Ce mémoire s'emploie à étudier les corps quadratiques réels ainsi qu'un élément particulier de tels corps quadratiques réels : l'unité fondamentale. Pour ce faire, le mémoire commence par présenter le plus clairement possible les connaissances sur différents sujets qui sont…

Web-based learning environments are becoming increasingly popular in higher education. One of the most important web-learning resources is the virtual laboratory (VL), which gives students an easy way for training and learning through the Internet. Moreover, on-line collaborative communication represents…

Data mining is at the core of the knowledge discovery process. However, an initial preprocessing step is crucial for assuring reliable results within this process. Preprocessing of data is a time-consuming and non-trivial task since data quality issues should be…

Tesis presentada a la Facultad de Idiomas de la Universidad Veracruzana, Región Xalapa.

This study aimed to trace the development of the implementation of knowledge management initiatives in the public sector institutions in Jordan. The study was compared with precedent study had been conducted in 2004. The results showed there is very little…

Resumo: A expressiva troca de germoplasma com outros países, por meio da importação e exportação de produtos agrícolas representa um aumento no risco de introdução desta praga no Brasil, por isso a importância do levantamento de informações acerca das características…

Knowledge on evapotranspiration is essential in quantifying water use depletion and to allocate scarce water resources to competing uses. Despite that an extensive literature describes the theoretical mechanisms of turbulent water vapour transport above and within crop canopies fewer studies…

The actual knowledge about the freshwater algae of Mexico is very uneven from various points of view, despite its recognized potential as indicators of environmental conditions and to be the basal part of trophic chains in aquatic environments. The largest…

A través de la realización de este proyecto hemos aplicado conocimientos adquiridos en el área mecánica, complementándola con la práctica e investigación para ensamblar y poner operativa una motocicleta con motor de cuatro tiempos para ser donada a la Universidad…

Even though knowledge in itself is nothing new, but how to effectively management it is a concern of all organizations, inclusive of university. In Iraq, there is concern by universities to manage knowledge scientifically in order to keep pace with…