Results 61 to 70 of about 5,749 (186)

The Atacama Cosmology Telescope [PDF]

open access: yesNew Astronomy Reviews, 2003
The Atacama Cosmology Telescope (ACT) project is described. This multi-institution collaboration aims to produce arcminute-resolution and micro-Kelvin sensitivity maps of the microwave background temperature over 200 square degrees of the sky in three frequency bands.
openaire   +2 more sources

Geological Mapping and Structural Analysis of the Western Half of the Eminescu Quadrangle (H09), Mercury

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 6, June 2026.
Abstract We present the results of the first geological mapping of the western half of the Eminescu Quadrangle (H09) on Mercury. Multiple data sets from the NASA MESSENGER Mercury Dual Imaging System instrument were used to produce a geological map covering the area between 72°E and 108°E longitude and 22.5°N and 22.5°S latitude.
M. El Yazidi   +9 more
wiley   +1 more source

Introducción del Aprendizaje Basado en Proyectos en el proceso de práctica profesional de la carrera de Trabajo Social.

open access: yesRed U
Los actuales requerimientos de formación profesional dan cuenta del cambio en el proceso de enseñanza-aprendizaje y de la necesidad de contar con herramientas metodológicas acordes a las habilidades vigentes en el siglo XXI.
Daniela Guzmán   +2 more
doaj   +1 more source

Biosorción de iones cobre con biomasa de algas y orujos deshidratados

open access: yesRevista de Metalurgia, 2011
Se realizaron experimentos de biosorción batch y en continuo para remover cobre desde soluciones acuosas usando como adsorbentes algas verdes y residuos de aceituna en condiciones vírgenes y activadas químicamente.
P. Tapia   +5 more
doaj   +1 more source

Mapping Quartz and Feldspar Areal Abundance and Grain Sizes Using Integrated VTIR Data

open access: yesAGU Advances, Volume 7, Issue 3, June 2026.
Abstract Mineral dust is sourced from arid regions around the globe, and its composition impacts regional and global environments by affecting radiation balance, cloud formation, nutrient deposition, and snowmelt. As such, mineral dust plays a key role in Earth's energy and biogeochemical budgets.
Kathleen Grant   +5 more
wiley   +1 more source

THE BOUNCING BOULDERS OF THE ATACAMA

open access: yes, 2020
124 pages ; In the heart of Chile’s Atacama Desert thousands of boulders, some exceeding 5 m in diameter, lie at the bases of steep escarpments. The rapid and forceful descents of the boulders are commonly recorded by the trails of small impact craters the boulders left as they bounced down the escarpments.
openaire   +2 more sources

Controls on Valley‐Floor Width in the Western Andes

open access: yesJournal of Geophysical Research: Earth Surface, Volume 131, Issue 6, June 2026.
Abstract River‐valley floors are low relief, confined parts of the landscape that store sediment en route from mountains to lowlands. Transient sediment storage influences sediment budgets, biogeochemical cycles, and the preservation of environmental signals. The controls on valley‐floor width remain poorly understood, limiting the ability to reproduce
S. Tofelde, F. J. Clubb, B. Bookhagen
wiley   +1 more source

The Atacama skeleton [PDF]

open access: yesGenome Research, 2018
Nolan, Garry, Butte, Atul
openaire   +2 more sources

Terrestrial Analogs to Titan for Geophysical Research

open access: yesReviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon   +21 more
wiley   +1 more source

Barreras y facilitadores de la atención en salud de personas con cáncer en una comuna del norte de Chile: reporte cualitativo

open access: yesEnfermería: Cuidados Humanizados
Introducción: Los pacientes oncológicos constituyen un grupo vulnerable de la población por la fragilidad que les provoca la enfermedad. Consultada la literatura se describen problemas en el acceso a la atención en salud. Objetivo: Analizar las barreras
Constanza Torres Saavedra   +2 more
doaj   +1 more source

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