Centro de Ciências Exatas e de Tecnologia - CCET: Recent submissions
Now showing items 1701-1720 of 7409
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Modelagem e simulação de propriedades de polímeros: uma perspectiva crítica
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 19/11/2021)Polymer modeling and simulation are increasingly used as tools to help conduct experimental studies. With the evolution of computers, such tools can be easily implemented by materials research groups without an equipment ... -
A álgebra graduada associada a uma valorização
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Matemática - PPGM, Câmpus São Carlos, 30/11/2021)We begin this work with a study of the graded algebra associated to a valuation $\nu: K \longrightarrow \Gamma_{\infty}$. We verify that in the cases where the value group is free or the residue field is closed by radicals, ... -
Um estudo investigativo sobre as dificuldades dos professores de Matemática iniciantes do ensino remoto
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 26/11/2021)Many researchs bring reports of difficulties that beginning teachers faces in the classroom with face-to-face teaching, such as lonelyness, lack of preparation to deal with students, with educational management, among ... -
Projeto mecânico de uma estação base de baixo custo para rastreamento de satélites
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/12/2021)Advances in the telecommunications area through the use of satellites, an artificial equipment that orbit the planet, led to the emergence of technological innovations that allowed greater connectivity between people and ... -
Investigação da influência do atrito sobre as forças de forjamento no processo de recalque
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/11/2021)Although it is a very old process, forging still has great significance until current days, being applied in numerous areas (automotive, aerospacial, tooling, and others). This variety is due to the characteristics found ... -
Shewhart-type location control chart based on capability indices Cp and Cpk applied to profile monitoring
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia de Produção - PPGEP, Câmpus São Carlos, 01/12/2021)Through their statistical limits, statistical control charts are essential tools for process monitoring and control, helping to interpret its stability and detect deviations when the process is under the action of special ... -
Características luminescentes do sistema relaxor PLMN-13PT dopado com érbio em transições de fase polar
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/11/2021)Structural and polar phase transitions are important for materials studies, specially for normal and relaxor ferroelectrics. These states influence the materials physical characteristics, which are observable by many ... -
Os reflexos do desenvolvimento da álgebra para o ensino de equações no ensino básico
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/06/2021)This research aims to offer contributions to Mathematics Education focused on teaching and learning algebraic equations, in an attempt to present the trajectory of algebra through the contributions of some peoples throughout ... -
Estudo de caso: seleção de revestimento antiaderente para redução de setup do tratamento de sementes de milho
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/11/2021)Corn is the most produced cereal in the world, being used on a large scale for various purposes. Corn seeds go through processing units, and in one of the stages of the process a treatment is applied to protect them from ... -
Uma análise de elementos matemáticos presentes na gravura Melancolia I de Albrecht Dürer: poliedro, esfera e quadrado mágico
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 23/12/2021)This monograph addresses as its main theme Albrecht Dürer's Melancholia I, an engraving that is full of philosophical and mathematical meanings. With a didactic and mathematical approach, we aim to contextualize the ... -
Criptografia RSA: aspectos históricos e matemáticos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/06/2021)This work studies aspects of RSA public key cryptography and its relationship with number theory, in particular with the properties of prime numbers. The methodology is based on bibliographical research. The study is based ... -
Produção enzimática de compostos de valor agregado a partir do destilado da desodorização do óleo de soja
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 27/08/2021)The use of by-products (or residues) is sought in an industrial process in order to transform them into a value-added product. In the soybean oil refining industry, deodorization distillate (SODD) is a by-product with great ... -
Aplicação do concreto de ultra alto desempenho em viga pré-moldada protendida para pontes
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Civil - PPGECiv, Câmpus São Carlos, 25/08/2021)Several requirements and challenges of modern construction motivated the development of High-Performance Concrete (HPC) and later, with the advance of the research, the Ultra-High Performance Concrete (UHPC). Due to the ... -
Resiliência hídrica urbana: diretrizes e estratégias para sua incorporação em municípios com o uso de indicadores
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Urbana - PPGEU, Câmpus São Carlos, 24/09/2021)Developing new strategies and tools to analyze the dynamics of water resources can help change the paradigm in city planning, optimizing decision-making, to help cities to remain hydraulically secure through investments ... -
Compósito magnético de matriz vítrea bioativa para hipertermia
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 19/03/2020)Bone cancer is a rare type of neoplasm, but with high rates of new cases annually. With several therapies available for this pathology, a controlled hyperthermia technique is promising. This technique uses the response of ... -
Secagem convectiva da folha de Aroeira (Schinus terebinthifolius Raddi) em tambor rotativo com parede perfurada: influência das condições operacionais na preservação da cor e compostos bioativos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 26/08/2021)This study investigated drying aroeira (Schinus terebinthifolius Raddi) leaves in a rotating dryer with a perforated wall to evaluate the influence of operating conditions in the preservation of color, and bioactive compounds ... -
A representação decimal fracionária de números reais: aspectos teóricos e históricos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 21/06/2021)In this work we carry out a study on the history and concepts of development of the decimal representation of real numbers, which probably started with works by Simon Stevin in La Theinde (The tenth) in 1585 (STEVIN, 1997), ... -
Nanofibras de poliamida 6 produzidas por fiação por sopro em solução modificadas com materiais carbonáceos: caracterização e aplicação na remoção de poluentes orgânicos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Biotecnologia - PPGBiotec, Câmpus São Carlos, 29/06/2021)Emerging pollutants found in water resources have become a worldwide concern due to their potential toxicity and deleterious effects on both human health and the environment. This scenario has driven the search for ... -
Valorização de resíduos alimentares para a produção de biogás: desafios e oportunidades
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/06/2021)In view of climate change aggravated by the use of fossil fuels, there is a need for solutions to reduce their use in order to help reduce greenhouse gases (GHG). Allied to this fact, food waste is discarded in large amounts ... -
Produção de hidrogênio como fonte de energia e estratégia de gestão de resíduos e mudanças climáticas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/11/2021)With the increasing population growth and industrial development, the level of waste generated by human beings and industries has reached an alarming point. Allied to this fact, the air pollution brings to light the need ...