Results 51 to 60 of about 65,459 (272)

The Atacama Cosmology Telescope: DR6 maps

open access: yesJournal of Cosmology and Astroparticle Physics
Abstract We present Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) maps of the Cosmic Microwave Background temperature and polarization anisotropy at arcminute resolution over three frequency bands centered on 98, 150 and 220 GHz.
Sigurd Naess   +165 more
openaire   +3 more sources

A composite‐loss graph neural network for the multivariate post‐processing of ensemble weather forecasts

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
The dual graph neural network (dualGNN), trained with a composite loss combining the energy score (ES) and variogram score (VS), consistently outperformed models optimized solely for ES or the continuous ranked probability score in the multivariate setting, as well as empirical copula approaches.
Mária Lakatos
wiley   +1 more source

Body Size Regulates Niche Overlap Asymmetry in the Subtropical Andes Rain Shadow: Isotopic Paleoecology of Oligocene South American Ungulates

open access: yesIntegrative Zoology, EarlyView.
This study provides the first isotopic analysis of Oligocene mammals from Quebrada Fiera, Mendoza, Argentina, filling a major gap in South American paleontology. It reveals a latitudinal gradient in aridity due to the Andean rain shadow and highlights the role of (semi)permanent water bodies in sustaining diverse herbivore communities. Additionally, it
Dánae Sanz‐Pérez   +4 more
wiley   +1 more source

Percepción de estudiantes de Trabajo Social sobre derechos humanos en Chile

open access: yesAlternativas
Introducción. En 2023, Chile conmemoró 50 años de la dictadura cívico-militar en medio de un contexto de profunda relativización y negacionismo de los derechos fundamentales.
Cory Duarte Hidalgo   +3 more
doaj   +1 more source

REMOCIÓN DE IONES COBRE Y NIQUEL CON CÁSCARA DE MANÍ

open access: yesHolos, 2018
En el presente trabajo se estudió la remoción de iones cobre y níquel utilizando cáscaras de maní mediante pruebas en lote en sistemas monocomponente y bicomponente (pruebas de remoción simultánea). En este estudio se evaluó el efecto de las variables pH,
Patricia Tapia   +3 more
doaj   +1 more source

Survey strategy optimization for the Atacama Cosmology Telescope [PDF]

open access: yes, 2016
In recent years there have been significant improvements in the sensitivity and the angular resolution of the instruments dedicated to the observation of the Cosmic Microwave Background (CMB).
Alonso, D.   +36 more
core   +2 more sources

The underappreciated roles of fog and dew on vegetation and biocrusts

open access: yesNew Phytologist, EarlyView.
Summary Fog and dew represent minor components of ecosystem water budgets in most ecosystems. However, fog and dew can play an essential role in ecosystem dynamics and are particularly important for water‐limited systems. In addition to serving as direct water inputs, fog and dew can influence microclimate and water redistribution, thereby promoting ...
Lixin Wang, Yue Li, Mengyun Sun, Na Qiao
wiley   +1 more source

Determinación de la intención de uso de tablets en alumnos de educación superior: Una aproximación desde la teoría del comportamiento planificado

open access: yesRevista Electrónica Educare
Objetivo. El objetivo de esta investigación es determinar si los factores subyacentes de la intención influyen en el uso de las tablets en estudiantes de Educación Superior, mediante el uso de la teoría del comportamiento planificado. Metodología.
Rafael Figueroa-Ortega   +3 more
doaj   +1 more source

Salud Mental y Apoyo Social en habitantes de Copiapó, Chile, en el contexto de la COVID-19

open access: yesPsicogente, 2021
Introducción: La pandemia de la COVID-19 ha venido a cambiar de forma abrupta las formas de vida de buena parte de la población mundial. Conocer la presencia de psicopatología en este contexto se hace relevante para generar políticas públicas de ...
Ricardo Jorquera Gutiérrez   +2 more
doaj   +1 more source

The Development of the Atacama Mine

open access: yesJournal of MMIJ, 2007
In Chile, which is a mining country, based on our company’s original technology, we have opened the Atacama Mine, a copper mine, in which our company owns a 60% majority share, and are conducting operations based on our own initiative.The Atacama Mine is located about 16 kilometers SSE of Copiapo, the capital city of the Third Region in the Republic of
Takashi ISE, Akio ABE
openaire   +2 more sources

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