Results 41 to 50 of about 61,142,439 (178)

Formulación integral del análisis dinámico de materiales transversalmente isótropos [PDF]

open access: yes, 1995
Muchos materiales compuestos pueden ser tratados a nivel macroscópico como medios homogéneos de comportamiento transversalmente isótropo. A su vez, el análisis de problemas dinámicos en medios homogéneos. isótropos o no, clásticolincales puede formularse
Gallego Sevilla, Rafael   +2 more
core  

Neural embedding of frailty in cognitively unimpaired aging and dementia across Latin America

open access: yesAlzheimer's &Dementia, Volume 22, Issue 4, April 2026.
Abstract INTRODUCTION Frailty influences dementia risk and severity. However, its role in differentiating dementia subtypes and associations with brain structural and functional alterations remain understudied, especially in Latin America. METHODS Multi‐Partner Consortium to Expand Dementia Research in Latin America data included 3461 participants ...
Joaquin Migeot   +32 more
wiley   +1 more source

Sistema de tareas para la enseñanza combinada de la gramática comunicativa y la gramática tradicional de lengua inglesa

open access: yesRevista Electrónica Dr. Zoilo E. Marinello Vidaurreta, 2015
Se realizó el diseño de un sistema de tareas para la enseñanza combinada de la gramática comunicativa y la gramática tradicional de lengua inglesa, con metodología cuali-cuantitativa, en la Facultad de Ciencias Médicas “Zoilo Marinello Vidaurreta” de la ...
Nancy del Carmen Jiménez Figueredo   +4 more
doaj  

Agribusiness Supply Chains: From Green to Regenerative

open access: yesJournal of Supply Chain Management, Volume 62, Issue 2, Page 105-124, April 2026.
ABSTRACT Supply chain management has traditionally prioritized maximizing profits, creating persistent tensions with social‐ecological systems (SES) despite sustainability efforts. Regeneration offers an alternative, ecocentric approach, yet it remains unclear how supply chains can operate within SES boundaries.
Diana Trujillo   +2 more
wiley   +1 more source

La huella de la Real Academia Española en manuales de enseñanza de la lengua para la Educación Secundaria: el caso de la oración

open access: yesEducação & Formação, 2020
Este trabajo centra su atención en el análisis de algunos de los materiales didácticos usados en la escuela española para la enseñanza de la lengua. Se pretende analizar la organización y presentación de los contenidos gramaticales de estos manuales ...
Antonio Gutiérrez Rivero   +1 more
doaj   +1 more source

The landscape of dementia research, diagnosis, treatment, and care in Latin America

open access: yesAlzheimer's &Dementia, Volume 22, Issue 3, March 2026.
Abstract Latin America is undergoing rapid population aging alongside a rising burden of dementia. While the region holds substantial potential for dementia risk reduction, challenges remain, such as delayed diagnoses, limited access to specialized care and biomarker testing, persistent stigma, and deep‐rooted structural inequities.
Claudia K. Suemoto   +41 more
wiley   +1 more source

Ribcage Morphology in Native South American Populations From Different Altitudes: Insights From a Global Comparative Framework

open access: yesAmerican Journal of Human Biology, Volume 38, Issue 2, February 2026.
ABSTRACT Objectives Altitude shapes human morphology as highland populations must cope with cold and hypoxic environments. Although Andean highlanders have been proposed to exhibit larger and deeper ribcages, this idea is mainly based on research using disarticulated skeletal elements or non‐South American controls. The objective of this research is to
J. M. López‐Rey   +9 more
wiley   +1 more source

Linguistic and Cultural Immersion of American Students in Spanish Universities: Implications for Higher Education and Study Abroad Programs

open access: yesInternational Journal of Applied Linguistics, Volume 36, Issue 1, Page 874-893, February 2026.
ABSTRACT Direct enrollment (DE) study abroad programs offer linguistic and cultural immersion by allowing students to enroll in coursework at partner universities worldwide. However, there is limited research on students’ perspectives of such programs and the necessary measures for success.
Jillian M. Pandor   +2 more
wiley   +1 more source

Effect of Melatonin Addition During Cryopreservation of Chinchilla Rabbit Spermatozoa in Mexico

open access: yesAndrologia, Volume 2026, Issue 1, 2026.
In recent years, efforts have been made to make rabbit production more efficient, and reproductive strategies, such as artificial insemination, have been developed to make it more productive. However, unlike in other species, there are currently no protocols to ensure that sperm quality is maintained during thawing.
Daniel González-Ruiz   +5 more
wiley   +1 more source

Análisis del uso de objetos de aprendizaje en las materias de Matemáticas y Física de bachillerato

open access: yesSinéctica, 2010
En el análisis abordado se aplicaron cinco objetos de aprendizaje vía Internet para Matemáticas I y ocho para Física I del bachillerato. Participaron 134 alumnos distribuidos en cinco grupos de tres colegios.
Javier Organista Sandoval
doaj  

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