Results 61 to 70 of about 453,486 (216)

Extraction of γ-oryzanol from rice bran Extração de γ-oryzanol de farelo de arroz

open access: yesCiência e Agrotecnologia, 2012
γ-oryzanol, a phytochemical, has antioxidant activities and potential health benefits. In this study, we aimed to develop a method for extracting high amounts of γ-oryzanol from rice bran and for verifying its stability in different solvents ...
Renata Heidtmann-Bemvenuti   +2 more
doaj   +1 more source

DE ANDRONOV A PEIXOTO: A NOÇÃO DE ESTABILIDADE ESTRUTURAL E AS PRIMEIRAS MOTIVAÇÕES DA ESCOLA BRASILEIRA DE SISTEMAS DINÂMICOS

open access: yesRevista Brasileira de História da Matemática, 2020
Abordamos, neste artigo, o período da história da Teoria dos Sistemas Dinâmicos que vai de meados dos anos 1930 ao início dos anos 1960, procurando investigar a gênese de conceitos e ferramentas que participaram da constituição deste novo domínio da ...
Tatiana Roque
doaj   +1 more source

Adaptabilidade e estabilidade de cultivares de milho na zona agreste do nordeste brasileiro. [PDF]

open access: yes, 2012
Realizou-se este trabalho visando conhecer a adaptabilidade e a estabilidade de diversas cultivares de milho quando submetidas a distintas condições ambientais do agreste ...
CARDOSO, M. J.   +5 more
core  

Understanding multiple pathways of the impacts of socio‐economic shocks on large carnivores

open access: yesPeople and Nature, Volume 7, Issue 11, Page 3104-3125, November 2025.
Abstract Large carnivores are ecologically, economically and socially important, but they are also among the most threatened species worldwide. These species face numerous threats, most importantly habitat transformation, prey depletion and hunting.
Ranjini Murali   +17 more
wiley   +1 more source

Landscape and crop diversity contributes to greater yield stability

open access: yesJournal of Applied Ecology, Volume 62, Issue 11, Page 3092-3104, November 2025.
These findings underscore the importance of promoting crop diversity and maintaining heterogeneous agricultural landscapes, particularly in pollinator‐dependent crops. Promoting diverse agricultural landscapes with balanced heterogeneity can enhance the resilience of agricultural systems to climate change and contribute to long‐term food security ...
Estefania Tobajas   +2 more
wiley   +1 more source

Thermal decomposition of torrefied and carbonized briquettes of residues from coffee grain processing Decomposição térmica de briquetes torrificados e carbonizados de resíduos do processamento dos grãos de café

open access: yesCiência e Agrotecnologia, 2013
The use of biomass has been recognized as a potential renewable energy and an alternative substitute that contributes to the decrease of fossil fuels consumption.
Thiago de Paula Protásio   +4 more
doaj  

Factor analysis and SREG GGE biplot for the genotype × environment interaction stratification in maize Análise de fatores e SREG GGE biplot para a estratificação da interação genótipos × ambientes em milho

open access: yesCiência Rural, 2010
The objective of this study was to evaluate the use of SREG GGE biplot methodology and factor analysis to stratify the genotype×environment interaction in maize. Forty-nine early maize hybrids were evaluated in nine environments.
Roberto Fritsche-Neto   +3 more
doaj   +1 more source

Anéis de Ferrara: - 4 Anos Depois [PDF]

open access: yes, 2010
Os anéis intraestromais, nomeadamente o anel de Ferrara, constitui uma importante opção terapêutica das doenças ectásicas da córnea, de origem não inflamatória como o Queratocone.
Alves, N   +6 more
core  

Almost Seven Decades of Coastal Bird Community Recovery Across Three European Seas

open access: yesGlobal Change Biology, Volume 31, Issue 11, November 2025.
Our study examined long‐term trends in coastal bird communities across three European seas from 1957 to 2024. We found that bird abundance and diversity have increased over time, although these improvements vary among regions and sites. Protected areas—particularly strictly protected ones—play an important role in supporting these recoveries, but ...
Carlos Cano‐Barbacil   +10 more
wiley   +1 more source

Confiabilidade da medida da dilatação fluxo-mediada da artéria braquial pela ultra-sonografia Reliability of brachial artery flow-mediated dilatation measurement using ultrasound

open access: yesArquivos Brasileiros de Cardiologia, 2007
OBJETIVO: Determinar a confiabilidade das medidas dos diâmetros basal (DBAB) e pós-oclusão (DPOAB) da artéria braquial e da dilatação fluxo-mediada da artéria braquial (DILA), assim como quantificar o erro típico dessas medidas (ETM).
Cláudia de Mello Meirelles   +3 more
doaj   +1 more source

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