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Now showing items 101-110 of 121
Synthesis of a new chiral bis-arsine ligand based on natural carbohydrates
(2013)
Transition-metal-catalyzed asymmetric allylic substitutions have become one of the most powerful tools for asymmetric C−C bond formation.1 Chiral diphosphine ligands have been some of the largest classes of ligands used ...
Inhibitory action of thymol in fecal microbial activity of Tamandua tetradactyla and its effect on glucocorticoid metabolite measurements
(2015)
Non-invasive hormonal monitoring has potential to improve wildlife conservation, but there are methodological concerns. Faeces require storage methods to
avoid steroid degradation by faecal microorganisms. Freezing is ...
Asbestiform amphiboles in a marble quarry: A case study from the province of Córdoba (Argentina)
(2014)
Pure and impure marbles in Argentina have been exploited for hundreds of years for different
purposes. Marble processing is varies depending on its use and could include chemical
treatments, burning, crushing, milling ...
The relationships between pre- to syn-Pampean orogeny metasedimentary rocks in the Eastern sierras Pampeanas (Argentina)
(2014)
Two series of pre-to syn-Pampean orogeny metasedimentary rocks can be distinguished in
the Sierras Pampeanas on the basis of U-Pb SHRIMP detrital zircon ages. On one hand the
Ancaján series consists of meta-siliciclastic ...
Effects of water erosion in road Embankments
(2015)
Road projects are linear works that affect various geotechnical and
hydrological environments. In these projects, the interaction of local soils with
water draining superficially, or inside embankments, should be assessed ...
3D hydrodynamic modelling to optimize the hydraulic efficiency of the weirs and turbines intakes of the Néstor Kirchner dam in Santa Cruz, Argentina
(2015)
In this work 3D hydrodynamic modeling were performed on the weir channel access and the turbines
intakes of Nestor Kirchner dam in the province of Santa Cruz (Argentina). Different alternatives of the
layout scheme of ...
Forecasting noisy time series approximated by neural networks
(2014)
In this work, a proposed methodology for univariate noisy time series prediction
approximated by artificial neural networks (ANN) is applied to the problem of forecasting
monthly rainfall precipitation in Cuesta El ...
Callothrix clavata development W.G.S. in soil treated with herbicide atrazine at agronomic rate
(2015)
More than 70% of agricultural tillage in Argentina is made as direct seeding,
so weed control is done primarily with the application of herbicides. Atrazine (2-
chloro-4-ethylamino-6-isopropylamino-s-triazine) is one of ...
Effects of prenatal ethanol exposure on hidroelectrolyte homeostasis
(2014)
The aim of the present work was to analyze the effect of prenatal exposure to moderate
doses of ethanol (Pre-EtOH) during the gestational days (GD) 17 to 20 on offspring
(postnatal day 28-33) hydroelectrolyte balance. ...
Watermarking based on difference expansion and genetic algorithms
(2015)
Security problems that recently appeared in transmission and storing of digital content can be solved by using watermarking. Reversible watermarking is the election in medical and defense imagery because these security ...