Encontrados 308 documentos, a visualizar página 1 de 31
Electron-scale shear instabilities: magnetic field generation and particle acce...
Alves, E. P.; Grismayer, T.; Fonseca, R. A.; Silva, L. O.WOS:000333714500001 (Nº de Acesso Web of Science) ; Strong shear flow regions found in astrophysical jets are shown to be important dissipation regions, where the shear flow kinetic energy flow is converted into electric and magnetic field energy via shear instabilities. The emergence of these self-consistent fields makes shear flows significant sites for radiation emission and particle acceleration. We focus ...
Exploring the nature of collisionless shocks under laboratory conditions
Stockem, A.; Fiuza, F.; Bret, A.; Fonseca, R. A.; Silva, L. O.WOS:000331215400005 (Nº de Acesso Web of Science) ; Collisionless shocks are pervasive in astrophysics and they are critical to understand cosmic ray acceleration. Laboratory experiments with intense lasers are now opening the way to explore and characterise the underlying microphysics, which determine the acceleration process of collisionless shocks. We determine the shock character – electrostatic or electro...
Prácticas de Prescripción de Nutrición Parenteral Neonatal en Portugal
Neves, A; Pereira-da-Silva, L; Fernandez-Llimos, FIntroducción: La utilización de normas de orientación para la nutrición parenteral neonatal mejora la eficiencia y la seguridad de su prescripción. Objetivo: Evaluar la práctica de prescripción de nutrición parenteral neonatal en Portugal y el cumplimiento del Consenso Nacional (2008). Métodos: Encuesta de respuesta múltiple sobre la prescripción de nutrición parenteral (NP) enviada a los coordinadores de las 5...
Is Intrauterine Growth Appropriate to Monitor Postnatal Growth of Preterm Neona...
Pereira-da-Silva, L; Virella, DWhen using the useful 2013 Fenton Chart, data should be interpreted with caution taking into account two aspects: the physiologic loss of body water after birth for the weight curves, and the questionable accuracy of the birth length curves considering the heterogeneity and reliability of the methods used in the original measurements.
Human skin cell fractions fail to self-organize within a gellan gum/Hyaluronic ...
Cerqueira, M. T.; Silva, L. P. da; Santos, T. C.; Pirraco, Rogério; Correlo, V. M.; Marques, A. P.; Reis, R. L.Split-thickness autografts still are the current gold standard to treat skin, upon severe injuries. Nonetheless, autografts are dependent on donor site availability and often associated to poor quality neoskin. The generation of dermal–epidermal substitutes by tissue engineering is seen as a promising strategy to overcome this problematic. However, solutions that can be safely and conveniently transplanted in o...
Treatment planning systems dosimetry auditing project in Portugal
Lopes, MC; Cavaco, A; Jacob, K; Madureira, L; Germano, S; Faustino, S; Lencart, J; Trindade, M; Vale, J; Batel, V; Sousa, M; Bernardo, A; Brás, SBACKGROUND AND PURPOSE: The Medical Physics Division of the Portuguese Physics Society (DFM_SPF) in collaboration with the IAEA, carried out a national auditing project in radiotherapy, between September 2011 and April 2012. The objective of this audit was to ensure the optimal usage of treatment planning systems. The national results are presented in this paper. MATERIAL AND METHODS: The audit methodology simu...
Hábitos de Leitura em Contexto Familiar
Silva, L.; Cabral, A.P.Relatório apresentado para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Educação Pré Escolar e Ensino do 1º ciclo do Ensino Básico.
Treatment planning systems dosimetry auditing project in Portugal
Lopes, MC; Cavaco, A; Jacob, K; Madureira, L; Germano, S; Faustino, S; Lencart, J; Trindade, M; Vale, J; Batel, V; Sousa, M; Bernardo, A; Brás, SBACKGROUND AND PURPOSE: The Medical Physics Division of the Portuguese Physics Society (DFM_SPF) in collaboration with the IAEA, carried out a national auditing project in radiotherapy, between September 2011 and April 2012. The objective of this audit was to ensure the optimal usage of treatment planning systems. The national results are presented in this paper. MATERIAL AND METHODS: The audit methodology simu...
Treatment planning systems dosimetry auditing project in Portugal
Lopes, MC; Cavaco, A; Jacob, K; Madureira, L; Germano, S; Faustino, S; Lencart, J; Trindade, M; Vale, J; Batel, V; Sousa, M; Bernardo, A; Brás, SBACKGROUND AND PURPOSE: The Medical Physics Division of the Portuguese Physics Society (DFM_SPF) in collaboration with the IAEA, carried out a national auditing project in radiotherapy, between September 2011 and April 2012. The objective of this audit was to ensure the optimal usage of treatment planning systems. The national results are presented in this paper. MATERIAL AND METHODS: The audit methodology simu...
Hiperglicinémia Não Cetótica: A Propósito de Dois Casos Tratados com Dextrometo...
Silva, L. Pereira da; Carvalho, A.; Videira Amaral, J. M.; Sequeira, S.; Cabral, P.; Gonçalves, H.; Serrano, A.; Galha, H.; Cabral, A.A hiperglicinémia não cetótica é um erro inato da degradação da glicina, resultando na sua excessiva acumulação nos tecidos corporais, designadamente no sistema nervoso central. Trata-se de uma doença muito grave e uma das terapêuticas recentemente propostas consiste na associação do dextrometorfano com o benzoato de sódio em altas doses. Admite-se a possibilidade de o dextrometorfano bloquear o complexo-canal ...
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