Natural and cross ventilation is recognized as an important measure for introducing outdoor fresh air to indoor without the use of mechanical equipment.Plenty of fruitful studies for elucidating natural and cross ventilation mechanisms have been reported adopting experimental and computational methods.Field and wind tunnel experiments could provide
In order to study the influence of the torsional mode, bending mode and umbrella mode of the wheelsets on the vehicle curvepassingperformance, the vehicle-track system dynamics models were established, in which, the wheelsets structures were considered as rigidbody and flexible body respectively.The curve-passing performance of the vehicle was asse
ABSTRACT Coronavirus disease 2019 (COVID-19) has wreaked havoc across the globe; although the number of cases in Africa remains lower than in other regions, it is on a gradual upward trajectory.To date, COVID-19 cases have been reported in 54 out of 55 African countries.However, due to limited severe acute respiratory syndrome coronavirus 2 (SARS-C
Introduction.The article considers to the features of pottery and brings the results of the research of pottery technology which was common on the territory of Mordovia.An in-depth, systematically organized culturological approach to the study of artistic ceramics and ancient ornaments on pottery allows the author to study a wide range of issues of