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Síntese de derivados do estigmasterol e do ácido ursólico e avaliação de suas atividades biológicas
(Universidade Federal de Santa Maria, 2014-02-28)
The present work describes the synthesis of twenty-two new derivatives (4-25) from stigmasterol (1) and seven new derivatives (26-32) from ursolic acid (2) via esterification and coupling reactions with different amino ...
GPUHELP: um ambiente de apoio à execução de programas paralelos em arquiteturas de GPU
(Universidade Federal de Santa Maria, 2014-03-07)
Faced with complex problems that involve scientific applications, researchers are looking
for new ways to optimize the processing of these, using new concepts and paradigms for parallel
and distributed programming. An ...
Batimetria de pequenos reservatórios através de metodologia convencional e alternativa
(Universidade Federal de Santa Maria, 2013-02-19)
For legal use of artificial water reservatories, it is necessary liberation of competent authorities granting the request for water use. The application requires extensive information about the object to be measured. When ...
Algoritmo genético acoplado a um método multi-grid e a teoria dos grafos para determinação da estrutura de equilíbrio de aglomerados atômicos
(Universidade Federal de Santa Maria, 2012-12-14)
In this work we present a proposal to improve Genetic Algorithm method by coupling
it to the techniques of discretization of the configurational space via the multi-grid
methodology, and by employing a topological selection ...
Avaliação de ações preventivas de riscos utilizando teoria de decisão e redes de Petri coloridas
(Universidade Federal de Santa Maria, 2012-04-18)
Risk management in software projects involves the definition of actions to
prevent risks identified for the project in order to minimize their effects or eliminate
them.The definition of preventive actions, and especially ...
Congelamento inverso em um modelo de vidro de spin fermiônico
(Universidade Federal de Santa Maria, 2012-10-03)
The present work studies the counterintuitive phenomenon of inverse transitions (IT). The
IT are a class of phase transitions (reversible) in which the ordered phase appears at higher
temperatures than the disordered ...
Automação no processo de vetorização de áreas de interesse e buffer variável sobre imagens de satélite
(Universidade Federal de Santa Maria, 2012-08-02)
The constant improvement in computer application development techniques,
combined with the technological advancement of electronic devices that support such
systems, comes with the most contributing significantly different ...
Influência da precipitação pluviométrica na reflectância espectral da água do reservatório Passo Real, RS
(Universidade Federal de Santa Maria, 2012-03-22)
The water s reflectance related to pluviometric rate allows a characterization of natural and severe changes on the water s metabolism. Accordingly, the purpose of this research is to establish a relation between pluviometric ...
Sensibilidade às parametrizações físicas do WRF nas previsões dos parâmetros atmosféricos em shetland do sul e deception
(Universidade Federal de Santa Maria, 2013-02-05)
The Weather Research and Forecasting model (WRF) was executed with high resolution and
three nested grids of 12 km, 3 km and 1 km in the South Shetland and particularly in
Deception Island s bay, during the period from ...
Síntese, análise estrutural e caracterização de seleninatos de manganês (II)
(Universidade Federal de Santa Maria, 2012-03-09)
In this study three novel compounds were synthesized and characterized from pre-ligands phenylseleninic acid 1, 4-methylphenyilseleninic acid 2 , 4-chlorophenylseleninic acid 3 and 4-bromophenylseleninic acid 4. The reactions ...