Results 141 to 150 of about 439,396 (250)

Estrategia para la recuperación hidráulica del río Sevilla entre las abscisas k7+951.94 y k17+086.63 (desde la C.G.S.M), como aporte al restablecimiento de la dinámica hidrológica de la ciénaga grande de Santa Marta [PDF]

open access: yes, 2018
Gestión Integral del Recurso HídricoSe parte del análisis actual del sector a intervenir del río mirando sus características hidrológicas, hidráulicas y ambientales desde los sectores y municipios cercanos al cual influyen la sección del río y la ciénaga
Buchar-Vengoechea, Angélica María   +3 more
core  

Efficacy of a Multicomponent Intervention for Frailty or Physical Function in Prefrail or Frail Older Adults: FRAILMERIT Multicenter Clinical Trial

open access: yesJournal of the American Geriatrics Society, Volume 74, Issue 3, Page 658-668, March 2026.
Clinical management of the older adult. ABSTRACT Objectives Frailty is a common condition in community‐dwelling older adults with high health and socioeconomic implications. However, primary care‐led randomized trials have been scarcely tested. Design Multicenter cluster randomized clinical trial.
Adriana Abizanda Saro   +86 more
wiley   +1 more source

Preparação e caracterização de fibras e nanotubos de BiFeO3 e FeNbO4 [PDF]

open access: yes, 2015
Mestrado em Engenharia FísicaEsta dissertação teve como objetivo a produção e caracterização física de fibras e nanotubos de BiFeO3 e FeNbO4. Para o desenvolvimento destes materiais utilizou-se a técnica de fusão com laser (LFZ), o método sol-gel ...
Peixoto, Marina Manuela Vieira
core  

Astrocyte Bioenergetic Remodeling as a Central Trait of Disrupted Glucocorticoid Signaling: Mechanisms and Implications for Stress Vulnerability

open access: yesJournal of Neurochemistry, Volume 170, Issue 3, March 2026.
Low/brief glucocorticoid (GC) elevations can enhance mitochondrial output (↑ oxygen consumption rate, OCR; ↑ mitochondrial membrane potential, ΔΨm) and Ca2+ buffering, in part via glucocorticoid receptor (GR) trafficking to mitochondria in complexes with Bcl2 and Bag1.
Paweł Hanus   +2 more
wiley   +1 more source

Aspectos geométricos y sedimentológicos en la Playa de Cabañas [PDF]

open access: yes, 1982
[Resumen] El estudio es una aproximación a los procesos actuales que afectan a la playa, por medio del análisis geométrico, tanto en las variaciones en perfiles transversales realizagos en dos épocas distinas y representativas ,del año, cerno -en su ...
Asensio Amor, I., Grajal Blanco, Mariano
core   +1 more source

When AI Becomes an Agent of the Firm: Examining the Evolution of AI in Organizations Through an Agency Theory Lens

open access: yesJournal of Management Studies, Volume 63, Issue 2, Page 668-694, March 2026.
Abstract Our work begins with the premise that the integration of artificial intelligence (AI) into firm decision making parallels the emergence of the professional manager, which prompted the birth of agency theory. We examine the evolution of AI through an agency theory lens, considering how the nature of firm control and decision rights change as AI
Beth K. Humberd, Scott F. Latham
wiley   +1 more source

Inspección y evaluación de la socavación en cimentaciones de puentes y establecimiento de medidas de protección contra este fenomeno [PDF]

open access: yes, 2013
El presente trabajo de investigación tiene por propósito tratar acerca de la inspección y evaluación de la socavación en las cimentaciones dedos puentes; el primero que se encuentra ubicado en la Av.
Alomía Castro, Diego Sebastián   +1 more
core  

Quantitative Choroid Plexus Gadolinium Enhancement Is Related to Diffuse Brain Tissue Injury in Multiple Sclerosis

open access: yesJournal of Neuroimaging, Volume 36, Issue 2, March/April 2026.
ABSTRACT Background Recent studies suggest that disruptions of the blood–cerebrospinal fluid (CSF) barrier within the choroid plexus (ChP) may contribute to multiple sclerosis (MS) pathogenesis. We investigated the relationship between a quantitative marker of ChP enhancement and markers of focal and diffuse brain tissue injury in MS.
Sneha Senthil   +10 more
wiley   +1 more source

Identification of a novel link connecting indole‐3‐acetamide with abscisic acid biosynthesis and signaling

open access: yesNew Phytologist, Volume 249, Issue 5, Page 2452-2466, March 2026.
Summary Plants orchestrate their developmental processes and responses to environmental stimuli through a sophisticated network of small signaling molecules, termed phytohormones. Among these, auxins are recognized for their role in promoting plant growth.
José Moya‐Cuevas   +8 more
wiley   +1 more source

O Complexo Máfico-Ultramáfico Jurema: descoberta de corpo mineralizado em Fe-Ti ± V ± Co em Betânia, Pernambuco, Zona Transversal, Província Borborema [PDF]

open access: yesInforme Técnico CPRM, 2016
Felipe Lima   +7 more
openaire   +1 more source

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