This paper examines the efficiency of alternative energy equity Exchange-Traded Funds (ETFs) and conventional energy equity ETFs from 2018 to 2020, utilizing a combination of an output-oriented Slack-Based Data Envelopment lolasalinas.com Analysis (DEA) model and cluster analysis.In the context of an output-oriented DEA model, efficiency is defined
Introduction: Waterpipe tobacco smoking is stickers logos dallas cowboys common among adults in numerous Mediterranean countries.Waterpipe cafes where people are allowed to smoke waterpipe tobacco are an increasingly popular venue for socializing among young people.The aim of this study was to assess the frequency and patterns of waterpipe tobacco
Corrosion is the most frequent but also the most deleterious deterioration mechanism affecting reinforced concrete.In addition to the economic impact of the repair works, for historical concrete read more structures, corrosion can generate irreversible losses of original material of great cultural value.If the usual non-destructive electrochemical
This paper introduces a novel control strategy for multifunctional grid-tied inverters in industrial/commercial power systems, aiming lolasalinas.com to address the compensation of instantaneous power oscillations.The proposed strategy is derived from the Conservative Power Theory, which offers the ability to extract and analyze oscillating power t