Results 61 to 70 of about 33,743 (224)

REACCIÓN DE REDUCCIÓN DE OXÍGENO EN SUPERFICIE DE AU SOBRE TI CON ÓXIDO FORMADO POTENCIODINÁMICAMENTE ANTES Y DESPUÉS DEL DEPÓSITO DE AU

open access: yesAnales (Asociación Física Argentina), 2021
Una de las reacciones más importantes para la ciencia y la tecnología electroquímica es la reducción electrocatalítica del oxígeno. Particularmente es relevante en las celdas de combustible debido a que es una reacción lenta y exige sobrepotenciales ...
Eliseo Narciso Díaz   +3 more
doaj  

The Stenopodainae (Hemiptera, Heteroptera) of Argentina [PDF]

open access: yes, 2014
In Argentina, 10 genera and 33 species of Stenopodainae (Hemiptera: Reduviidae) have been recorded. Diagnoses of the genera, subgenera and species are given, and an illustrated key to genera is provided.
Coscarón, María del Carmen   +1 more
core   +4 more sources

Reconstructing pre-Columbian agrarian territorialities in the El Alto-Ancasti mountain range, Eastern NW Argentina

open access: yesFrontiers in Environmental Archaeology
In this paper, we examine the formation of a village landscape during the first millennium CE in the eastern Andes of South America, specifically in El Alto-Ancasti mountain range, Catamarca, Argentina.
Marcos Román Gastaldi   +18 more
doaj   +1 more source

Serological Survey of Antibodies to Mannheimia haemolytica and Pasteurella multocida in Camelids from Argentina [PDF]

open access: yes, 2017
South American camelids are a source of livestock wealth in Andean countries. In Argentina,there is little information about camelid pathogens, and most of the literature data available areseroprevalence works against virus.
Calcagno, M. L.   +6 more
core  

Assembling for Water: The Prefigurative Politics of Land Futures in Argentina

open access: yesAntipode, Volume 57, Issue 6, Page 2213-2240, November 2025.
Abstract As in other areas of Argentina, residents from the Norte Neuquino in the northwestern reaches of Patagonia are concerned about the recent advancements of extractivism onto their territories. Their analysis is clear: the environmental crisis is directly linked to a democratic one, and they engage in a wide range of actions to envision and enact
Mattias Borg Rasmussen   +1 more
wiley   +1 more source

Biomass Partitioning and Morphoanatomical Traits of Six Gymnocalycium (Cactaceae) Species Occurring along a Precipitation Gradient

open access: yesDiversity, 2022
As a group, cacti are regarded as plants that tolerate water scarcity, since they present a number of adaptations. However, little is known about how species of the family varied their morphoanatomical characteristics along environmental gradients.
Solana B. Perotti   +5 more
doaj   +1 more source

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

Plant Trait Matching Occurs in Facilitative Interactions Across Global Drylands

open access: yesGlobal Ecology and Biogeography, Volume 34, Issue 11, November 2025.
ABSTRACT Aim Plant functional traits can influence interaction outcomes between nurse and target plants through a “functional trait match”, which occurs when the traits of nurse plants ameliorate their environment, and target plants possess traits that allow them to benefit from this ameliorated environment.
Imke C. Smit   +54 more
wiley   +1 more source

Avances en la documentación del sitio La Tunita (Catamarca, Argentina).

open access: yesComechingonia. Revista de Arqueología, 2012
La vertiente oriental de la Sierra de Ancasti confi gura una zona ecotonal de singulares características a raíz de su potencial en cuanto a disponibilidad de recursos y aptitud para prácticas agrícolas y pastoriles, otorgándole cierta preponderancia en el contexto regional.
Nazar, Domingo Carlos   +2 more
openaire   +4 more sources

Aportaciones a la flora briofítica de los bosques tropicales y subtropicales de la Argentina (Bryophyta, Musci) [PDF]

open access: yes, 2015
Se presenta una lista de 32 especies de musgos pertenecientes a 15 familias: Brachytheciaceae, Cryphaeaceae, Entodontaceae, Hedwigiaceae, Hypnaceae, Leptodontaceae, Meteoriaceae, Neckeraceae, Pilotrichaceae, Polytrichaceae, Pterobryaceae, Racopilaceae ...
Fuertes Lasala, Esther   +2 more
core   +4 more sources

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