Results 41 to 50 of about 283,569 (225)

Hormigones elaborados con distintos tipos de agregado expuestos a altas temperaturas [PDF]

, 1999
En este trabajo se presentan los resultados obtenidos en experiencias realizadas sobre hormigones elaborados con matrices de similares características y diferente tipo de agregado grueso, expuestos a altas temperaturas (500 y 700 °C) y enfriados bajo ...
Barragán, Bryan, Di Maio, Ángel, Giaccio, Graciela Marta, Traversa, Luis Pascual, Zerbino, Raúl   +4 more
core  

Grazing and climate interact to regulate greening trends in Mediterranean grasslands

Journal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our results show that traditional grazing systems can maintain grassland stability without causing degradation, but they can also increase the ecosystem's vulnerability to climate change. We provide clear evidence that GPS‐based livestock monitoring is a powerful and scalable tool for sustainable rangeland management.
Marina Rincon‐Madroñero, Jose Antonio Sánchez‐Zapata, Jon Morant, Jomar M. Barbosa   +3 more
wiley   +1 more source

O efeito das altas temperaturas nas propriedades mecânicas residuais do betão [PDF]

, 2011
Este artigo apresenta os resultados dum estudo experimental para determinação das propriedades mecânicas residuais após incêndio de betões de agregados calcários e graníticos.
Rodrigues, João Paulo C., Santos, C.C.
core  

The Miners of South America: Impacts of Climate Change on the Distribution of Geositta Miners Along Elevational Gradients

Biotropica, Volume 58, Issue 1, January 2026.
We modeled the current and future distributions of seven Geositta species along elevational gradients in South America under two climate change scenarios. Our results show that most species are projected to lose suitable habitats, particularly under the high‐emission scenario, with distinct responses between lowland and highland taxa.
Ricardo C. Meireles, Leonardo E. Lopes, Gustavo R. Brito, Ricardo Solar   +3 more
wiley   +1 more source

Medición precisa de temperaturas altas y emisividad espectral normal en metales [PDF]

, 2019
Se presentan los detalles de un método experimental para efectuar mediciones precisas de altas temperaturas y de la emisividad espectral normal de metales.
Moraga B., Nelson
core   +1 more source

Estado da arte da cromatografia gasosa de alta resolução e alta temperatura [PDF]

Química Nova, 2000
The developments in stationary phase synthesis and capillary column technology, have opened new perspectives in analysis of high molecular mass compounds (³600 daltons) and thermolabile organic compounds by High Temperature High Resolution Gas Chromatography (HT-HRGC).
Pereira, Alberto dos Santos, Aquino Neto, Francisco Radler de   +1 more
openaire   +2 more sources

Exploring the Effects of Ultrasound Processing on Food Packaging Laminated With Aluminum Foil

Polymer Engineering &Science, Volume 65, Issue 12, Page 7136-7147, December 2025.
ABSTRACT This study investigates the effects of ultrasound (US) processing on laminated plastic packaging containing aluminum foil for food contact applications. Two multilayer structures, PET/Al/PE and PET/Al/PP, were exposed to US at 25 kHz and 8.75 W/L for up to 40 min at 25°C and 60°C, using a 3% acetic acid as a food simulant.
Matheus Morandi de Almeida, Nanci Castanha, Paula Fernanda Janetti Bócoli, Paulo Henrique Massaharu Kiyataka, Beatriz Maria Curtio Soares, Pedro Esteves Duarte Augusto, Fiorella Balardin Hellmeister Dantas, Luís Marangoni Júnior   +7 more
wiley   +1 more source

Mejoramiento genético para tolerancia a altas temperaturas y resistencia a mosaico dorado en frijol común

Agronomía Mesoamericana, 2000
Mejoramiento genético para tolerancia a altas temperaturas y resistencia a mosaico dorado en frijol común. Entre 1994-95 se identificaron fuentes de frijol tolerantes a altas temperaturas mediante la evaluación de germoplasma y líneas mejoradas en ...
Juan Carlos Rosas, Aracely Castro, James S. Beaver, Carlos A. P\u00E9rez, Adri\u00E1n Morales, Rogelio Lepiz   +5 more
doaj  

La reproducción de la vaca se afecta por las altas temperaturas ambientales

Revista U.D.C.A Actualidad & Divulgación Científica, 2010
Se presenta una revisión crítica pertinente a los principales efectos de altas temperaturas sobre la fisiología reproductiva de la vaca, para resaltar la importancia económica y científica de su adaptación a las condiciones tropicales, en contraste con ...
Agustín Góngora, Aureliano Hernández
doaj   +1 more source

Microclimate refugia shape microclimatic niches and predict individual variability in post‐breeding migration in a partially migratory species

Journal of Animal Ecology, Volume 94, Issue 12, Page 2527-2541, December 2025.
The niche is characterized along a gradient of temperature and microclimate refugia. Individuals in breeding areas with low microclimate refugia availability are more likely to cover larger distances to post‐breeding areas, increasing exposure to risks.
Rita F. Ramos, Karolina Zalewska, James J. Gilroy, João P. Silva, Aldina M. A. Franco   +4 more
wiley   +1 more source