ABSTRACT: Micronutrients availability is na important constraint for crops in the Cerrado region, and its correction is always needed to obtaining economic yields. Old and new nutritional problems came with the agriculture expansion in Cerrado. Although being crucial for increasing…

In this article we describe our experience in the development of a personalizable dissemination model for the Miguel de Cervantes Digital Library’s Web-based newsletter-service, which combines adaptive with adaptable personalization techniques, being capable or ranking news according to navigation-inferred preferences…

The family agriculture is an important segment in Brasilian, as on the social point of view, as on the gross value production from the national farming. In spite of its importance, however, it faces many problems as , decapitalization, access…

RESUMO: Folhas e caules, com sintomas de antracnose, foram coletados de populações nativas de Stylosanthes spp., de 1997 a 2000, em localidades de Minas Gerais, Goiás e Bahia, para avaliar a variabilidade patogenica do agente causal (Colletotrichum gloeosporioides). Duzentos e…

En el último tiempo se han buscado mecanismos alternativos para combatir la corrupción, la impunidad y otros delitos.
Estados Unidos y Australia promulgaron el Whistleblowers Act, y Perú la Ley de Colabiración Eficaz.
En esta tesina, presento como mecanismo…

En este trabajo, escrito como un ensayo se persigue explicar la teoría desarrollada por Michel de Certeau, la cual envuelve el problema de la historia y las posibilidades de conocimiento con fundamento en el concepto de “verdad” y creencia. La…

Magnetic Resonance Imaging (MRI) is an important diagnostic imaging tool that has
seen rapid expansion in recent years with a commensurate increase in the number of
radiographers undertaking MRI scans. This imaging modality is a complex one and the strong

We have developed a method and prototype program for assisting two experts in their attempts to construct a single, consensus knowledge base. We show that consensus building can be effectively facilitated by a debugging approach that identifies, explains, and resolves…

In this work, non-equilibrium molecular dynamics simulations are used to generate the flow of linear polymer chains (monomer-springs with FENE potential) and a Lennard-Jones fluid (Newtonian fluid) through a con traction-expansion (4:1:4) geometry. An external force field simulating a constant…

L'appropriation culturelle possède une diffusion très large et est un phénomène essentiellement intemporel. L'appropriation culturelle est définie comme «the taking- from a culture that is not one’s own- of intellectual property, cultural expressions or artifacts, history and ways of knowledge»…