Centro de Ciências Exatas e de Tecnologia - CCET: Recent submissions
Itens para a visualização no momento 221-240 of 7247
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Reforma autotérmica do metano: estudo do Processo e de catalisadores
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 07/05/2005)The study of the autothermal reforming of methane over Ni/γ-Al2O3 catalyst, promoted with noble metals was the objective of this work. In the first part, the stability to coke deposition of the autothermal reforming was ... -
Investigação da influência da temperatura sobre a resistência mecânica, qualidade superficial e dimensional de peças impressas pela técnica FPM
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Mecânica - PPGEMec, Câmpus São Carlos, 22/09/2022)Additive manufacturing has become a common practice across various industries due to its ability to efficiently produce complex parts on low and mediun scale. Among the various adopted techniques, the Fused Pellet Modeling ... -
Estimação, seleção e predição de redes de neurônios estocásticos com memória de alcance variável
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/02/2024)The nervous system is subjected to various sources of noise. Neuronal activity recordings reveal that part of this noise is due to electrical firings occurring spontaneously and irregularly, with variations even when the ... -
Seleção estatística de árvores de contexto
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/01/2024)Context trees are models that parsimoniously generalize Markovian models. These models were introduced by Jorma Rissanen in 1983, as an efficient tool in Information Theory. Since then, these models have been widely used ... -
Classificação binária de dados financeiros em problemas com classes desbalanceadas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 29/01/2024)In order to mitigate the risks and uncertainties associated with credit granting, financial institutions are constantly exploring methods to enhance the credit evaluation system. In the same context, the growth in credit ... -
Panorama sobre a análise das propriedades mecânicas de pellets de diferentes biomassas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/02/2024)Biomass is considered a more sustainable energy production option than fossil fuels. However, although it has a lot of potential, its intrinsic characteristics, such as its low energy density, make its widespread use more ... -
Análise sobre o papel da biomassa na economia circular do brasil
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/02/2024)This work investigates the importance of biomass in Brazil's circular economy, addressing the context of the circular economy in some regions of the world and the relationship with biomass. The study also analyzes public ... -
Simulação da secagem de bagaço de laranja em leito de jorro por um modelo em cascata usando softwares gratuitos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/02/2024)Due to the increasing consumption and production of orange derivatives, a large amount of biomass, generically known as bagasse, is generated. This biomass has potential for several applications, such as use for animal ... -
Uso de bentonita como aditivo impermeabilizante em argamassa polimérica cimentícia
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 19/01/2024)Waterproofing is one of the most crucial stages in civil construction. Recent studies have reported significant improvements in the waterproofing behavior of mortars containing bentonite. However, the addition of high ... -
Desenvolvimento de transistores de efeito de campo a partir de monocamada de WS2 sobre hBN em substrato de óxido de silício
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/09/2023)The discovery of graphene triggered a significant increase in research related to two-dimensional materials. Among them, transition metal dichalcogenides, 2D materials referring to groups 4-7 of the periodic table with ... -
Geração de chave na camada física para sistemas FDD baseado em aprendizagem profunda
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 28/08/2023)The advancement of telecommunications and the transition to the next generation of networks (6G) opens new challenges and opportunities. Security at the physical layer (PLS, Physical Layer Security) is crucial to ensure ... -
Revisão bibliográfica: erros causados por raios cósmicos em dispositivos eletrônicos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 27/10/2023)Cosmic rays, coming from outer space, can penetrate eletronic devices in order to change several characteristics such as functioning, performance and useful life. These particles are composed of an atomic nuclei, made up ... -
Análise do ciclo de vida de biocompósitos de bagaço em substituição ao poliestireno expandido em embalagens de delivery
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/01/2024)The delivery market has grown a lot in recent years, accelerated by the restrictions of the COVID-19 pandemic, this style of eating has become a necessity in many people's lives. However, delivery market is still based ... -
Simulações ópticas para o comissionamento da linha de luz SAPUCAIA
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 02/02/2024)The SAPUCAIA beamline is one of the research stations at the Brazilian Synchrotron Light Laboratory (LNLS) and is in the final stages of installation. It will employ the small-angle X-ray scattering technique to characterize ... -
Um estudo do número de inscrições e dos inscritos no ENEM no período de 2013 a 2022
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/01/2024)The Instituto Nacional de Estudos e Pesquisas Educacionais An´ısio Teixeira (INEP) is a federal agency linked to the Minist´erio da Educa¸c˜ao (MEC) and aims to promote educational actions in Brazil. It plays a fundamental ... -
Proposta de uma GAN para geração de moléculas
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/01/2024)In the field of biology, molecules play a crucial role, acting as the fundamental building blocks that make up everything around us, from elements like water and air to the intricate structures that make up our own bodies. ... -
Aplicação de Técnicas de Aprendizado de Máquina na Identificação de Marcadores Genéticos para a Doença de Alzheimer
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/02/2024)Single nucleotide polymorphism (SNP) is the variation at a single position in the nucleotide chain where DNA is formed. Since it is a genetic alteration, it is of utmost importance for the study of human health. Through ... -
Eletrodeposição de ligas de Ni-W sobre aço carbono: caracterização dos filmes
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 19/04/2023)The electrodeposition of Ni-W alloy on steel substrate from acid and alkaline solution containing NTA as a complexing agent for Ni2+ and WO4 2- ions was initially studied. EDX analyzes of the galvanostatically ... -
Estudo computacional de nanoestruturas de ouro funcionalizadas com moléculas orgânicas quirais
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 14/12/2023)In this present work was carried out the computational study of the functionalization of gold nanoparticles in spherical shape with L-amino acids using molecular dynamics simulations and geometry optimizations at DFTB level ... -
Inserção da economia circular na indústria 4.0: utilização de big data no impulsionamento do desenvolvimento industrial sustentável das multinacionais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 23/01/2024)On the one hand, environmental challenges are becoming increasingly urgent, as they put the entire well-being of society and the future of the planet at risk. Faced with this scenario, it is essential to debate and ...