Centro de Ciências Exatas e de Tecnologia - CCET: Envíos recientes
Mostrando ítems 1641-1660 de 7408
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Revestimentos comestíveis com óleos essenciais na preservação da qualidade pós-colheita de morangos: uma revisão
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 23/11/2021)Strawberry is a non-climacteric fruit characterized by its unique flavor, being highly desirable and being a relevant source of bioactive compounds due to the high levels of vitamin C, vitamin E and phenolic compounds, as ... -
Compreendendo o papel da melamina (C3H6N6) no caminho de degradação de compósitos fertilizantes contendo ureia
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 23/11/2021)This work proposed a study of new fertilizer composites that have melamine in their composition, a molecule of high nitrogen content (66% total mass) but recalcitrant, observing factors that may influence the effective ... -
Bayesian variable selection using data driven reversible jump: an application to schizophrenia data
(Universidade Federal de São Carlos, UFSCar, Programa Interinstitucional de Pós-Graduação em Estatística - PIPGEs, Câmpus São Carlos, 17/12/2021)Symptom based diagnosis are known to be limited specially concerning complex disorders such as schizophrenia. Modern attempts in providing predictive risk for such disease, to assist existing diagnosis tools, integrate ... -
Fatores críticos para integração de cadeias de suprimentos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 24/06/2021)With globalization, advances in technologies and means of production, competitiveness among companies has increased the level of service required. As a result, the market demanded that supply chains be more agile and ... -
Simulação da dinâmica do controle de carga: controle de entrada/saída com realimentação
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 22/06/2021)With the growing need for a fast response to the demand disturbances, dynamic models rise as an alternative to discrete events simulation, usually used on the application of Workload Control rules. However, applications ... -
Efeito do tamanho e distribuição de tamanho inicial das partículas da hematita, na cinética de sinterização assistida por micro-ondas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 26/11/2021)This thesis aimed to study the effect of the initial particle size and its distribution of hematite on microwave-assisted sintering kinetics. Two synthesis methods were used: sol-gel and seeded-mediated growth. By sol-gel ... -
Atores chave na mitigação de riscos em recall de alimentos: quem são e principais papéis
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 25/11/2021)Close cooperation between stakeholders in the supply chain, in order to prepare the planning for risk mitigation in a holistic and integrated manner, can prevent the occurrence of risks in the supply chain. Risk prevention ... -
Influência das safras de cana de açúcar na configuração das ilhas de calor urbano em áreas periurbanas em Piracicaba, SP
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Urbana - PPGEU, Câmpus São Carlos, 14/05/2021)This work comes from the premise that periurban spaces, in general neglected by the traditional climatological urban studies, also possesses altered environments, with observable negative consequences to their microclimates, ... -
Síntese de complexos de Ru(II) luminescentes: aplicações no combate à doença de Alzheimer
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 17/12/2021)Alzheimer’s disease (A.D) is the most common form of dementia affecting, especially, people with advanced age. There is no cure and the existing pharmaceuticals indicated for combating A.D act by inhibition of acetylcholinesterase ... -
Monitoramento de um processo de lixiviação de cobre em placas de circuito impresso por meio da análise direta de sólidos e uso de Laser-Induced Breakdown Spectroscopy (LIBS)
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 03/12/2021)This PhD thesis was developed at CTI Renato Archer, Campinas-SP and was based on a hydrometallurgical process, on an industrial scale, applied to the recovery of metals in discarded printed circuit boards (PCBs). The ... -
Análise e simulação dos efeitos da variação de pressão e temperatura no teor de monômero residual em polímeros vinílicos em emulsão
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 16/11/2021)The residual monomer content is a concern in any chemical polymeric synthesis process as it is both a commercial specification and a storage safety parameter; since most reagents release large amounts of flammable vapors ... -
O efeito do potássio (K) na formação de CH4 na reação de reforma a vapor e sua relação com a estrutura da molécula reformada
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 29/10/2021)Nickel (Ni) catalysts were applied in the steam reforming reaction of organic compounds. Ni is highly active for breaking C-C bonds, a route in steam reforming reactions to generate hydrogen (and CO), however it is also ... -
Introdução ao planejamento de experimentos (Design of Experiments, DoE): conceitos básicos e aplicações
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 30/06/2021)Experiment design is a technique of experimental planning and data treatment that aims to properly visualize how the variables of an experiment affect the response. Through this technique it is possible to predict what ... -
Teorema Fundamental do Cálculo: uma proposta de abordagem a partir da modelagem matemática com auxílio do Geogebra
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ensino de Ciências Exatas - PPGECE, Câmpus São Carlos, 25/11/2021)The disciplines Differential and Integral Calculus for STEM students require a precise understanding of the themes to avoid it being an arduous path of learning and building a solid foundation, and it is the teacher's ... -
Influência do agente precipitante na síntese de catalisadores Cu-ZrO2 aplicados na conversão de glicerol a acetol e propilenoglicol
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 23/07/2021)Biodiesel production by transesterification reaction generates large amounts of glycerol as a by-product. The development of chemical routes to use glycerol as raw material for products with high added value is essential ... -
On-line FTIR spectroscopy system for extrusion-based process analysis
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, Câmpus São Carlos, 11/11/2021)Polymer processing is a fundamental key to achieve the desired properties to reach the needs of polymer applications. Thus, it is important to understand how the processing can contribute to material characteristics during ... -
Membrana de celulose bacteriana regenerada aplicada em embalagens de alimentos
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 09/12/2021)Traditional food packaging has the function of protecting and conserving as much as possible the packaged food against spoilage caused by damage environmental conditions, acting as an inert barrier, enabling its handling, ... -
Análise fatorial para dados qualitativos ordinais
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 11/06/2021)The use of the factor analysis is appropriate for quantitative data. Therefore, alternatives should be considered to use factor analysis with ordinal data. In this work, exploratory factor analysis for ordinal data is ... -
Estudo de MOFs zeolíticas de imidazolato com Zn(II) e Co(II) e emprego na condensação de Knoevenagel
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 26/05/2021)A new segment of porous materials has emerged last years: metal organic frameworks (MOFs). Zeolitic imidazolate frameworks (ZIFs), a subclass of MOFs, are formed by metallic cations and imidazolates presenting similar ... -
Intermittent drying and draft tube design for spouted bed
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Engenharia Química - PPGEQ, Câmpus São Carlos, 08/12/2021)The conventional spouted bed has presented several limitations that restrict the use on an industrial scale. Thus, studies of different methodologies and configurations have been performed to overcome such limitations. ...