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Pirazolo[1,5-a]pirimidinas: síntese e bromação
(Universidade Federal de Santa Maria, 2006-01-27)
The synthesis of a series of 2-methyl-7-trichloromethylpyrazolo[1,5-a]pyrimidines from the cyclocondensation reaction of 3-amino-5-methylpyrazole with 1,1,1-trichloro-4- alkoxyalk-3-en-2-ones [CCl3C(O)CH=C(R1)OR where R1 ...
Passivo ambiental em propriedades rurais: Ilha das Flores - Porto Alegre - RS
(Universidade Federal de Santa Maria, 2006-04-12)
The acceleration of the global economy and shifting demographic changes has caused an uncontrolled exploration of the worlds natural renewable and non-renewable resources. Not only have the levels of these resources decreased ...
Hipoelipticidade para operadores lineares com coeficientes constantes
(Universidade Federal de Santa Maria, 2022-12-06)
In this dissertation, we wish to present the proof of the Elliptic Regularity Theorem and the characterization of hypoelliptic linear operators with constant coefficients due to Lars Hörmander’s.
Estudo da interação entre as vitaminas lipossolúveis com cádmio e chumbo por ASV em meio orgânico
(Universidade Federal de Santa Maria, 2006-09-15)
In this work two voltammetric methods were investigated to study the interaction between metals, Cd and Pb, and fat-soluble vitamins (retinol palmitate VA; cholecalciferol VD; α-tocopherol acetate VE; filloquinona - ...
Caracterização da transição de regimes de escoamento na camada limite noturna sobre diferentes superfícies
(Universidade Federal de Santa Maria, 2022-12-23)
In the present study, the proposal of Acevedo et al. (2021) was applied to a dataset of 63 sites
of the AmeriFlux network, installed in regions with 6 different surface classifications. From the
application of the ...
Síntese de sulfetos e selenetos oxazolidínicos: catalisadores quirais na adição de dietilzinco ao benzaldeído
(Universidade Federal de Santa Maria, 2002-10-17)
Não foi possível inserir o abstract.
Estudo fitoquímico e da atividade antimicrobiana de Waltheria douradinha Saint Hilaire
(Universidade Federal de Santa Maria, 2006-07-31)
Native species of the flora from South Brazil are the aim of the research of the Núcleo de Pesquisa de Produtos Naturais of Federal University of Santa Maria, Brazil. One of the most studied families is the Sterculiaceae ...
Modelagem da elevação do terreno com altimetria convencional e GPS
(Universidade Federal de Santa Maria, 2006-07-07)
The Global Positioning System has all heights referred to the ellipsoid. However, for engineering applications it is necessary to have heights related to the earth gravitational field, which have physical meaning. In order ...
Determinação de metais como contaminantes em formulações de eritropoetina empregando métodos voltamétricos
(Universidade Federal de Santa Maria, 2007-07-20)
The contamination of renal failure patients by metals can be associated to the presence of these metals in the medication, since they can be absorbed by the organism. The level of contamination caused by medication, in ...
Deposição de nano-grãos de Co em uma matriz de CoO/Al2O3 por Magnetron Sputtering
(Universidade Federal de Santa Maria, 2007-10-20)
Granular magnetic systems can be composed by magnetic particles or clusters with size of some nanometers. These magnetic nanoparticles present different magnetic order phases, as superparamagnetic, and they can be embedded ...