In this study, calcined eggshell powder was used as low-cost adsorbent to remove copper (II) ion from aqueous solution by adsorption. Effects of operational parameters such as contact time, adsorbent …
THE ECONOMIC COST OF COVID LOCKDOWNS: AN OUT-OF-EQUILIBRIUM ANALYSIS
Abstract This paper estimates the cost of the lockdown of some sectors of the world economy in the wake of COVID-19. We develop a multi sector disequilibrium model with buyer-seller relations …
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