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Diferentes sons e tons em aulas de matemática: um estudo sobre frações
(Universidade Federal de São Carlos, 2022-06-30)
The present work aims to analyze the context of being a teacher and inquirer of one's own practices in the scope of mathematics education in elementary school, which presumes to find conceptions formed by experiences of ...
16º problema de Hilbert: uma motivação para o estudo de funções periódicas
(Universidade Federal de São Carlos, 2022-02-22)
Periodic situations are found in many aspects of general knowledge, such as the measurement of hours in a day, the movement of the waves and the translation of celestial bodies. Perhaps this is why the study of journals ...
O impacto de contratos públicos na atuação de cooperativas de coleta seletiva: estudo de casos no interior de São Paulo
(Universidade Federal de São Carlos, 2022-07-28)
The selective collection is important from the environmental, economic, and social perspectives. However, the autonomous agents, who informally work on this, have no aid, protection or visibility. Therefore, their grouping ...
Impactos da pandemia da Covid-19 da gestão de resíduos recicláveis nos municípios de Belo Horizonte (MG), Curitiba (PR) e São Paulo (SP)
(Universidade Federal de São Carlos, 2022-06-26)
The spread of Covid-19 has limited the maintenance and development of various activities in the world. The population's participation in segregation and recycling in the recyclable solid waste sector is essential to promote ...
Modelos de sobrevivência bivariados induzidos por fragilidade
(Universidade Federal de São Carlos, 2022-07-18)
Frailty models have been developed to quantify both heterogeneity as well as association in multivariate time-to-event data. The frailty distributions used in many studies include the gamma, inverse Gaussian (IG) or stable ...
Catalisadores baseados em nitretos de carbono grafíticos e metais de transição: síntese e aplicações
(Universidade Federal de São Carlos, 2022-03-24)
Carbon nitrides are polymeric compounds with a C3N4 stoichiometric ratio and formed by sp2 nitrogen bonds. Most of the works in the literature uses polymeric carbon nitride as a catalyst for application in organic reactions, ...
Formulação e estudo da citocompatibilidade de hidrogéis termossensíveis contendo partículas bioativas para aplicação em regeneração óssea
(Universidade Federal de São Carlos, 2022-07-29)
Although the osteogenic properties, there are still some limitations to employing bioactive glasses (BG) in the human body, such as potential cytotoxicity and a lack of controlling the morphology of BG particles.
Furthermore, ...
Controle de vibrações induzidas pelo vento por alteração do padrão superficial em uma viga cantilever
(Universidade Federal de São Carlos, 2022-06-09)
In the present work, the study of an aeroelastic problem referring to cantilever beams with surface notches exposed to wind is presented, as well as a design of a control system whose purpose is to maintain a desired ...
Estudo da reação de hidrogenação de CO2 em materiais à base de Cu via catálise heterogênea
(Universidade Federal de São Carlos, 2022-07-07)
CO2 is a greenhouse gas whose production has intensified in recent decades, generating its accumulation in the Earth’s atmosphere. Thereby, numerous negative environmental changes, such as the aggravation of the greenhouse ...
Auxílio ao diagnóstico automático do esôfago de Barrett utilizando aprendizado de máquina
(Universidade Federal de São Carlos, 2022-03-28)
Esophageal adenocarcinoma is an illness that is usually hard to detect at the early stages in the presence of Barrett's esohagus. The development of automatic evaluation systems of such illness may be very useful, thus ...