2009, Autores: Jorge Blajos, Patrick Lavelle, Dalva M. da Mota, Lucia Pitalluga, Sergio Salles Filho, Jorge Irán Vásquez.

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…

Soybean powdery mildew (Erysiphe diffusa) was considered a minor disease in Brazil in the decades immediately after its identification. However, since the outbreak in 1996/97 in all cultivated areas the disease has become a constant threat to farmers and losses…

In this paper, a method of event ordering based on temporal information resolution is presented. This method consists of two main steps: on the one hand, the recognition and resolution of the temporal expressions that can be transformed on a…

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…

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The Knowledge Society Network (KSN) “takes advantage of new knowledge media to maximize and democratize society’s knowledge-creating capacity” (www.ikit.org/KSN). This article synthesizes the principles and designs of this network which were initiated over 15 years ago, and presents an exploratory…

Durante la preparación de la selección junior autonómica de remo (Comunidad Valenciana, España), se recogieron las características antropométricas de 18 remeros junior masculinos de edad 17,83±3,83 años. A los remeros se le realizaron una valoración anthropometry mediante la técnica basadas…

Este trabajo tiene como objetivo ofrecer un
repaso de la vida de la fundadora de la
enfermería profesional y del contexto histórico-sociocultural en el cual se desarrolló.
Florence Nightingale era la primera teórica de
enfermería, supo aplicar sus conocimientos de…