ABSTRACT: This paper presents an experience involving the use of a Bulletin Board System (BBS) for the Project Brazilian Rocks as Alternative Sources of Potassium. It's described the BBS specification, its implementation and the difficulties observed along this processes. The…

ABSTRACT: The Cerrado is one of the richest and most threatened biome in the world and its ecosystem Seasonally dry forest is the one that suffers most antropic pressure. It's important that conservation of The Paranã River Valley increases because…

RESUMO: Por reunirem constituições genéticas de diferentes origens e níveis de melhoramento, os bancos de germoplasma podem constituir-se em ótimas fontes de genes para programas de melhoramento. Para tanto, é fundamental que o melhorista conheça profundamente o germoplasma disponível em…

Good command of anatomy is a basic requirement for studying and practicing clinical disciplines. A common difficulty that faces many medical and dental students (at least this was the case with the author) is how to keep their knowledge of…

Purpose: The aim of this paper is to assess both the philosophical underpinnings and contributions to knowledge made by research in the field of strategy in the five years between 2002 and 2006.

Design/methodology/approach: The paper begins with…

There are different approaches used by mathematics teacher educators to help pre-service primary teachers develop the useful skills and knowledge required to teach mathematics. One of these approaches is concerned to learning to notice relevant aspects in mathematics teaching. But…

La mayor parte de paisajes forestales en gran parte del planeta se han visto transformados en un mosaico de fragmentos de diferentes tamaños y grado de aislamiento, inmersos en una matriz de vegetación con diferentes estados de degradación. Esta transformación…

2007

The ambiguity, robustness and performance of systems becomes increasingly evident as the complexity and size increase in industrial processes. Under these circumstances, conventional control techniques such as PID control, nonlinear feedback control, LQG control and H∞ control have several disadvantages…

2007