Results 31 to 40 of about 91,041 (167)

La industria azucarera en Argentina (1860-1914). El mercado interno en una economía exportadora

open access: yesRevista de Indias, 2005
Este artículo analiza el origen y consolidación de la industria azucarera en Tucumán entre 1860 y 1914. Su evolución permite contemplar el período de esplendor de la economía exportadora argentina desde perspectivas poco habituales: la construcción del ...
José Antonio Sánchez Román
doaj   +1 more source

Theoretical and experimental study of a new thiosulfonate derivative: Methyl trifluoromethanethiosulfonate, CF3SO2SCH3. Conformational transferability in CX3SO2S-R compounds [PDF]

open access: yes, 2017
Methyl trifluoromethanethiosulfonate, CF3SO2SCH3, was synthesized and characterized by 13C NMR, 19F NMR, and vibrational spectroscopy. This structural study was supported by MP2 and DFT (B3LYP and MPW1PW91) calculations, which revealed a strong ...
Ben Altabef, Aída   +5 more
core   +1 more source

Cambios globales en el Noroeste Argentino con referencias a la provincia más pequeña de Argentina: Tucumán

open access: yesPirineos: Revista de Ecología de Montaña, 2008
En el Noroeste Argentino (NOA), que representa el 20 % de la superficie de Argentina vive el 12 % de la población del país. La región se caracteriza por una topografía de fuertes desniveles altitudinales (desde 180 hasta 7.084 m.s.n.m.) donde se han ...
J. A. González   +2 more
doaj   +1 more source

Transient glare: its effect on the lower threshold of motion [PDF]

open access: yes, 2000
We measured the lower threshold of motion (LTM) of suprathreshold gratings as a function of spatial frequency and contrast, for both transient glare and no-glare conditions. A two alternatives forced choice paradigm, using the method of constant stimuli,
Barraza, Jose Fernando   +1 more
core   +1 more source

The establishment of Aceratoneuromyia indica (Hymenoptera: Eulophidae) in three biogeographical regions of Argentina [PDF]

open access: yes, 2006
Specimens of the eulophid Aceratoneuromyia indica (Silvestri) were recovered from fruit fly pupae collected in three Argentinian biogeographical regions. A total of 11 A.
Colina, Carolina del Valle   +5 more
core   +4 more sources

Nutraceutical Properties and Toxicity Studies of Flour Obtained from Capsicum pubescens Fruits and Its Comparison with “Locoto” Commercial Powder [PDF]

open access: yes, 2014
The aim of this research was to evaluate the phytochemical profiles of flour from red, yellow and green fruits of Capsicum pubescens (commun name: locoto) and compare with “locoto” commercial powder (Lcp).
Alberto, Maria Rosa   +6 more
core   +1 more source

AEROSOL CLASSIFICATION FOR TUCUMÁN AERONET STATION, ARGENTINA

open access: yesAnales (Asociación Física Argentina), 2020
On November 15th, 2017, a new sunphotometer was installed for sensing and studying aerosols at National Meteorological Service headquarters in the City of Tucumán (26,787◦S; 65,207◦O), and was integrated to the AERONET/ NASA network.
F. Casasola   +7 more
doaj   +1 more source

A New Species of Anteon (Hymenoptera: Dryinidae) from Argentina [PDF]

open access: yes, 2008
Se describe la nueva especie Anteon tucumanense de San Miguel de Tucumán (Provincia de Tucumán, Argentina). A. tucumanense puede ser diferenciada de las especies neotropicales relacionadas, A. molle Olmi y A. parkeri Olmi, por diferencias en la forma del
Olmi, Massimo, Virla, Eduardo Gabriel
core   +1 more source

The establishment of Diachasmimorpha longicaudata (Hymenoptera: Braconidae) in Misiones, Northeastern Argentina [PDF]

open access: yes, 2003
The establishment of Diachasmimorpha longicaudata (Ashmead) on Anastrepha fraterculus (Wiedemann) in the northeastern province of Misiones, Argentina, is described.Fil: Schliserman, Pablo.
De Coll, Olga R.   +2 more
core   +1 more source

Antimicrobial activity of nine extracts of sechium edule (Jacq) swartz [PDF]

open access: yes, 2003
The antimicrobial properties of Sechium edule (Jacq) Swartz alcoholic extracts obtained according to the Farmacopea Argentina (6th edn) were tested against bacteria of clinical relevance as nosocomial pathogens.
Cudmani, Norma Mercedes   +4 more
core   +1 more source

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