Results 31 to 40 of about 424,116 (226)

Fisuras generacionales en el norte de Chile

open access: yesRevista de Educación Religiosa
En este texto se explora el proceso de construcción de la identificación religiosa en jóvenes universitarios del Campus Guayacán de la Universidad Católica del Norte (Coquimbo). El marco teórico responde a una conceptualización de la religión basada en el enfoque de la “religiosidad vivida”, el cual enfatiza la capacidad de los actores para conectarse ...
Fabián Bravo Vega   +1 more
openaire   +3 more sources

Rock Art of the Villavil 2 Site (Hualfín Valley, Catamarca, Argentina) [PDF]

open access: yes, 2015
En este trabajo se presentan y se interpretan una serie de grabados localizados en el sector norte del valle de Hualfín, Catamarca, Argentina.
Lynch, Julieta
core   +3 more sources

Optimización de parámetros para la extracción de elementos desde minerales en medios ácido [PDF]

open access: yes, 2020
[SPA] Esta tesis doctoral se presenta bajo la modalidad de compendio de publicaciones. Actualmente, la gran minería del cobre chilena se encuentra frente a nuevos problemas y desafíos a superar.
Toro Villarroel, Norman Rodrigo
core   +2 more sources

The Evolution of Peteroa Volcano (Chile–Argentina) Crater Lakes Between 1984 and 2020 Based on Landsat and Planet Labs Imagery Analysis

open access: yesFrontiers in Earth Science, 2021
One of the major challenges in the understanding of the crater lakes dynamics and their connection with magmatic/hydrothermal processes is the continuous tracking of the physical behavior of lakes, especially in cases of remote and poorly accessible ...
Felipe Aguilera   +7 more
doaj   +1 more source

Poblamiento Paleoindio en el norte-centro de Chile: Evidencias, problemas y perspectivas de estudio [PDF]

open access: yes, 2004
Este artículo presenta una revisión de las evidencias de sitios Paleoindios en el área comprendida entre el Norte Grande y Centro de Chile, caracterizando contextos, marco paleoambiental y relaciones culturales.
De Souza, Patricio   +2 more
core   +1 more source

Forecasting volcanic ash dispersal and coeval resuspension during the April-May 2015 Calbuco eruption [PDF]

open access: yes, 2016
Atmospheric dispersion of volcanic ash from explosive eruptions or from subsequent fallout deposit resuspension causes a range of impacts and disruptions on human activities and ecosystems.
Baez, Walter Ariel   +9 more
core   +1 more source

Practices, barriers, and opportunities for dietitians‐nutrionists in critical care in latin america: A cross‐sectional study

open access: yesJournal of Parenteral and Enteral Nutrition, EarlyView.
Abstract Background Dietitians–nutritionists (DNs) play a key role in intensive care units (ICUs), yet their scope of practice varies across settings. This study aimed to describe the professional practices of DNs working in ICUs in Latin America and to identify factors associated with their level of professional activity.
Mirta Crovetto   +18 more
wiley   +1 more source

A new DNA-based model for finite field arithmetic

open access: yesHeliyon, 2019
A Galois field GF(pn) with p≥2 a prime number and n≥1 is a mathematical structure widely used in Cryptography and Error Correcting Codes Theory. In this paper, we propose a novel DNA-based model for arithmetic over GF(pn).
Iván Jirón   +4 more
doaj   +1 more source

Corrigendum to “Spectra universally realizable by doubly stochastic matrices”

open access: yesSpecial Matrices, 2023
We correct an error in the statement and the proof of Theorem 2.1 and Corollary 2.1 in our previous study [Spec. Matrices 6 (2018), 301–309], Section 2: On nonnegative matrices similar to positive matrices.
Collao Macarena   +2 more
doaj   +1 more source

Percepción sobre las conductas relacionadas con la integridad académica en estudiantes de Química y Farmacia en una universidad chilena

open access: yesEducación Médica, 2022
Resumen: Introducción: más de la mitad del alumnado universitario comete fraude o plagio en las actividades académicas, llegando hasta el 90% en estudiantes de Farmacia. No existen publicaciones en Chile que aborden la integridad académica.
Sebastián Orellana   +5 more
doaj   +1 more source

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