Navegação Ciências Exatas e da Terra por Título
Resultados 1925-1944 de 5948
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f0(1370) decay in the Fock-Tani formalism
(2007) [Artigo de periódico]We investigate the two-meson decay modes for f0(1370). In this calculation we consider this resonance as a glueball. The Fock-Tani formalism is introduced to calculate the decay width. -
Facebook : um possível espaço digital de aprendizagem cooperativa da matemática
(2012) [Artigo de periódico]O artigo apresenta um recorte de uma pesquisa-ação de doutoramento em Informática na Educação Matemática, que define espaço de aprendizagem digital da matemática, como exemplo a rede social Facebook, e aponta a aprendizagem ... -
Factors associated with hospital mortality in Rio Grande do Sul SUS network in 2005 : application of a multilevel model
(2010) [Artigo de periódico]Objective: To use a multilevel analysis methodology to evaluate hospital mortality from the data available in the Hospital Information System of the National Unified Health System. Methods: Cross-sectional study with data ... -
Factors associated with post-diagnosis pregnancies in women living with HIV in the south of Brazil
(2017) [Artigo de periódico]Objectives To analyze the factors associated with the occurrence of pregnancies after the diagnosis of infection by HIV. Methods Cross-sectional study with women of a reproductive age living with HIV/AIDS cared for in the ... -
Factors associated with the successful aging of the socially-active elderly in the metropolitan region of Porto Alegre
(2005) [Artigo de periódico]Objetivo: Identificar fatores associados ao envelhecimento bem-sucedido de idosos socialmente ativos da Região Metropolitana de Porto Alegre. Métodos: Estudo transversal com 400 idosos. Pela análise de conglomerados, ... -
Faint open clusters with 2MASS : BH 63, Lynga 2, Lynga 12 and King 20
(2006) [Artigo de periódico]Context. Structural and dynamical parameters of faint open clusters are probed with quality 2MASS-photometry and analytical procedures developed for bright clusters. Aims. We derive fundamental parameters of the faint open ... -
A falácia da culpabilização do professor pelo fracasso escolar
(2018) [Artigo de periódico]Por meio de um estudo empírico, este trabalho apresenta uma crítica ao discurso que afirma que os problemas na formação de professores podem ser a principal causa do fraco desempenho dos alunos em testes escolares e em ... -
Farthest neighbor : the distant Milky Way satellite Eridanus II
(2017) [Artigo de periódico]We present Magellan/IMACS spectroscopy of the recently discovered Milky Way satellite EridanusII (Eri II). We identify 28 member stars in EriII, from which we measure a systemic radial velocity of vhel = 75.6 1.3 (stat.) ... -
A fast and accurate approach for computing the dimensions of boxes from single perspective images
(2006) [Artigo de periódico]This paper describes an accurate method for computing the dimensions of boxes directly from perspective projection images acquired by conventional cameras. The approach is based on projective geometry and computes the box ... -
Fast fragmentation of networks using module-based attacks
(2015) [Artigo de periódico]In the multidisciplinary field of Network Science, optimization of procedures for efficiently breaking complex networks is attracting much attention from a practical point of view. In this contribution, we present a ... -
Fast generation of ultrastable computer glasses by minimization of an augmented potential energy
(2019) [Artigo de periódico]We present a model and protocol that enable the generation of extremely stable computer glasses at minimal computational cost. The protocol consists of an instantaneous quench in an augmented potential energy landscape, ... -
Fate of topological states in incommensurate generalized Aubry-André models
(2016) [Artigo de periódico]We study one-dimensional optical lattices described by generalized Aubry-André models that include both commensurate and incommensurate modulations of the hopping amplitude. This brings together two interesting features ... -
Fatores de sucesso para aplicação de métodos MASP por meio de sistemas de informação
(2015) [Artigo de periódico]A análise e solução de problemas relacionados à qualidade é uma necessidade no contexto industrial. Tal processo deve ser realizado de forma ágil e eficiente para que uma organização possa ser competitiva. O uso de sistemas ... -
O fatorial no infinito
(1988) [Artigo de periódico]O objetivo deste trabalho é investigar a clássica questão da medida da velocidade com que a fatorial tende ao infinito. Pretendemos dar uma visão panorâmica desse problema e apresentar várias provas elementares da principal ... -
FECO-based observations of birefringence at normal incidence in optical coatings
(1985) [Artigo de periódico]Resumo não disponível -
Feedback imediato em ambientes informatizados através de vídeos na disciplina de matemática
(2018) [Artigo de periódico]No contexto escolar, a avaliação permeia todo o processo ensino-aprendizagem. Entretanto, muitas vezes a avaliação tem simplesmente o caráter comparativo e classificatório, sem atender às necessidades individuais dos alunos ... -
Feeding and feedback in NGC 3081
(2016) [Artigo de periódico]We present two-dimensional gaseous kinematics of the inner 1.2 × 1.8 kpc2 of the Seyfert 2 galaxy NGC 3081, from optical spectra (5600–7000 Å) obtained with the Gemini Multi Object Spectrograph integral field spectrograph ... -
Feeding and feedback in the inner kiloparsec of the active galaxy NGC 2110
(2014) [Artigo de periódico]We present two-dimensional gaseous kinematics of the inner 1.1 × 1.6 kpc² of the Seyfert 2 galaxy NGC 2110, from optical spectra (5600–7000 Å) obtained with the GeminiMulti Object Spectrograph integral field spectrograph ... -
Feeding behavior of finishing pigs under diurnal cyclic heat stress
(2023) [Artigo de periódico]The impact of cyclic heat stress (CHS) and turning the lights on and off on pig feeding behavior (FB) was investigated. The FB of 90 gilts was recorded in real-time under two ambient temperatures (AT): thermoneutrality ... -
Feeding versus feedback in active galactic nuclei from near-infrared integral field spectroscopy : XII. NGC 5548
(2017) [Artigo de periódico]We map the gas excitation and kinematics, and the stellar population properties of the Seyfert 1 galaxy NGC 5548 using Gemini Near Infrared Integral Field Spectrograph in the J and K bands at a spatial and velocity resolution ...
