Results 61 to 70 of about 63,472 (218)

Climate change and adaptive strategies in Brazil: the economic effects of genetic breeding

open access: yesRevista de Economia e Sociologia Rural, 2014
Plant breeding through the development of seeds resistant to water stress or high temperature is an important adaptive strategy to cope climate change.
Marcel Viana Pires   +1 more
doaj   +1 more source

Breeding in natural nesting sites can improve the resilience of local Lesser Kestrel (Falco naumanni) populations to environmental changes

open access: yesIbis, Volume 168, Issue 2, Page 465-478, April 2026.
The identification of key habitats of threatened species and of extrinsic environmental factors that influence their resilience to human‐induced environmental changes are the foundation for the definition of conservation objectives. Using the presence and numerical abundance data collected in a long‐term survey (2000–24) of breeding colonies of Lesser ...
Maurizio Sarà, Rosario Mascara
wiley   +1 more source

Diferença entre temperatura e calor 2 [PDF]

open access: yes, 2016
Noções de calor e temperaturaO experimento permite ao aluno entender a diferença entre calor de temperatura. Coloca-se a mesma quantidade de gelo em 2 recipientes com quantidades diferentes de água.
Lavarda, Francisco Carlos
core   +2 more sources

Análise das Habilidades e Atitudes na Aprendizagem Significativa Crítica de Fenômenos Físicos no Contexto das Séries Iniciais

open access: yesCiência & Educação
Resumo: Este trabalho apresenta resultados parciais de uma pesquisa de doutorado em andamento realizada nas séries iniciais cujo propósito é analisar o desempenho dos estudantes quanto às habilidades e atitudes desenvolvidas durante o estudo do conceito ...
Arthur Philipe Cândido Magalhães   +2 more
doaj   +1 more source

Canalized to heat, plastic to cold: adaptive coordination of leaf and seed strategies in populations spanning an elevational gradient

open access: yesNew Phytologist, Volume 250, Issue 2, Page 873-884, April 2026.
Summary In tropical mountains, surviving temperature extremes demands finely tuned strategies. We investigated how populations of the bromeliad Pitcairnia flammea across a 2200 m elevational gradient balance genetic canalization and plasticity, and whether thermal strategies are coordinated between seeds and leaves.
Cleber J. N. Chaves   +17 more
wiley   +1 more source

Determinação numerica e experimental de coeficientes locais de transferencia de calor em difusões radiais [PDF]

open access: yes, 1990
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro TecnologicoO estudo da transferência de calor em difusores radiais com alimentação axial, mostrou em trabalho recente a presença de grandes divergências entre resultados numéricos e ...
Pilichi, Claudio David Munoz
core  

Efeitos da temperatura e da umidade relativa sobre o desempenho e o rendimento de cortes nobres de frangos de corte de 1 a 49 dias de idade Effects of temperature and relative humidity on performance and yield of noble cuts of broilers from 1 to 49 days old

open access: yesRevista Brasileira de Zootecnia, 2006
Foram utilizados 180 pintos machos de 1 dia de idade, da linhagem Ross (peso inicial 43,0 ± 0,2 g) para avaliação dos efeitos de diferentes ambientes sobre o desempenho e as características de carcaça.
Rita Flávia Miranda de Oliveira   +5 more
doaj   +1 more source

Temperature Influence of the Molar Excess Volume for Polyalkylene Glycol–Water Lubricants Systems

open access: yesChemical Engineering &Technology, Volume 49, Issue 3, March 2026.
Understanding how water alters volumetric behavior in advanced lubricants is essential for future energy systems. This study demonstrates how temperature and pressure govern the molecular interactions in a PAG–water lubricant mixture, explains the transition from compact molecular packing to expansion, and highlights important implications for ...
Matthis Richter   +5 more
wiley   +1 more source

Transmisión de calor [PDF]

open access: yes, 2017
Material docente del tema "Transmisión de calor": Mecanismos de conducción, convección y radiación ...
Ruiz Padillo, Diego Pablo
core  

UV light pan traps for collecting aquatic insects

open access: yesEntomoBrasilis, 2012
A simple, inexpensive light trap is described for collecting night-flying insects. The components for constructing the light trap are described and the advantages and disadvantages for collecting different taxa of aquatic insects are discussed. Armadilha
Adolfo Calor, Rodolfo Mariano
doaj   +3 more sources

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