Results 61 to 70 of about 1,246,049 (218)

Classification, characterisation and strategies for improvement of cattle and sheep pasture systems in marginal areas of Southern Chile [PDF]

open access: yes, 2018
Pasture-based livestock systems in farms with medium or low size are especially important in less favored areas and are valuable for society. For these systems to survive, it is necessary to obtain an acceptable level of productivity and ensure ...
Avilez, J. P.   +5 more
core   +4 more sources

Ressenyes [PDF]

open access: yes, 2011
Obra ressenyada: Eduardo SÁNCHEZ MORENO ; Adolfo J. DOMÍNGUEZ MONEDERO ; Joaquín L. GÓMEZ PANTOJA, Protohistoria y antigüedad de la península Ibérica. Volumen I: Las fuentes y la Iberia colonial. Volumen II: La Iberia prerromana y la romanidad.
Ñaco del Hoyo, Toni
core  

Hacia la concentración de la cirugía oncológica digestiva: cambios en la activad, las técnicas y los resultados [PDF]

open access: yes, 2017
Objetivo: se examinaron los cambios en actividad, técnicas quirúrgicas y resultados del proceso de concentración de la cirugía oncológica digestiva compleja entre 2005-2012 en relación a 1996-2000.
Borràs Andrés, Josep Maria   +7 more
core   +1 more source

As above, so below: A perspective into the application of land‐forest monitoring methods for the assessment of marine animal forests

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 4, Page 1124-1142, April 2026.
Abstract Marine animal forests (MAFs) are benthic ecosystems dominated by vertically structuring filter‐ and suspension‐feeders. As terrestrial forests, they are considered biodiversity hotspots, forming canopies, serving as a refuge, nursery, reproduction and feeding shelters for many species.
Torcuato Pulido Mantas   +9 more
wiley   +1 more source

Análisis de la persistencia de la volatilidad del futuro sobre el IBEX-35.

open access: yesRect@, 2003
Este trabajo persigue un doble objetivo, por una parte, pretende comprobar si la volatilidad intradía del futuro sobre el IBEX-35, presenta una estructura de componentes, que nos permitiría dividir la misma en un componente transitorio o de corto ...
Quiroga García, Raquel
doaj  

Evaluación del uso de trampa de evaporación en la evaporación en la calibración de pipetas de pistón en volúmenes menores o iguales a 100 µL

open access: yesIngeniería, 2017
El presente documento tiene como objetivo  demostrar la importancia de utilizar trampa de evaporación  durante el proceso de calibración de pipetas de pistón,  específicamente a niveles de microlitros (µL).
Johanna Méndez Arias
doaj   +1 more source

‘Así Somos’: Cuba's Changing Youth Culture in the Magazine Somos Jóvenes

open access: yesBulletin of Latin American Research, Volume 45, Issue 2, April 2026.
ABSTRACT This article analyses the content and discourse of long‐running Cuban youth magazine, Somos Jóvenes, in the periods 1977–1984 and 1989–2003, to better understand the identities, experiences and place within the revolutionary project of two generations of young people.
Anne Luke, Rosi Smith
wiley   +1 more source

Automating the analysis of public saliency and attitudes toward biodiversity from digital media

open access: yesConservation Biology, Volume 40, Issue 2, April 2026.
Abstract Measuring public attitudes toward wildlife provides crucial insights into human relationships with nature and helps monitor progress toward Global Biodiversity Framework targets. Yet, conducting such assessments at a global scale presents challenges.
Noah Giebink   +8 more
wiley   +1 more source

ESTIMACIÓN DE LA INCERTIDUMBRE EN LA CALIBRACIÓN DE UN MATRAZ

open access: yesIngeniería, 2011
Se presenta el desarrollo de un método para la estimación de la incertidumbre aplicado a un matraz volumétrico de 100 cm3, calibrado utilizando el principio gravimétrico.
María Lorena Blanco Rojas   +1 more
doaj   +1 more source

The figure of Ramon Llull (Raimundus Lullus) and the significance of the recent companion volume to his Latin works in the Corpus Christianorum series [PDF]

open access: yes, 2010
The text offered here seeks to present the recent work, Fidora, A.-Rubio, J. E. (eds.), Raimundus Lullus: An Introduction to his Life, Works and Thought, CCCM 214, Turnhout: Brepols 2008, within the dual contexts of Lullian historiography and the history
Hughes, Robert D.
core   +1 more source

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