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Síntese de 2-[5-Aril-3-(E-estir-1-il)-4,5-Diidro-1H-pirazol-1-il]-4-Fenil-6-Trifluormetilpirimidinas
(Universidade Federal de Santa Maria, 2005-08-15)
The synthesis of a series of 2-[5-aryl-3-(E-styr-1-yl)-4,5-dihydro-1H-pyrazol-1-yl]-4-phenyl-6-trifluoromethylpyrimidines (where aryl = C6H5, 2-MeC6H4, 2-MeOC6H4, 4-MeOC6H4, 3,4-(MeO)2C6H3, 3,4,5-(MeO)3C6H2, 4-ClC6H4) in ...
Desenvolvimento de método de quantificação de estatinas em efluente hospitalar e estudo de degradação oxidativa avançada
(Universidade Federal de Santa Maria, 2015-12-18)
In this study, an analytical method was developed for the quantification of statins Atorvastatin and Simvastatin, in hospital effluent (University Hospital of Santa Maria, using Solid phase extraction and Dispersive ...
Decomposição assistida por radiação micro-ondas e ultravioleta para posterior determinação de níquel, vanádio e enxofre em coque de petróleo
(Universidade Federal de Santa Maria, 2013-07-12)
The presence of Ni, V and S in petroleum coke is undesirable because can cause poisoning in catalysts used in refining processes and problems during the coke burning such as SOX emissions, abrasion and fouling of the ...
Decomposição de polímero à base de enxofre para posterior determinação de Ca, Fe e Na por ICP OES
(Universidade Federal de Santa Maria, 2010-01-18)
In this work different procedures were evaluated for the decomposition of a
sulfur-based commercial polymer, with subsequent Ca, Fe and Na determination,
elements present in additives, using inductively coupled plasma ...
Decomposição de suplemento mineral por piroidrólise para a determinação de halogênios
(Universidade Federal de Santa Maria, 2006-03-10)
In this work it is proposed a method for fluorine (F), bromine (Br) and iodine (I) determination in mineral-feedingstuff after sample decomposition by pyrohydrolysis. Fluoride is determined potentiometrically by means of ...
Estudo do óleo essencial e extrato hexânico da casca do caule de Schinus lentiscifolius
(Universidade Federal de Santa Maria, 2015-04-06)
Many advances in science and industry were inspired by research in natural products, and play an important role in the evolution of organic synthesis, as many methods have been inserted by the efforts in the total synthesis ...
Determinação voltamétrica de tiofenos, sulfetos, sulfóxidos e sulfonas em matrizes asfálticas empregando eletrodo de mercúrio
(Universidade Federal de Santa Maria, 2016-02-26)
Sulfur compounds in petroleum asphalt cement (CAP) are related to quality parameters such as reactivity, corrosivity, pollution potential and are directly related to the aging of the asphalt. In this work, a voltammetric ...
Estudo teórico da interacção de oxigênio com nanotubos de BC2N
(Universidade Federal de Santa Maria, 2011-04-19)
Using first principles calculations based on the Density Functional Theory (DFT)
with spin polarization and norm conserving fully separable pseudopotentials, we have
studied the structural and electronic properties of the ...
Estudo de impureza de európio em PbSe e PbTe. Uma investigação de primeiros princípios
(Universidade Federal de Santa Maria, 2014-01-30)
In this work properties were studied the structural, electronic and magnetic semiconductors
PbSe and PbTe doped with europium (Eu) in the crystalline phase. The
investigation is performed within the density functional ...
Caracterização de filmes finos magnéticos em altas frequências
(Universidade Federal de Santa Maria, 2014-08-29)
In order to determine the complex permeability of ferromagnetic samples in the GHz
range, measurement techniques with transmission lines are most appropriate. These techniques
use the modification of the scattering ...