Abstract The emergence of SARS-CoV-2 variants that are more resistant to antibody-mediated neutralization pose a new hurdle in combating the COVID-19 pandemic.Although vaccines based on the original Wuhan sequence have been shown to be effective at preventing COVID-19, their efficacy is likely to be decreased against more neutralization-resistant v
This experimental study investigates the effect of steatite and fly ash Bottle Lamp Couple Card on the fresh and hardened properties of self-compacting concrete (SCC).Accordingly, ordinary Portland cement (53 grade) was replaced with various fractions of fly ash (10% and 20%) and with various percentages (5%, 10%, 15%, 20%, and 25%) of steatite by
Neuropsychology is an academic discipline that investigates the intricate interplay between the brain, mind, and behavior.It accomplishes this by examining the underlying structure and activities of the brain, with a particular focus French Door Latch on psychological phenomena such as language, motivation, memory, attention, thinking, consciousnes
This work provides the first revision and illustration of the type material of the ammonite species Parahoplites abichi Anthula [Type species of Protacanthoplites Tovbina] and Parahoplites aschiltaensis Anthula [Type species of Acanthohoplites Jackets/Outerwear Sinzow] from the upper Aptian (Lower Cretaceous) of Dagestan, Russia.The close affinitie
Abstract Tri-level optimization problems are optimization problems with three nested hierarchical structures, where in most cases conflicting objectives are set at each level of hierarchy.Such problems are common in management, engineering designs and in decision making situations in general, and are known to be strongly NP-hard.Existing solution m