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Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Níveis baixos de hemoglobina aumentam a negligência espacial unilateral na fase aguda do acidente vascular cerebral
Objetivo O objetivo do estudo foi avaliar a relação entre a negligência espacial unilateral (NEU) e hemoglobina (Hb) na fase aguda do acidente vascular cerebral (AVC). Método Foi realizado estudo transversal em pacientes com AVC de hemisfério direito dentro das primeiras 48 horas do ictus. Variáveis independentes: nível de Hb (mg/dL); Desfecho: NEU
Arq. Neuro-Psiquiatr.. Publicado em: 2014-10
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2. Evolução da forma organizacional na população de bancos múltiplos no Brasil: um estudo da relação entre diversidade, idade e mortalidade organizacional
This study analyzes the demography of the multiple banks in Brazil by utilizing longitudinal data which expands between periods of 1988 until 2009. The purpose of this research is analyzes the evolution of multiple banks, on these aspects: organizational diversity, age and mortality. Mainly, a multiple banks origin can be: a) bank sector when the multiple ba
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/02/2011
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3. Aspects of nonmetricity in gravity theories
In this work, we show that a class of metric-affine gravities can be reduced to a Riemann-Cartan one. The reduction is based on the cancelation of the nonmetricity against the symmetric components of the spin connection. A heuristic proof, in the Einstein-Cartan formalism, is performed in the special case of diagonal unitary tangent metric tensor. The result
Brazilian Journal of Physics. Publicado em: 2010-12
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4. Multiloop calculations with implicit regularization in massless theories
We establish a systematic way to calculate multiloop amplitudes of infrared safe massless models with Implicit Regularization (IR), with a direct cancelation of the fictitious mass introduced by the procedure. The ultraviolet content of such amplitudes have a simple structure and its separation permits the identification of all the potential symmetry violati
Brazilian Journal of Physics. Publicado em: 2010-06
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5. Regeneração de atrofia de substância branca após a cirurgia de epilesia: evidências estruturais através da morfometria baseada em voxel
OBJECTIVES: To study pre and postoperative WMA in MTLE patients. METHODS: We performed Voxel-Based Morphometry (VBM) with volume of interest (VOI) in 69 controls (mean age, 34.3±11.1 years) and 67 operated patients (mean age, 34.1±10.4 years) with unilateral MTLE. 34 became seizure-free (SzFree-Group), 23 improved (Engel IB-IIA [Partial recovery-group]) an
Journal of Epilepsy and Clinical Neurophysiology. Publicado em: 2009-03
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6. Modelagem de redes CDMA-PON baseadas em técnicas de cancelamento paralelo e códigos corretores de erros / Modeling of CDMA-PON networks using parallel interference cancellation and error correcting codes techniques
The advent of new services offered to end users, such as the so called triple play, which consists in the simultaneous traffic of voice, video, and data through the same communication infrastructure, has been pushing telecom operators towards providing adequate bandwidth as well as quality of service. This has brought the spotlight to passive optical network
Publicado em: 2009
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7. Reduction of structural vibration induced by solar array drive mechanisms using input shaping control techniques / Redução de vibrações estruturais induzidas pelo mecanismo de acionamento da asa de painéis solares, usando a técnica de formatação do sinal de entrada
The input shaping technique was employed in this work to reduce the vibration effect at a flexible beam, caused by a step motor actuator. The technique is based on the cancellation of poles of the system by allocating zeros on or near poles. The switching sequence of the step motor was designed in a strategic way so that the vibration produced by the train o
Publicado em: 2008
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8. Redução de vibrações estruturais induzidas pelo mecanismo de acionamento da asa de painéis solares, usando a técnica de formatação do sinal de entrada / Reduction of structural vibration induced by solar array drive mechanisms using input shaping control techniques
A técnica de formatação do sinal de entrada foi empregada nesse trabalho para minimizar os efeitos vibratórios sobre uma viga flexível, causados por um atuador tipo motor de passo. A técnica é baseada no cancelamento de pólos do sistema, alocando-se zeros sobre ou próximos aos pólos. A seqüência de acionamento do motor de passo foi projetada de f
Publicado em: 2008
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9. O Teorema do h-cobordismo e a conjectura generalizada de PoincarÃ
The work of the following way In the first chapter it is developed to a list definitions and theorems that we found but important on subjects such as Topology, Differential Manifolds and aspects of the Algebraic Topology, which will be used in the following chapters. We considered advisable to indicate the demonstrations of the theorems, thus, like commentar
Publicado em: 2005
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10. Cytosolic calcium transients from the beating mammalian heart.
To elucidate the role of cytosolic calcium, [Ca2+]i, in the physiology of the normal and ischemic heart, we have developed a method for recording [Ca2+]i transients from the epicardial surface of the rabbit ventricle after arterial perfusion with the cell-permeant cytosolic calcium indicator indo-1 AM. Hearts were illuminated at 360 nm, and fluorescence was