Results 61 to 70 of about 164,566 (237)

Demographic Parameters of Iberian Killer Whales Between 2011 and 2023

open access: yesMarine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT The Iberian killer whale subpopulation was assessed as critically endangered (CR) by the IUCN red list of threatened species based on the available information until 2011 on its low abundance, high newborn mortality, and dependency on the endangered Atlantic bluefin tuna.
Ruth Esteban   +32 more
wiley   +1 more source

Beyond Oxygen Fugacity: A Compositional Metric to Probe Earth's Redox Structure

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract We quantify the redox capacity (dO2) by redox titration—defined as the quantity of oxygen required to fully oxidize a sample—for rocks spanning Earth's upper mantle to surface sediments. The values span three orders of magnitude, with the greatest variability in metamorphic and surface rocks that host both highly reduced (rich in carbon and ...
Matthieu Emmanuel Galvez   +2 more
wiley   +1 more source

El estudio de las armas en el siglo XVIII: La Real Academia de la Historia y el hallazgo de una espada renacentista en Peñafiel

open access: yesGladius, 2001
En 1751 el rey Fernando VI solicitó a la Real Academia de la Historia un informe sobre el hallazgo fortuito de una espada renacentista en Peñafiel (Valladolid).
Álvaro Soler del Campo
doaj   +1 more source

La cruz y la espada. Vida cotidiana de las Órdenes militares españolas. [Reseña] [PDF]

open access: yes, 2004
Reseña de: Gonzalo MARTÍNEZ DÍEZ, La cruz y la espada.
Alonso-de-Diego, M. (Mercedes)
core  

Mateu Alejadro, Joaquín José (2009): Las teorías lexicográficas de Vicente Salvá en el Nuevo Diccionario de la Lengua Castellana, Valencia, Brosquil, 2009 [Reseña] [PDF]

open access: yes, 2011
[Resumen] Reseña de Mateu Alejadro, Joaquín José (2009): Las teorías lexicográficas de Vicente Salvá en el Nuevo Diccionario de la Lengua Castellana, Valencia ...
Espada Rodríguez, Julián
core   +2 more sources

Chemical Composition, Leishmanicidal and Cytotoxic Activities of the Essential Oils from Mangifera indica L. var. Rosa and Espada

open access: yesBioMed Research International, 2014
The essential oils from Mangifera indica var. Rosa and Espada latex were obtained by hydrodistillation and analyzed using GC-FID and GC-MS. Twenty-seven components were identified. The main compound in the essential oil from M. indica var. Espada (EOMiE)
E. H. S. Ramos   +7 more
semanticscholar   +1 more source

Comentarios al Caballero de la espada

open access: yesMedievalia, 2016
Comentarios al Caballero de la ...
Juan Galván Paulín
doaj   +3 more sources

¿Hacia dónde va la Universidad? [PDF]

open access: yes, 2015
Recientemente, se ha definido la Universidad como una institución autónoma que, de modo crítico, produce y transmite la cultura por medio de la investigación y la enseñanza cuya práctica se basa en los valores de independencia moral y científica frente
Espada Recarey, Luis
core   +2 more sources

Language as “Resource”? Why Science Education's Raciolinguistic Histories Matter Today

open access: yesJournal of Research in Science Teaching, Volume 62, Issue 10, Page 2169-2189, December 2025.
ABSTRACT Our study explores how US science education has evaluated multilingual students' languages as deficits and/or assets by comparing them against normative ideals. As a raciolinguistic genealogy, the study situates current premises of language in science education (e.g., as problem versus resource) within epistemological practices shaping the ...
Kathryn L. Kirchgasler, Diego Román
wiley   +1 more source

Una sepultura con armas de baja época ibérica (o época romana republicana) en la necrópolis del «Cerro de las Balas» (Écija, Sevilla)

open access: yesGladius, 2000
Las armas de época ibérica son rarísimas en Andalucía Occidental, en buena parte debido a la práctica ausencia de necrópolis, que es donde las armas se han documentado en mayor número durante toda la Edad del Hierro peninsular.
Esther Núñez Pariente de León   +1 more
doaj   +1 more source

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