Results 51 to 60 of about 119,644 (285)

Series largas de algunos agregados demográficos regionales, 1950-2009 [PDF]

open access: yes, 2011
El presente trabajo resume los resultados de la primera fase de un proyecto cuyo objetivo es el de ofrecer series homogéneas de los principales agregados económicos y demográficos de las regiones españolas para el período desde 1950 hasta nuestros días ...
Fuente, Ángel de la   +2 more
core  

La intervención cambiaria y los flujos de capital: evidencia empírica para Brasil, Colombia, Chile y México, 2001-2013 [PDF]

open access: yes, 2015
This article examines inconsistencies in the assumptions on which the new macroeconomic consensus is based, before going on to propose an alternative theoretical framework for understanding how exchange rate interventions work, and the compensatory ...
Rosas-Rojas, Eduardo
core   +5 more sources

Gagliano Neto

open access: yesFuLiA/UFMG
The article presents a historical review of the trajectory of “speaker” Gagliano Neto, the first Brazilian radio professional to narrate a World Cup, in 1938, straight from France. The work starts from a bibliographic survey and a documental research at the Hemeroteca Digital Brasileira to analyze the construction of the figure of Gagliano in the ...
Daniel Leal, Giovana Mesquita
openaire   +1 more source

Evidence From Microscopy and U–Pb Geochronology as a Clue to the Influence of the Cretaceous Magmatism in the Diagenesis of Pre‐Salt Carbonate Reservoirs in the Santos Basin (Brazil)

open access: yesGeological Journal, EarlyView.
Carbonates from Santos Basin revealed U–Pb ages correlated with basalt ages (A), suggesting that they were formed during magmatic events. These events placed hot CO2 in the reservoir, which, when mixed with carbonate‐rich cold water (B), led to thermal convection, enabling the formation of the U contained in the carbonates.
Marco António Ruivo de Castro e Brito   +8 more
wiley   +1 more source

Sunshine Duration in Brazil From Meteosat (1983–2020): Climatology, Variability and Long‐Term Trends

open access: yesInternational Journal of Climatology, EarlyView.
Using nearly four decades of Meteosat satellite data (1983–2020), this study presents a country‐wide climatology of sunshine duration (SDU) in Brazil. The results reveal marked regional contrasts, dominant modes of variability, and significant long‐term trends, providing new information on the most relevant meteorological systems that influence SDU and
Maria Lívia Lins Mattos Gava   +2 more
wiley   +1 more source

Transiciones en el uso del suelo entre 1984 y 2007 en las lagunas el pondaje y charco azul en la ciudad de Santiago de Cal?, Colombia [PDF]

open access: yes, 2015
37 p. Recurso Electr?nicoEl presente estudio emplea matrices de transici?n, a partir del uso im?genes satelitales como herramienta para ubicar y evaluar los cambios en las coberturas sufridas por las Lagunas del Pondaje y Charco Azul, ubicadas en el ...
Higuita V., Arnold J.   +1 more
core  

Dextran sodium sulfate confounds causal role of periodontitis in inflammatory bowel disease

open access: yesJournal of Periodontology, EarlyView.
Abstract Background Emerging evidence supports a bidirectional link between periodontitis and inflammatory bowel disease (IBD). To investigate this relationship, experimental models commonly use dextran sodium sulfate (DSS) to induce colitis. However, DSS is presumed to selectively affect the colon, and its potential off‐target effects on the oral ...
Himanshi Tanwar   +11 more
wiley   +1 more source

Nuevos acuerdos regionales de comercio en Latinoamérica y disposición a negociar: El caso de la agricultura

open access: yesEconomía Agraria y Recursos Naturales, 2011
Este artículo analiza las tendencias del comercio agrario y el proteccionismo de la agricultura en Latinoamérica, examinando los cambios observados en la agricultura y la política comercial en los últimos 20 años, denominados por los autores como«nuevos ...
Alberto Valdés, William Foster
doaj   +1 more source

La energía nuclear y la garantía de suministro [PDF]

open access: yes, 2009
Actualmente, sobre todo en crisis, resulta fundamental disponer de un sector energético eficiente que permita mejorar nuestra competitividad al objeto de incrementar nuestro potencial de crecimiento, lo que permitiría reducir el tiempo de recesión y ...
Iranzo, Juan
core  

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