The purpose of this analysis is to improve understanding of executive leadership in school improvement networks: for example, networks supported by comprehensive school reform providers, charter management organizations, and education management organizations. In this analysis, we review the literature on…

, O Fator de Impacto de 2009 da Acta Scientiarum. Technology pelo JCR foi 0,276 e o de 2010 é 0,150. O Objetivo da revista é adquirir maior visibilidade tanto Nacional como Internacional. Nesse contexto, o Conselho Editorial da revista…

This calculation is based on calculation of torque components of induction machines. Basic torque components are expanded, using knowledge of machine’s geometry, to the periphery of machine’s rotor. Using Fourier analysis of torque components it is possible to calculate forces…

For the expansion of PLC systems, it is necesssary to have a detailed knowledge of the PLC transmission channel properties. This contribution shortly discusses characteristics of the PLC environment and a classification of PLC transmission channels. A main part is…

La critica morantiana ha ormai documentato il fatto che Elsa Morante aveva una profonda conoscenza delle filosofie e delle tradizioni letterarie orientali, anche se ancora non esistono studi che approfondiscano specificamente gli esiti teorici e formali di tali letture nell’opera…

This article takes down the knowledge with determination of criteria weights in the terms of computer software of superconductive materials. This software relieves processing of considerable enters data. The criteria of the weights were determinated by Fuller triangle and Saaty´s…

This article offers a critical synthesis of the knowledge obtained in the wake of the work of the Comite d’experts sur l’apprentissage de l’écriture (Committee of experts on learning to write), which published a report entitled, « Mieux soutenir le…

Despite the many assumptions that usually surround the importance of science education for scientific practice, scholarship on the history of subject has been scattered and usually undertaken en route to other pursuits. In this research, I aim to bring to…

Can children genuinely create new knowledge, as opposed to merely carrying out activities that resemble those of mature scientists and innovators? The answer is yes, provided the comparison is not to works of genius but to standards that prevail in…

Using the underlying idea of the current-mode control, a new dynamical, sliding-mode control for the boost dc-dc converter is proposed. Such controller is easy to design, robust under load and input voltage variations, exhibits fast response, does not depend on…