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Síntese e cristaloquímica de complexos de Hg(II) e Ni(II) com o ligante 3-(2-fluorofenil)-1-(4-acetilfenil)triazenido e atividade biológica de triazenos livres
(Universidade Federal de Santa Maria, 2006-07-26)
In this dissertation were synthesized six compounds, of the which four are free triazene ligands and two
are triazenido complex of Hg(II) and Ni(II). The compouns were characterized by melting point, infrared an
UV/VIS ...
Análise estrutural de polímeros bidimensionais de fosfinatos de metais alcalinos e alcalinos terrosos
(Universidade Federal de Santa Maria, 2006-03-03)
In this work, the structures of three alkali and alkali-earth metal complexes of
phenylphosphinate ligands and ethylphosphinate ligands, (4) catena-poli-
[Ba(O2PHPh)2(OH2)], (5) catena-poli-[Na(O2PHPh)] e (6) ...
Antimicrobial ciprofloxacina em efluente hospitalar: exposição ambiental, avaliação de risco e degradação através de processos avançados de oxidação
(Universidade Federal de Santa Maria, 2006-09-01)
In the present study, the presence of the antimicrobial ciprofloxacin (CIP) in effluent from the first-aid clinic of the University Hospital of Santa Maria (PA-HUSM) and its degradation by advanced oxidation processes ...
Processos de magnetização e magnetoimpedância em filmes com exchange bias
(Universidade Federal de Santa Maria, 2006-10-20)
In this work, the magnetization process and the magnetoimpedance effect in thin films with exchange bias were studied. We have investigated NiO/NiFe and NiFe/FeMn/Ta multilayer produced by magnetron sputtering on glass and ...
Determinação de espécies de arsênio, antimônio e chumbo em antimoniato de meglumina por espectrometria de absorção atômica após extração em fase sólida
(Universidade Federal de Santa Maria, 2006-12-01)
In this study, two flow systems with a solid phase extraction were developed for the determination of Sb(III), Pb(II) As(V) and total As by atomic absorption spectrometry in sample of meglumine antimonate, which is the ...
Fotometria CCD UBVRI de aglomerados de estrelas das Nuvens de Magalhães
(Universidade Federal de Santa Maria, 2006-05-19)
We present UBVRI CCD photometry in the Johnson-Cousins photometric system for a sample of twenty nine Magellanic Cloud star clusters (Lindsay 16, 26, 29, 48, 53, 61, 66, 67, 72, 76, 79, 82, 83, 85 of the Small Cloud ...
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 ...
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 - ...
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 ...