Centro de Ciências Exatas e de Tecnologia - CCET: Recent submissions
Now showing items 2281-2300 of 7414
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Modelagem com difusividade efetiva variável via analogia da lei de Fick para a secagem de sementes de Jacaranda mimosifolia em camada delgada
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/12/2020)Jacaranda mimosifolia seeds have been studied for different applications due to the composition of their extracts. In addition to having noble wood with high commercial value, it has potential applications in anti-inflammatory ... -
Produção de Na-β″-alumina e o seu transporte iônico do Na+
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 25/02/2019)In the present doctorate thesis, in order to study the Na+ ion transport in Na-βʺ-alumina(cr), we started by studying the production stages of Na-βʺ-alumina(cr) sodium ion conductive membranes. In order to do so, we studied ... -
Metabolic discrimination of citrus species resistant and susceptible to black spot disease using multi-platform-based metabolomic approach
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 31/08/2020)Citrus black spot (CBS) caused by the fungus Phyllosticta citricarpa. CBS causes several economic damages to commercial citrus orchards, such as fruit blemishes and premature fruit drop, leading to yield loss. There are ... -
Comparação de estruturas de contenção com variação de altura em obras de infraestrutura
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/12/2020)Although recurrent use of retaining walls in different situations, there is few technical and scientific material on the subject. The Brazilian standard has a large deficiency in this area and it is often necessary to use ... -
Gênios do Cálculo RPG: uma ferramenta para o ensino de Matemática
(Universidade Federal de São Carlos, UFSCar, Programa de Mestrado Profissional em Matemática em Rede Nacional - PROFMAT, Câmpus São Carlos, 14/12/2020)This work aims at presenting an aid tool to the teaching of Mathematics through the use of the game “Gênios do Cálculo RPG”, designed by the author, which focuses on the development of competences and skills, in which, ... -
Potencialidades da aplicação do processo Fenton e foto-Fenton homogêneo no tratamento de águas residuárias em diferentes escalas operacionais: Uma revisão bibliográfica
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/12/2020)Pollution of water resources, caused in large part by inadequate effluent disposal, is currently one of the major problems that the global and scientific community has been trying to mitigate. In addition, conventional ... -
Avaliação da distribuição e dinâmica de bolhas de ar em um tanque de flotação submetido a diferentes soluções utilizando CFD
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2020)In the present graduation work, the objective was to evaluate the influence of different surface tensions, viscosities and densities in the process of formation of air bubbles in a flotation tank, using computational ... -
Perspectivas para a aplicação da tecnologia BECCS para a captura de CO2 na indústria de papel e celulose no Brasil
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2020)Pulp and paper production in Brazil has maintained a marked growth in recent years, as a result of favorable climate conditions for a high productivity of eucalyptus and the consolidation of the country as a major exporter ... -
Obtenção de sulfetos metálicos (M= Ni, Mo) pelo método solvotermal assistido por micro-ondas aplicados na reação de desprendimento de hidrogênio
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 27/03/2020)In general, transition metal sulfides show good activity in the Hydrogen Evolution Reaction (HER). Some of these metals, such as Mo and Ni, arouse interest in the area of electrocatalysis, since they are more abundant and ... -
Avaliação da Geometria e condições de operação de uma cabine aerosol box para intubação orotraqueal utilizando fluidodinâmica computacional
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2020)On March 11, 2020, the World Health Organization declared a state of global Coronavirus pandemic. Today, Severe Acute Respiratory Syndrome Coronavirus 2 (SARSCoV-2) and Coronavirus Disease 2019 (Covid-19) are considered ... -
Study of bioactivity, corrosion resistance and fatigue behavior of Ti-12Mo-6Zr-2Fe alloy after different surface treatments
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 19/11/2020)Demand for new implants with improved bioactivity, corrosion resistance, and optimal mechanical properties has been increasing considerably. In this sense, different surface treatments are applied in titanium alloys to ... -
Mapeamento da cadeia de suprimentos em empresa do ramo de plásticos de performance
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2020)Due to the increasing market transformations that we have been going through, companies need to keep up by being agile and innovative. Knowing and controlling the value chain is essential to keep them competitive in the ... -
Três resultados de sistemas dinâmicos em dimensões baixas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 18/12/2020)This work contains three independent results that can be framed within the research area named low-dimensional dynamics. The first result is a lower bound for the maximal number of inseparable leaves of non-singular ... -
Comparação na utilização de painéis alveolares e painéis do tipo PI protendidos no projeto de edifícios garagem em concreto pré-fabricado
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 07/12/2020)The contribution of multi-storey garage buildings to the provision of parking in modern cities, derived from maximizing the use of urban space associated with its verticalization, can be optimized by adopting the construction ... -
Boa postura para alguns sistemas de equações dispersivas e para uma equação dispersiva
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 30/10/2020)The main aim of this work is to establish the well posedness for a dispersive partial differential equations systems and for a partial differential equation, with initial data belonging to Gevrey space. The proof ... -
Conductive polymers derived heteroatom doped carbon catalysts for oxygen reduction reaction
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 02/12/2020)Fuel cell is an electrochemical energy conversion system, that holds the promise for clean and sustainable energy source. During the operation, this device generates electricity direct from electrochemical reactions ... -
Estudo de metodologias para o tratamento de águas industriais utilizando o agente cloro
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 14/12/2020)Looking for a more efficient method of industrial water treatment in cooling towers at general industries, the chlorine agent is a sanitizer widely used, including in applications for human consumption. However, due to the ... -
Estudo e contole de um robô hexápode utilizando o ROS (Robot Operating System)
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 09/12/2020)The technological advancements and the search for more productivity and efficiency has been changing the industrial environment, including the adoption of solutions in robotic field. In this scenario the goal of this ... -
Avaliação da Cinética de Secagem de Folhas de Pitangueira (Eugenia uniflora L.) em Secador de Micro-Ondas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 15/12/2020)Studies on the chemical composition of pitangueira (Eugenia uniflora L.) leaf, suggest that this species has great economic and medicinal importance. This is because it can be used to produce different extracts with ... -
Graduações e identidades polinomiais graduadas para a álgebra de matrizes triangulares superiores
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 03/12/2020)Let F be a field and let G be a group. Denote by UTn(F) the algebra of n × n upper triangular matrices over F. The mathematicians Valenti and Zaicev described all G-gradings on UTn(F), and the mathematicians Di Vincenzo, ...