Results 61 to 70 of about 20,666 (175)

¿Fronteras abiertas, fronteras cerradas?

open access: yesPapeles de Geografí­a, 2002
El tema de las fronteras en relación con la Inmigración requiere reflexión y voluntad política para superar el dualismo maniqueo que se radicaliza en: «inmigración cero» «puertas abiertas».
openaire   +3 more sources

Ageing does not impair motor neuron adaptations: comparable motor unit responses to strength training in young and older adults

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Ageing is associated with reduced motor neuron excitability and lower motor unit (MU) discharge rates, contributing to impaired voluntary force production. Using high‐density surface EMG and longitudinal motor unit tracking, we show that 4 weeks of isometric strength training increases discharge rates and estimates of persistent ...
Andrea Casolo   +11 more
wiley   +1 more source

The ‘vulnerability paradox’: how institutional legacies shaped Colombia's response to Venezuelan displacement

open access: yesDisasters, Volume 50, Issue 2, April 2026.
Abstract Colombia's response to Venezuelan displacement—driven by economic collapse, political instability, and humanitarian need—through the Temporary Protection Status programme has been praised internationally for its inclusive approach and positive effects on both migrants and host countries.
Nieves Fernández‐Rodríguez
wiley   +1 more source

LAS TRANSFORMACIONES TERRITORIALES FRONTERIZAS SEGÚN LA CONCEPCIÓN IDEOLOGICA DE FRONTERA (1991-1995)

open access: yesBoletín Geográfico, 2003
Las transformaciones de los espacios fronterizos que demandan los procesos de integración con propósitos económicos tienen su propia particularidad. Ella deviene de la condición de contener una frontera y son precisamente esos procesos de integración los
Alicia Laurín
doaj  

On the Importance of Halogen–Halogen Interactions in the Solid State of Fullerene Halides: A Combined Theoretical and Crystallographic Study

open access: yesCrystals, 2017
In this manuscript, we combined DFT (Density Functional Theory) calculations (BP86-D3/def2-TZVP level of theory) and a search in the CSD (Cambridge Structural Database) to analyze the role of halogen–halogen interactions in the crystal structure of ...
Antonio Bauzá, Antonio Frontera
doaj   +1 more source

Las transformaciones territoriales fronterizas según la concepción ideologica de frontera (1991-1995)

open access: yesBoletín Geográfico, 2014
Las transformaciones de los espacios fronterizos que demandan los procesos de integración con propósitos económicos tienen su propia particularidad. Ella deviene de la condición de contener una frontera y son precisamente esos procesos de integración los
Alicia Laurín
doaj  

Hábitos alimentarios y bienestar subjetivo en estudiantes universitarios del sur de Chile

open access: yesNutrición Hospitalaria, 2013
Objetivo: Distinguir tipologías de estudiantes universitarios en el sur de Chile, en base a su nivel de satisfacción con la vida y la alimentación, y caracterizarlas según sus hábitos alimentarios dentro y fuera del lugar de residencia, aspectos ...
Berta Schnettler   +6 more
doaj   +1 more source

Simulated Operational Testing of the Prototype Implementation of the SOFIE Model: The 2025 Space Weather Prediction Testbed Exercise

open access: yesSpace Weather, Volume 24, Issue 3, March 2026.
Abstract The CLEAR Space Weather Center of Excellence's solar energetic particle (SEP) model, SOlar wind with FIeld lines and Energetic particles (SOFIE), was run and evaluated on‐site during the Space Weather Prediction Testbed (SWPT) exercise at the National Oceanic and Atmospheric Administration's Space Weather Prediction Center (NOAA/SWPC) in May ...
Weihao Liu   +31 more
wiley   +1 more source

Validación del cuestionario de auto-reporte de comportamiento antisocial en adolescentes: CACSA

open access: yesPaidéia (Ribeirão Preto), 2010
El estudio tiene por objetivo presentar la validación de un instrumento formulado racionalmente para evaluar, mediante auto-reporte, el comportamiento social en adolescentes chilenos (CACSA) y describir el comportamiento social de dos grupos ...
Paula Alarcón Bañares   +5 more
doaj   +1 more source

Seismicity and Seismotectonics in the Cantabrian‐Pyrenean Zone (N Spain) Using a Dense Temporary Network of Broadband Seismic Stations

open access: yesTectonics, Volume 45, Issue 3, March 2026.
Abstract Earthquakes in intraplate regions are often scattered and difficult to associate with specific geological structures, requiring detailed surveys to identify active faults. Improving knowledge of local seismicity in these areas is essential for accurate seismic hazard assessment and for safe planning of economic activities that could affect ...
A. Olivar‐Castaño   +7 more
wiley   +1 more source

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