Results 41 to 50 of about 4,833,390 (382)
Extreme Drought Events over Brazil from 2011 to 2019
Atmosphere, 2019 Drought-related disasters are among the natural disasters that are able to cause large economic and social losses. In recent years, droughts have affected different regions of Brazil, impacting water, food, and energy security. In this study, we used the
A. P. Cunha +13 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.Ni‐base superalloys produced using additive manufacturing (AM) have a different response to heat treatments when compared to their conventional counterparts. Due to such unpredictability, various alloys with industrial interest are currently overlooked in most prior AM research.
Guilherme Maziero Volpato +6 more
wiley +1 more source
Issues and Challenges in Open and Distance e-Learning: Perspectives from the Philippines
International Review of Research in Open and Distributed Learning, 2016 Rapid advances in information and communications technology in the digital age have brought about significant changes in the practice of distance education (DE) worldwide.
Patricia Brazil Arinto
doaj +1 more source
Advanced Engineering Materials, EarlyView.Ag cluster‐modified K0.5Na0.5NbO3 acts as an efficient piezocatalyst for electrochemical N2 reduction, enhanced by built‐in electric fields under mechanical actuation. Comparative studies between static and actuated electrodes reveal improved performance under dynamic conditions.
Benedict Witulski +7 more
wiley +1 more source
O cortiço em três versões: adaptações literárias em sala de aula
Revista Educação e Emancipação, 2020 O artigo resulta de uma dissertação de mestrado que investigou, em uma escola pública de Ensino Fundamental e Médio do município de Guarapari (ES), as relações entre livro, leitor e leitura por meio das contribuições teóricas e metodológicas da Nova ...
Ravena Brazil Vinter
doaj +1 more source
Advanced Functional Materials, EarlyView.Poly(heptazine) imides (PHIs), a crystalline carbon nitride subclass, intercalate metals to deliver high stability, tunable electronics, and efficient charge separation. These features enable solar‐driven applications such as hydrogen evolution, CO₂ reduction, and organic synthesis.
Gabriel A. A. Diab +6 more
wiley +1 more source
The Zika Virus Epidemic in Brazil: From Discovery to Future Implications
International Journal of Environmental Research and Public Health, 2018 The first confirmed case of Zika virus infection in the Americas was reported in Northeast Brazil in May 2015, although phylogenetic studies indicate virus introduction as early as 2013.
R. Lowe +6 more
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida +16 more
wiley +1 more source
Ilha do Desterro, 2008 The so-called 'tag' structures of English have received a lot of attention in language teaching programmes, attention that is not hard to justify when one considers the problems and anxiety they can occasion for many foreign learners.
David Brazil
doaj +2 more sources