Improving total factor productivity (TFP) is the source of power for high-quality development.Industrial structure optimization is an important way to improve TFP.This paper constructed an econometric model of industry structure changes impacting on TFP in the marine fisheries and conducted an empirical test and analysis.The results showed that the
The efficiency of twelve 10 m3 geomembrane biodigesters to treat swine and cattle residuals was assessed.The study took place at the Cooperative of Credits and Services (CCS) of the municipality of Cumanayagua, Cienfuegos, Cuba.Its goal was to evaluate feasibility of technology implementation in hats Cuba.The effluent physical and chemical indicato
The aim of this study was to evaluate the effect of Na-EDTA and NaOCl in mineral contents in root dentine using SEM and EDS.Material and method: Twenty-two specimens of the middle radicular third obtained from human first molars, extracted for orthodontic reasons, were examined.Specimens were polished and divided into Toilet Brush four groups.The f
Background & purpose.Research indicates a positive relationship between sharing alcohol references on social media and drinking behavior.The current study extends that line of research by assessing the interaction of risk-related personality traits with alcohol-related social media use, to examine if social media can be used to identify individuals