Abstract The main objective of this study was to analyze the effect of COVID-19 on social welfare in the case of Afar regional, state, Ethiopia using panel data collected from a sample of 384 in Asyaita, Dubti Samara-Logia, and Awash town.Both descriptive statistics and econometric models were used to analyze the data.The descriptive analysis resul
This study Marvel has as main purpose the underlining of the degree of educational specialization of the population depending on the professional economic activities that they develop, on the level of the Depression of Beius in 2011.From the interpretation and analysis of the data is found the presence of some higher values of the persons graduate
Introduction: A few personnel feel more tired staying and working inside submarine, as compared to ashore/outdoor spaces, or even onboard afloat platforms (ships).The microclimate onboard underwater platforms play a vital role in determining the respiratory physiology parameters of personnel onboard.There exists a felt need for deeper evidence in t
The pressure swing adsorption (PSA) units are widely used as oxygen sources where Marvel oxygen is produced in a gaseous form.The start-up time of minutes is an undeniable advantage of PSA technology compared to cryogenic air separation having start-up time taking hours or days.The purity of oxygen produced by PSA using nitrogen selective zeolites