814 resultados para Micro-grid
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Increased accessibility to high-performance computing resources has created a demand for user support through performance evaluation tools like the iSPD (iconic Simulator for Parallel and Distributed systems), a simulator based on iconic modelling for distributed environments such as computer grids. It was developed to make it easier for general users to create their grid models, including allocation and scheduling algorithms. This paper describes how schedulers are managed by iSPD and how users can easily adopt the scheduling policy that improves the system being simulated. A thorough description of iSPD is given, detailing its scheduler manager. Some comparisons between iSPD and Simgrid simulations, including runs of the simulated environment in a real cluster, are also presented. © 2012 IEEE.
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Proporciona las instrucciones necesarias para utilizar el Sistema de Información Bibliográfica de CEPAL en una computadora personal IBM o similar, dotada del sistema operativo PC-DOS o MS-DOS y del sistema Micro CDS/ISIS. Comprende 1) la instalación del sistema en la computadora, 2) demostración de sus capacidades, 3) descripción de los diferentes elementos que lo componen, 4) instrucciones para llevar a cabo las diferentes tareas bibliográficas, 5) instrucciones para la creación de una base de datos.
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Incluye Bibliografía
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Presenta la coordinación o unión de las expresiones de búsqueda.
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Tiene por objetivo facilitar al personal de las unidades de información de la Red IPALCA la realización de funciones utilizando el Mini-Micro CDS/ISIS.
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Contiene el procedimiento de instalación del Microisis modificado y del Sistema de Información Bibliográfica de CEPAL para la Red IPALCA.
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Incluye Bibliografía
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Explica literales y comandos para espaciador horizontal y vertical y otros de los formatos de despliegue del mini-micro CDS/ISIS.
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Contiene ayuda memoria para la exportación de una base, creación de archivo PAR, creación de subdirectorio y copia de archivos para lo cual se requiere tener instalado el Mini Micro ISIS versión 1.0 y 2.3 Red IPALCA.
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Presenta los símbolos que se utilizan en la búsqueda de información en una base de datos, tanto las realizadas en el archivo invertido, como en búsquedas libres en el texto, con la indicación de la operación que cumplen y un ejemplo de uso.
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Incluye Bibliografía
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Includes bibliography
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Includes bibliography
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Incluye Bibliografía
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The aim of this study was to compare two endodontic preparation systems using micro-CT analysis. Twenty-four one-rooted mandibular premolars were selected and randomly assigned to two groups. The samples (n = 12) of Group 1 were prepared using the ProTaper Universal rotary system, while Group 2 (n = 12) was prepared using the EndoEZE AET system complemented by manual apical preparation with K-type hand files up to #30. A 2.5% sodium hypochlorite solution was used in both groups for irrigating. Both groups were scanned by highresolution microcomputed tomography before and after preparation (SkyScan 1172, SkyScan, Kontich, Belgium). The root canal volume and surface area was measured before and after preparation, and the differences were calculated and analyzed for statistically significant differences using ANOVA complemented by the Tukey test (p < 0.05). The results showed no statistically significant differences between the mean volumes of dentin removal by the two systems. However, the EndoEZE AET system presented a significantly greater mean surface area compared to the ProTaper system (p < 0.05). The EndoEZE AET system enabled preparation of a greater root canal surface area when compared to the ProTaper Universal system. There seemed to be no difference in dentin volume loss between the two systems used.