Results 51 to 60 of about 3,181 (120)

Luminescence of Tb3+ and Eu3+ Single‐Doped and Double‐Doped LiSrVO4 Phosphors

open access: yesphysica status solidi (b), Volume 263, Issue 1, January 2026.
Typical emissions of Tb3+ and Eu3+ ions and the energy transfer mechanism from Tb3+ to Eu3+ are observed when excited at 345 nm. The emission intensity of Tb3+, Eu3+‐doped LiSrVO4 is enhanced by Eu doping. The CIE coordinates of the phosphors can be tuned from orange to red by changing the Eu doping.
Sabrinna M. Oliveira   +7 more
wiley   +1 more source

As margens da alegria: modernidade e desgosto em Guimarães Rosa

open access: yesViso
O artigo analisa o conto “As margens da alegria”, publicado no livro Primeiras estórias, de Guimarães Rosa, através da chave da crítica da modernidade.
Henry Burnett
doaj   +1 more source

A Century of Drought Research (1900–2023): Scientific Developments, Methodological Innovations, and Emerging Frontiers

open access: yesWater Resources Research, Volume 62, Issue 1, January 2026.
Abstract Drought significantly affects water resources, agriculture, energy, and ecosystems, revealing enduring socio‐economic vulnerabilities over the centuries. This review synthesizes a century of development and recent advances in drought research (1900–2023), drawing on a bibliometric analysis of over 152,000 peer‐reviewed publications. The review
Amitesh Sabut, Ashok Mishra
wiley   +1 more source

Beer Production With Umbu (Spondias tuberosa) Using Conventional and Nonconventional Yeast

open access: yesJournal of Food Science, Volume 91, Issue 1, January 2026.
ABSTRACT This study evaluated the fermentation performance and bioactive properties of beers produced by Pichia kluyveri L131 and commercial Saccharomyces pastorianus, individually and in coculture, in wort enriched with umbu pulp. Fermentation profiles were assessed over 12 days, focusing on yeast population dynamics, carbohydrate consumption, and ...
Diego Pádua de Almeida   +10 more
wiley   +1 more source

BIOMASS AND MICROBIAL ACTIVITY IN SOILS UNDER DIFFERENT CROPPING SYSTEMS IN THE SÃO FRANCISCO VALLEY

open access: yesRevista de Agricultura Neotropical
The inadequate management of the soil can intensify the degradation and change the soil structure, providing a significant increase in gas emission, affecting mainly the dynamics of CO2emission, besides favoring the increase of the mineralization rate ...
Kathianne Rodrigues de Souza   +5 more
doaj   +1 more source

Dassanta

open access: yesOuvirOUver, 2018
O texto DASSANTA foi escrito por Solange Dias em 1997 dentro do “Núcleo dos 10”, grupo de dramaturgos coordenado por Luis Alberto de Abreu , tendo como inspiração o sertão cantado e contado pelo compositor e músico baiano Elomar Figueira Melo.
Solange Dias
doaj   +1 more source

O Combate da Arquidiocese da Bahia contra Antônio Conselheiro e seus Adeptos – uma Exigência de Autoridade 1876-1897

open access: yesRevista Binacional Brasil - Argentina, 2017
O presente artigo analisa a perseguição movida pelo governo da Arquidiocese da Bahia contra Antônio Conselheiro e seus adeptos, nos sertões baianos e de Sergipe, entre os anos de 1876-1897.
Leandro Aquino Wanderlei
doaj  

Narrativas de estrada e o sertão na literatura e no cinema brasileiros contemporâneos

open access: yesVeredas, 2019
Este trabalho realiza uma reflexão em torno da representação do sertão em Viajo porque preciso, volto porque te amo, filme de Marcelo Gomes e Karim Aïnouz, e no conto "Milagre em Juazeiro", de Ronaldo Correia de Brito.
Juliana Santini
doaj   +1 more source

Os jesuítas e os índios Gessaruçus nos sertões do Rio de Janeiro, séc. XVII e XVIII

open access: yesCaminhos da História, 2014
Este texto procura demonstrar as diferentes relações travadas entre os padres da Companhia de Jesus com os colonos e com os índios que viviam nos sertões da capitania do Rio de Janeiro.
Marcia Amantino
doaj  

Ulysses in the Sertão: a dialogue between “O Recado do Morro” and “Pé-duro, Chapéu de coro”.

open access: yesTravessias, 2017
This essay aims, firstly, to comment on the similarities and distances between Guimarães Rosa, Euclides da Cunha and José de Alencar with regard to the representation of the “vaqueiro” figure in their literary works and, secondly, to show how Pedro ...
Patrícia Isabel Martinho Ferreira
doaj  

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