Results 101 to 110 of about 516,395 (305)

Frontera [PDF]

open access: yes, 2007
Se trata de concretar la definición del término 'frontera' desde el punto de vista del Derecho internacional, así como de determinar cuestiones conexas como la relativa a los distintos criterios de delimitación del territorio.
openaire   +3 more sources

Frontera, límites y espacios de confrontación en la América hispana durante el siglo XVIII.

open access: yesCuadernos de Historia de España, 2012
Este trabajo analiza el papel de la “frontera”, los límites y los espacios de confrontación desde una múltiple perspectiva, atendiendo al notable interés dedicado al tema por parte de la historiografía durante las últimas décadas.
Porfirio Sanz Camañes
doaj   +1 more source

The bright Gamma-Ray Burst of February 10, 2000: a case study of an optically dark GRB [PDF]

open access: yes, 2002
The gamma-ray burst GRB000210 had the highest gamma-ray peak flux of any event localized by BeppoSAX as yet but it did not have a detected optical afterglow.
B. L. Jensen   +24 more
core   +2 more sources

Mitophagy in skeletal muscle: Impact of ageing, exercise and disuse

open access: yesExperimental Physiology, EarlyView.
Abstract Skeletal muscle plays an important role in whole‐body health, quality of life and regulation of metabolism. The maintenance of a healthy mitochondrial pool is imperative for the preservation of skeletal muscle quality and is mediated through mitochondrial quality control consisting of mitochondrial turnover mediated by a balance between ...
Anastasiya Kuznyetsova, David A. Hood
wiley   +1 more source

CONTATTO TRA ITALIANO E SPAGNOLO IN CONTESTO MIGRATORIO: IL RUOLO DEI SEGNALI DISCORSIVI

open access: yesItaliano LinguaDue, 2022
Il presente lavoro propone un’indagine quali-quantitativa riguardante la funzione comunicativa dei segnali discorsivi (SD) presenti nel parlato di un gruppo italo-argentino di origine calabrese emigrato negli anni Cinquanta del secolo scorso.
Manuela Frontera, Emanuela Paone
doaj  

La construcción política de la frontera. Entre los discursos nacionalistas y la “producción” de trabajadores precarios

open access: yesPolis (Santiago), 2018
El presente artículo discute las políticas de control hacia los movimientos migratorios y la producción de población migrante destinada a “suplir” mercados laborales precarizados.
C. Espinoza   +2 more
semanticscholar   +1 more source

Atrial fibrosis in atrial fibrillation: Mechanisms, mapping techniques and clinical applications

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Summary of key aspects of atrial fibrosis in atrial fibrillation, highlighting atrial fibrosis as a hallmark of atrial fibrillation (AF). (1) Different types of fibrosis (blue), illustrating reparative and reactive fibrosis; (2) fibrosis detection techniques (green), illustrating late gadolinium enhancement cardiac magnetic ...
Caterina Vidal Horrach   +8 more
wiley   +1 more source

AIMNet2‐NSE: A Transferable Reactive Neural Network Potential for Open‐Shell Chemistry

open access: yesAngewandte Chemie, Volume 138, Issue 5, 28 January 2026.
AIMNet2‐NSE enables accurate modeling of open‐shell radical chemistry through neural spin‐charge equilibration (NSE). This machine learning interatomic potential predicts radical reaction energies, barriers, and spin‐crossing events with near‐DFT accuracy while offering five orders of magnitude computational speedup, making high‐throughput exploration ...
Bhupalee Kalita   +7 more
wiley   +2 more sources

La frontera como factor de integración regional. Análisis a partir del caso de la frontera entre Colombia y Perú

open access: yesAgenda Internacional, 2015
Este artículo tiene por objetivo resaltar la importancia de la frontera en los procesos de integración regional, haciendo referencia al caso de la frontera entre Colombia y Perú para demostrar la pertinencia de un entendimiento de frontera como factor de
Edgar Andrés Londoño Niño
doaj  

Bent crystal selection and assembling for the LAUE project

open access: yes, 2013
For the first time, with the Laue project, bent crystals are being used for focusing photons in the 80-300 keV energy range. The advantage is their high reflectivity and better Point Spread Function with respect to the mosaic flat crystals.
Buffagni, Elisa   +5 more
core   +1 more source

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