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Coexistência de supercondutividade e charge density wave em um regime correlacionado
(Universidade Federal de Santa Maria, 2021-04-28)
The strongly correlated electron systems raise the interest of researchers from different
areas. However, one of the main categories of those are the unconventional superconductors,
also known as high-Tc superconductors. ...
Determinação de cloreto em petróleo por espectrometria de absorção molecular de alta resolução com forno de grafite e fonte contínua
(Universidade Federal de Santa Maria, 2015-07-14)
In this work some procedures were proposed in order to enable the determination of
chlorine in petroleum by using high resolution continuum source graphite furnace and
molecular absorption spectrometry (HR-GF-MAS). ...
Extração, composição química e avaliação das atividades de inibição enzimática e antimicrobiana de Leonurus sibiricus L.
(Universidade Federal de Santa Maria, 2016-02-25)
In this study, methanolic and acid methanolic extracts were prepared from the aerial parts of Leonurus sibiricus L. and six secondary metabolites were isolated: the triterpene squalene (28), the labdane-type diterpenoid ...
O lugar na construção de mapas mentais no Parque da Redenção em Porto Alegre - RS
(Universidade Federal de Santa Maria, 2019-04-01)
The present study originated from the interest in comprehending how subjects who experience Redenção Park in Porto Alegre perceive it as a place. The Redenção Park is one of the most visited and attended green spaces in ...
Uma sistemática baseada no reuso de atividades para adaptação de processos de software utilizando linhas de processos de software
(Universidade Federal de Santa Maria, 2014-09-01)
Software process definition requires choosing the process elements that appropriately
fulfil the tailoring requirements, such as to prevent risks or to satisfy quality goals. The selection
of appropriate process elements ...
Avaliação de métodos de preparo de amostras para a determinação de halogênios em plantas medicinais
(Universidade Federal de Santa Maria, 2015-07-21)
In this work, four sample preparation methods were evaluated for further determination of halogens (F, Cl, Br e I) in medicinal plants. The evaluated sample preparation methods were microwave-induced combustion (MIC), ...
Rotâmeros de [2]rotaxanos: estudo do efeito do macrociclo sobre o eixo molecular
(Universidade Federal de Santa Maria, 2017-07-20)
This work presents the synthesis of three new threads and three new [2]rotaxanes models that have asymmetric stopprs, which allows rotamers to be obtained. The synthesis of the [2]rotaxanes was performed by clipping reaction, ...
Síntese de 1,4-diazaciclo-2-ilidenos N-pirrolil/furanil substituídos
(Universidade Federal de Santa Maria, 2018-08-06)
This work presents the synthesis of piperazines, 1,4-diazepanes and 1,4-diazocanes
pyrrolyl or furanyl-functionalized at the N4 position of the diazacycle. In this manner, four series
of compounds were prepared, with a ...
Síntese e dinâmica rotacional de [2]rotaxanos contendo 1-benzidrilpiperazina no eixo molecular
(Universidade Federal de Santa Maria, 2020-02-03)
This dissertation describes the synthesis of molecular the threads ((E)-1,4-bis(4-benzydrylpiperazin-1-yl)but-2-ene-1,4-dione, 1,4-bis(4-benzydrylpiperazin-1-yl)butan-1,4-dio ne, (E)-1,4-bis(dibutylamine)but-2ene-1,4-dione ...
Determinação sequencial de contaminantes inorgânicos em formulações minerais e fitoterápicas empregando métodos voltamétricos
(Universidade Federal de Santa Maria, 2011-07-12)
In this work, the voltammetric determination of the sequential elements Uranium, Vanadium, Antimony, Cadmium, Lead, Zinc, Chromium and Thallium have been studied in several arrays considering that all these elements are ...