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Análise da variabilidade de raios cósmicos galácticos devido a estruturas solares no meio interplanetário
(Universidade Federal de Santa Maria, 2010-12-10)
Measurements by ground based detectors of Secondary Cosmic Rays Intensity, from primary Galactic Cosmic Rays – GCR, shown several variations series caused by terrestrials and extraterrestrials effects, both of which can ...
Espectroscopia de campo integral da região central da galáxia ativa NGC 4501 no ótico
(Universidade Federal de Santa Maria, 2013-02-06)
Teoria de campo médio com clusters correlacionados aplicada ao modelo de Ising antiferromagnético
(Universidade Federal de Santa Maria, 2014-01-16)
The correlated cluster mean-field theory is an approximative method that has presented good accuracy and low computational cost results when applied to ferromagnetic systems. However, due to its recent publication, the ...
Estimativa de distância da região HII galáctica RCW 87
(Universidade Federal de Santa Maria, 2007-02-27)
In this work we present a espectrophotometric study and a photometric study in the filters B, V , R and I from the stars of the galactic H II region RCW 87 whose coordinates in the celestial equatorial system are α = 15 h ...
Catálogo de intensidades de linhas de emissão de regiões HII
(Universidade Federal de Santa Maria, 2007-02-27)
A catalog of relative emission-line intensities is presented. It contains data on 215 H II regions in the Galaxy, Magellanic Clouds and in others galaxies, all totaling 23 140 emission line intensities. We have determined ...
Estudo dos processos de magnetização em microfios amorfos recobertos por vidro sob efeito de tensões mecânicas
(Universidade Federal de Santa Maria, 2008-01-30)
The study of the magnetization dynamics in amorphous microwires has attracted an increasing interest in the last two decades mainly due to its magnetic behavior characterized by a single and large Barkhausen jump, a feature ...
Caracterização de turbulência completamente desenvolvida através de cumulantes e processos multiplicativos
(Universidade Federal de Santa Maria, 2010-01-12)
In this work we study drainings that present fully developed turbulence, that is, drainings characterized for raised Reynolds numbers. After a theoretical revision based on the model of Kolmogorov of 1941, we study the ...
Aspectos da eletrodinâmica quântica em dimensões espaciais extras
(Universidade Federal de Santa Maria, 2013-03-04)
An explicit evaluation of the pentadimensional Quantum Eletrodynamics (QED5) vacuum polarization tensor is presented. The calculations are made preserving all the intrinsic arbitrariness involved in such type of problem. ...
Estabilidade na camada limite atmosférica e intermitência nas pequenas escalas
(Universidade Federal de Santa Maria, 2008-12-18)
Although the understanding of turbulence is essential in many areas of science and technology, yet very little is known about its structure and its phenomenology. Since the first statistical models of decades of forty and ...
Um estudo da física de sistemas multiplicadores subcríticos acionados por aceleradores
(Universidade Federal de Santa Maria, 2008-01-30)
In this work were reviewed the operation principles of subcritical multiplying systems powered by accelerators (ADS) from the point of view of the neutron transport. To do this it was necessary to characterize theoretically ...