respondents Pouch from January to March 2021, this study examines the temporal, spatial, and sociodemographic variations in COVID-19 vaccine hesitancy in the U.S.Findings reveal multidimensional determinants of vaccination intentions involving confidence, complacency, and circumspection fa
Water inrush is one of the most frequent and catastrophic hazards in tunnel engineering, and poses serious threats to the safety of engineering and personnel.This paper presents a case study of a water inrush and ground collapse in the Qingdao Metro Line 4, which caused a cave-in with the diameter and depth of about 30 m and 6 m, respectively.Based