The combination of soil science, forestry, agronomy and biology allowed an analytical comparison of various experimental mixed culture systems. From these studies, a descriptor system was developed which allows to understand the contribution of each plant species to nutrient cycling,…

The anthropogenic dark earths (ADE, Terra Preta de Índio or terra preta arqueológica, as are often referred to in Portuguese) feature unique properties that are interesting not only from a pedological point of view but have important agronomic and economic…

Considering the importance of the debate on the topic of disasters related to landslides, flooding and technological risks, under international and more recently in Brazil, this work analyzes the situations of vulnerability risk areas on the Northern Coast of São…

The so-called diversity-multiplexing tradeoff characterizes the fundamental interaction between the robustness and capacity gains obtainable from multiple-input and
multiple-output (MIMO) systems in fading environments. This thesis develops practical schemes for approaching the optimal tradeoff in various delay and complexity
regimes.…

Nowadays universities are required not only to impart
knowledge of specific disciplines but also generic graduate
attributes such as communication, problem-solving,
teamwork, creative thinking, research and inquiry skills. For
students to attain these generic skills, educators are
encouraged to use…

El presente trabajo de investigación fue desarrollado con el objetivo de determinar la factibilidad financiera y comercial de un proyecto de construcción de viviendas en el sector de Santa Mónica Alta ubicado en el valle de los Chillos, el mismo…

The central thesis of this report is that human language is NP-complete. That is, the process of comprehending and producing utterances is bounded above by the class NP, and below by NP-hardness. This constructive complexity thesis has two empirical consequences.…

En este trabajo defiendo la idea de que la competencia lingüística está constituida por lo que denomino 'actitudes de aceptación subdoxásticas'. Estas son estados mentales cognoscitivos con un contenido conceptual, pero que son inconscientes en un sentido profundo. En primer…

Mexico counts among the five countries with the highest biodiversity in the world. In the Yucatán Peninsula, there are aquatic ecosystems with a very special microbial diversity. These ecosystems are essential for the ecological equilibrium of the region, and are…

This paper means to show how British Colonialism in India was made possible, and then sustained and strengthened, as much by cultural technologies of rule as it was by the more obvious and brutal modes of conquest. In fact colonialism…