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Determinação do grau API e teor de enxofre e nitrogênio em petróleo usando ATR-FTIR e métodos quimiométricos
(Universidade Federal de Santa Maria, 2019-11-25)
Parameters such as API gravity and sulfur and nitrogen concentrations are important to determine crude oil quality. API, S and N grade determinations were evaluated by ASTM D-7042, ASTM D-5453 and ASTM D-4629 methods, ...
Síntese, análise estrutural e avaliação da atividade inibitória da enzima urease por oxidovanádio (IV) e dioxidovanádio (V) complexos derivados de hidrazidas aromáticas
(Universidade Federal de Santa Maria, 2019-07-05)
This work presents the synthesis and characterization of vanadium complexes and the potential of these compounds to inhibit the enzyme urease. The complexes were obtained from the aldol condensation between substituted ...
Síntese e caracterização de [2]rotaxano: estudo conformacional em solução
(Universidade Federal de Santa Maria, 2019-11-25)
Rotaxanes molecules became an important model for studying supramolecular chemistry by theirs unique motions and characteristics. In this context, this work was based in the synthesis of three molecules. One secondary ...
Método gravimétrico de Payzant em amostras de cimento asfáltico: uma investigação analítica para reduzir o consumo de reagentes e a geração de resíduos
(Universidade Federal de Santa Maria, 2019-11-25)
This work presents alternative methodologies to fractionation of petroleum asphalt cement (CAP) in sulfur species (saturated/aromatic compounds, thiophenic compounds and sulfide compounds) proposed by Payzant (1989). The ...
Síntese de 3-(trifluormetil)-4H-pirido[1,2-a]pirimidin-4-onas 2-substituídas via reação de trifluormetilação usando MFSDA
(Universidade Federal de Santa Maria, 2019-11-25)
The present work aims to perform a synthetic feasibility study following a satisfactory procedure to obtain a novel compound denominated 2-phenyl-3- (trifluoromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one (4b) by using MFSDA as ...
Interação entre líquidos iônicos e óxidos de titânio e silício utilizando ressonância plasmônica de superfície
(Universidade Federal de Santa Maria, 2019-11-25)
This work presents the interactions between ionic-liquid-based active pharmaceutical ingredients (IL-APIs) bupivacaine ibuprofenate [BUP][IBU], 1,8-bis(3-methylimidazolium-1-yl) octane ibuprofenate [BisOct(MIM)2][2IBU], ...
Identificação de comportamentos em dispositivos IOT utilizando Machine Learning
(Universidade Federal de Santa Maria, 2019-12-12)
With the advent of the Internet of Things (IoT), new challenges have emerged in the
area of network security and device identification. As new devices are introduced into IoT
ecosystems, better control of network security ...
Uma abordagem para orquestração de funções de aprendizado de máquina virtualizadas em containers
(Universidade Federal de Santa Maria, 2019-12-02)
Machine learning is one of the fastest growing areas in computing, one of the factors behind
this growth is that smart application utilization is becoming increasingly common today.
Along with the increased computing ...
Uso de redes neurais profundas para o aprendizado de funções heurísticas para algoritmos de busca de caminhos
(Universidade Federal de Santa Maria, 2019-12-02)
Pathfinding is an important area of Artificial Intelligence that has been researched through the use of deep neural networks. More specifically, the research focuses on the development of new path search algorithms guided ...
Algoritmos de busca de caminhos voltados para informações de altura e inclinação representadas em mapas de navegação
(Universidade Federal de Santa Maria, 2019-07-10)
Artificial Intelligence is an area of research in evidence nowadays, which covers several fields of study. Among its ramifications, it is understood the area that seeks to solve path finding problems. This work addresses ...