Results 1 to 10 of about 1,019,228 (252)

Tierra virgen [PDF]

open access: yes, 2015
El texto de esta edición de Tierra virgen se tomó de la edición príncipe de 1897 (Medellín, Librería Carlos A. Molina) y se actualizó la ortografía de acuerdo a la Ortografía de la lengua española de la Real Academia Española de 2011. Colección Bicentenario de Antioquia.
Zuleta, Eduardo 1864-1937   +1 more
openaire   +3 more sources

Arsenic-bearing phases in South Andean volcanic ashes: Implications for As mobility in aquatic environments [PDF]

open access: yes, 2015
Three samples of volcanic ashes collected after eruptions of the volcanos Hudson in 1991, Chaitén in 2008 and Puyehue in 2011 were analyzed in order to define the solid speciation of arsenic and the dynamics of its release to the aqueous phase.
Bia, Gonzalo Luis   +3 more
core   +1 more source

Hypercarnivorous apex predator could provide ecosystem services by dispersing seeds [PDF]

open access: yes, 2016
Large ?hypercarnivorous? felids are recognized for their role as apex predators and hence as key elements in food webs and ecosystem functioning through competition and depredation.
Costan, Andrea Silvina   +3 more
core   +1 more source

Zeolita, estudio de aptitud como una puzolana natural aplicada a hormigón estructural [PDF]

open access: yes, 2015
Nowadays, concrete is one of the most widely used construction materials due to its low price, appropriate mechanic characteristics and durability. Also, due to its ease to adopt diverse forms and sizes (Najimi et al., 2012).
Locati, Francisco   +4 more
core   +2 more sources

Tierra

open access: yesrita_, 2020
This music score was submitted for the Kaleidoscope 2020 Call for Scores, an open access collaboration with the UCLA Music Library.
openaire   +4 more sources

Early Cambrian U-Pb zircon age and Hf-isotope data from the Guasayán pluton, Sierras Pampeanas, Argentina: implications for the northwestern boundary of the Pampean arc [PDF]

open access: yes, 2016
An Early Cambrian pluton, known as the Guasayán pluton, has been identified in the central area of Sierra de Guasayán, northwestern Argentina. A U?Pb zircon Concordia age of 533 ± 4 Ma was obtained by LA-MC-ICP-MS and represents the first report of ...
Alasino, Pablo Horacio   +8 more
core   +2 more sources

Tierra de españa, tierra de mitos [PDF]

open access: yesL’Âge d’or, 2008
Cet article est consacré à l’étude historique et analytique du film The Spanish Earth (Terre d’Espagne), mis en scène par Joris Ivens, en 1937. La conjoncture historique et politique particulière de cette époque est le cadre et le point d’ancrage de la réalisation du film (une production nord-américaine) sur la guerre civile espagnole.
openaire   +2 more sources

Detrital zircon SHRIMP U-Pb age study of the Cordillera Darwin Metamorphic Complex of Tierra del Fuego : sedimentary sources and implications for the evolution of the Pacific margin of Gondwana [PDF]

open access: yes, 2010
The Cordillera Darwin Metamorphic Complex in the southernmost Andes includes a basement of probable Palaeozoic age, a mid-Jurassic and younger volcano-sedimentary cover, and a suite of Jurassic granites, all of which were jointly metamorphosed during the
Calderon, M.   +6 more
core   +1 more source

Tierras. "Presentación"

open access: yesAmérica Latina en la Historia Económica, 2001
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openaire   +3 more sources

The fluctuating resource hypothesis explains invasibility, but not exotic advantage following disturbance [PDF]

open access: yes, 2018
Invasibility is a key indicator of community susceptibility to changes in structure and function. The fluctuating resource hypothesis (FRH) postulates that invasibility is an emergent community property, a manifestation of multiple processes that cannot ...
Cock, Marina Cecilia   +6 more
core   +2 more sources

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