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Determinação de elementos terras raras em petróleo e resíduos de destilação por USN-ICP-MS após digestão em câmara única de reação assistida por radiação micro-ondas
(Universidade Federal de Santa Maria, 2016-02-23)
In this work, a method for heavy crude oil, atmospheric residue (AR) and vacuum residue (VR) digestion using microwave-assisted wet digestion in a single reaction chamber in UltraWave® system (MAWD-SRC) was proposed. Three ...
Desenvolvimento de métodos de preparo de amostras de erva-mate para a posterior determinação de As, Cd e Pb por GF AAS e ICP-MS
(Universidade Federal de Santa Maria, 2016-08-04)
In this work, the following methods for yerba mate digestion/extraction for further determination of As, Cd and Pb by graphite furnace atomic absorption spectrometry (GF AAS) and/or inductively coupled plasma mass spectrometry ...
Jogo sério ubíquo integrado a mundo virtual OpenSim para o ensino de redes de computadores (Jaspion)
(Universidade Federal de Santa Maria, 2016-03-14)
The use of digital serious games and games-based learning has contributed to the expansion of new educational paradigms, where the use of computing resources is mixed with the traditional way of teaching. In addition to ...
Determinação de compostos fenólicos como marcadores analíticos em extratos de plantas medicinais da Amazônia por UHPLC-ESI-MS/MS
(Universidade Federal de Santa Maria, 2016-11-16)
A method for separation, identification and quantification of 24 phenolic compounds using
ultra-high performance liquid chromatography coupled to tandem mass spectrometry (UHPLCMS/
MS) was developed and validated. Six ...
Extração e adsorção de HPAs através de transferência gás- sólido (XAD-2 e EPU) utilizando dispositivo de extração e coleta
(Universidade Federal de Santa Maria, 2017-04-27)
Polycyclic Aromatic Hydrocarbons (PAHs) are organic compounds formed by two or more condensed aromatic rings. These compounds are important organic pollutants and due to their harmful action their concentrations in the ...
Proxy CC – reserva de banda dinâmica baseada em contexto
(Universidade Federal de Santa Maria, 2017-01-26)
This dissertation consists of presenting a proposal to the use of the context-aware computing
paradigm to availability of computer resources to institutions, in view of the increasing need
for efficiency and effectiveness ...
Decomposição assistida por radiação micro-ondas e ultravioleta de resíduos de equipamentos elétricos e eletrônicos para determinação de Br, Cd, Cr, Hg, Pb e Sb
(Universidade Federal de Santa Maria, 2017-03-09)
In this work, a method for ultraviolet and microwave-assisted wet digestion (MAWD-UV) was developed for digestion of waste electrical and electronic equipment (WEEE) for further determination of Br, Cd, Cr, Hg, Pb and Sb ...
Determinação de elementos traço em carvão por amostragem de sólidos e vaporização eletrotérmica acoplada à espectrometria de massa com plasma indutivamente acoplado
(Universidade Federal de Santa Maria, 2017-07-28)
In this work, a method using solid sampling electrothermal vaporization inductively coupled plasma mass spectrometry (SS-ETV-ICP-MS) for the determination of As, Sb, Se and Te in mineral coal was developed. The following ...
Um processo para extração de esquemas conceituais em fontes de dados JSON baseado em técnicas de similaridade de texto
(Universidade Federal de Santa Maria, 2017-06-29)
NoSQL (Not Only SQL) data models have been notable for their promise of schema
flexibility and scalability considering the large volume of data. Their flexibility allows, for
example, that documents within the same ...
Métodos simplificados de síntese de copolímeros através da combinação das técnicas SET-LRP e ROP
(Universidade Federal de Santa Maria, 2017-02-10)
The present work focuses on the synthesis of diblock copolymers of the type polyester-block-poly(acrylate) by one-pot methodology, by combining the polymerization techniques ROP and SET-LRP. The proposed strategy was based ...