Results 31 to 40 of about 492 (188)

Estudio en el Ecuador de la curva de calibración para el conteo total de bacterias por citometría de flujo de leche cruda bovina

open access: yesLa Granja: Revista de Ciencias de la Vida, 2019
La industria láctea en el Ecuador, en respuesta a la demanda social por productos de calidad, implementa programas de control que exigen una mayor aplicación de análisis de laboratorios.
Rocio Contero   +4 more
doaj   +1 more source

Electrified rhythms: How hydropower infrastructure transforms hydrosocial relations of riverine communities in the Lower Sogamoso River, Colombia

open access: yesPeople and Nature, Volume 8, Issue 3, Page 782-796, March 2026.
Abstract Hydropower dams regulate water flows for millions of downstream inhabitants worldwide, altering water availability. Under a changing climate, flow control is often framed technically and politically as being essential for reducing drought and flood risks. However, it can also disrupt ecological flows, impact livelihoods and erode environmental
Laura Betancur‐Alarcón   +4 more
wiley   +1 more source

Dietary resilience of coral reef fishes to habitat degradation

open access: yesJournal of Animal Ecology, Volume 95, Issue 3, Page 397-417, March 2026.
Metabarcoding of gut contents shows that two common benthic‐feeding reef fishes with different feeding stratgies—a butterflyfish (Chaetodon capistratus) and a hamlet (Hypoplectrus puella)—shift diets on degraded reefs. These shifts mirror contrasting patterns in body condition: butterflyfish showed strong individual variation, whereas condition was ...
Friederike Clever   +9 more
wiley   +1 more source

Validez de la ecuación binómica de Forchheimer en flujo convergente en un medio poroso

open access: yesIngeniería Hidráulica y Ambiental, 2012
El flujo en medios porosos a través de contornos paralelos ha sido ampliamente investigado en las últimas cinco décadas. Pero son pocos los estudios con permeámetros convergentes, menos aún cuando el flujo no sigue la ley de Darcy.
Félix Dilla Salvador   +2 more
doaj  

Patterns of Interploidy Admixture in Polyploid Complexes: Insights From Thymus Sect. Mastichina (Lamiaceae)

open access: yesMolecular Ecology, Volume 35, Issue 3, February 2026.
ABSTRACT Understanding gene flow between ploidy levels in polyploid complexes is essential for species delimitation and conservation. This study explores evolutionary dynamics in the polyploid complex Thymus sect. Mastichina (Lamiaceae), comprising three taxa: T. mastichina subsp. mastichina, T. mastichina subsp.
Francisco José García‐Cárdenas   +7 more
wiley   +1 more source

PRESSURE AND PRESSURE DERIVATIVE ANALYSIS FOR LONG NATURALLY FRACTURED RESERVOIRS USING THE TDS TECHNIQUE

open access: yesDyna, 2010
Normalmente, en una formación heterogénea, el periodo de transición del flujo fracturasmatriz toma lugar durante el flujo radial. Sin embargo, dependiendo del valor del parámetro de flujo interporoso, dicha transición puede ocurrir antes o después del ...
FREDDY H. ESCOBAR   +2 more
doaj  

Modelación del transporte de cobre en la capa límite en una celda de electrodiálisis

open access: yesRevista de Metalurgia, 2004
Se ha desarrollado un modelo semi empírico que permite establecer el transporte de iones cúpricos a través de la capa límite de Nernst generada entre el seno del electrólito y la superficie de la membrana de una celda de electrodiálisis.
J. P. Ibáñez   +3 more
doaj   +1 more source

Key role for inhibins in effective T cell activation, migration and Th17 differentiation

open access: yesFEBS Open Bio, Volume 16, Issue 1, Page 79-89, January 2026.
Activins/inhibins modulate immune responses. Here, we show that inhibins can be produced very early after T cell activation and can act in an autocrine way, favoring Th1 versus Th17 differentiation and CCL19/CCL21 mediated migration. Recombinant inhibin A can restore the Th1/Th17 balance, highlighting the role of inhibins as key regulators of T cell ...
Sandra Ortega‐Francisco   +5 more
wiley   +1 more source

APLICACIÓN DEL MÉTODO DE LATTICE BOLTZMANN A LA SIMULACIÓN DE OBSTRUCCIONES COMPLEJAS FÁCILMENTE PENETRABLES

open access: yesAnales (Asociación Física Argentina), 2013
Se presenta la aplicación del Método de Lattice Boltzmann (LBM) a la simulación de flujos a través deobstrucciones complejas fácilmente penetrables.
N Silin   +4 more
doaj  

Evaluating composted sewage sludge as a phosphorus fertilizer in wheat grown on soils with different properties

open access: yesJournal of Environmental Quality, Volume 55, Issue 1, January/February 2026.
Abstract Urbanization generates significant amounts of sewage sludge (SS), with relatively high concentrations of plant nutrients such as phosphorus (P). When biochemically stabilized by composting, SS (composted sewage sludge [CSW]) can serve as a sustainable P source in agriculture, supporting a circular economy and reducing agriculture's dependence ...
Lucía Guerrero‐Gallardo   +7 more
wiley   +1 more source

Home - About - Disclaimer - Privacy