Results 231 to 240 of about 2,552,497 (284)

Comparison between the characteristics and outcomes of patients hospitalized for COVID-19 in three waves of the pandemic: a retrospective analysis. [PDF]

open access: yesInfect Dis Poverty
Porto BM   +19 more
europepmc   +1 more source

Simplified analysis of concentrically loaded reinforced concrete columns

open access: yesStructural Concrete, EarlyView.
Abstract Reinforced concrete columns subjected to concentric and eccentric compression loads are typically treated in an identical manner, taking into account both the imperfect shape, creep, and the second order effects, as described for example in fib Model Code 2020 and Eurocode 2.
Lili Eszter Hlavicka‐Laczák   +1 more
wiley   +1 more source

Reassessing Environmental Performance Within ESG Frameworks: Efficiency‐Based Evidence From Multinational Firms

open access: yesThunderbird International Business Review, EarlyView.
ABSTRACT The paper explores the evolving relationship between decarbonization strategies, environmental performance within ESG frameworks, and the economic performance of multinational companies in the context of increasing environmental and geopolitical uncertainty.
Maurizio Pompella, Lorenzo Costantino
wiley   +1 more source

Arc Resistance Enhancement of Converter Transformer Tank Through Structural Improvements: Simulation and Experimental Validation

open access: yesHigh Voltage, EarlyView.
ABSTRACT Currently, limited research exists on the structural response and protection methods of the converter transformer tank for ± 800 kV ultra‐high voltage direct current transmission project to high energy arc faults. This research investigates the dynamic response and the vulnerable areas of the ultra‐high voltage converter transformer under the ...
Ke Wang   +5 more
wiley   +1 more source

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