The pearly freshwater mussels ("naiads") are infaunal species, endemic to the Neotropical region, belonging to the families Hyriidae and Etheriidae. The habitat alteration and competition with the invasive species Corbicula fluminea and Limnoperna fortunei, impact on their natural populations. This…

The role of communities associated to a substrate as fundamental components of an aquatic system has been recognized by many authors. Although periphyton has been considered of great importance in shallow lakes, its inclusion in different ecological models has been…

Four different leaf extracts of B. microstachya var. massambabensis were studied to evaluate their antioxidant capacity by using three in vitro methods, with Ginkgo biloba and Trolox® as the standards. With the DPPH and ABTS·+ methods, the antioxidant activity of…

Current reasoning systems attempt to model an agent's knowledge and interaction with its environment in a symbolic manner. This environment, its world is generally dynamic and changing due to natural evolution or the actions of other agents that are a…

The studies on the formation of psychology's professors were locating us in the construction process of the professional knowledge in professors but in psychologists that exercise the teaching too, visualizing the paper that built knowledge assumed between both environments (academic…

The aim of this paper is to describe and discuss some results from an ethnographic research on Argentinian Mbya communities focused on representations and practices related to childrearing and development during the first stages of life course.
Firstly, I describe…

El proceso de “globalización” que atraviesa la humanidad, enmarca la interacción de los sistemas de educación superior y de investigación científica, creando sinergia a través de medios estratégicos tales como: proyectos de investigación, convenios de vinculación y acuerdos de colaboración…

To find a good termination criterion for genetic algorithms is a difficult and frequently ignored task. In most instances the practitioner stops the algorittm after a predefined number of generations or function evaluations. How this number is established? This stop…

El desarrollo sostenible busca compatibilizar una alta productividad para abastecer a una humanidad creciente y la preservación de recursos para las próximas generaciones.
Un grupo interdisciplinario de la UNT conduce trabajos de investigación y extensión en la temática de sostenibilidad…

La amplia difusión del proceso de desarrollo basado en componentes, en particular en el dominio de aplicaciones geográficas, ha generado el surgimiento de una gran cantidad y variedad de componentes software orientados a satisfacer las necesidades de los desarrolladores. En…