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Nanomateriais semicondutores aplicados na fabricação de dispositivos eletroquímicos
(Universidade Federal de São Carlos, 2019-03-22)
This dissertation was subdivided into 3 different studies. In the first study, it was proposed the development of a photo-electrochemical system for the removal of caffeine in natural water samples. Photo-anodes made with ...
Otimização e validação de metodologias analíticas em GC-MS aplicadas à biodegradação de poluentes orgânicos persistentes e óleo essencial de pimentas
(Universidade Federal de São Carlos, 2019-02-26)
Recently, a large number of compounds have been synthesized in order to bring comfort and convenience to everyday life. These products, however, produce a large amount of daily waste that are released into the environment ...
Detecção de ataques a sistemas de reconhecimento facial utilizando abordagens eficientes de aprendizado de máquina em profundidade
(Universidade Federal de São Carlos, 2019-05-21)
Biometrics emerged, in the last decades, as a robust and convenient solution for security systems. However, despite the higher difficulty to circumvent the biometric applications, nowadays, criminals are developing attacks, ...
Análise ergonômica da atividade na execução do serviço de revestimento de gesso
(Universidade Federal de São Carlos, 2019-04-29)
The construction industry is an important segment of the Brazilian economy, generating a large volume of wealth and jobs for various sectors. Although over the years technological advances have occurred and many physical ...
Contraste entre propriedades optoeletrônicas em estruturas de tunelamento ressonante n-i-n baseadas em GaAs
(Universidade Federal de São Carlos, 2019-05-15)
Resonant Tunneling Diodes (RTDs) are semiconductor devices usually composed of two barrier structures embedding a single quantum well (QW) and highly doped layers in its extremities. Under an applied bias voltage, the ...
Avaliação química da qualidade de couros e efluentes de curtume
(Universidade Federal de São Carlos, 2019-04-02)
For the transformation of animal skin into leather, a stable and not putrescible material, various chemicals are used to produce a material with good quality and appearance. Because it presents low cost and generates high ...
Desenvolvimento de nanocompósitos de amido/palygorskita modificada com íons de prata via casting contínuo
(Universidade Federal de São Carlos, 2019-02-27)
The food industry has invested cheap and efficient technologies capable of providing fresh and additive-free food products. One of the possible solutions is the use of antimicrobial active packaging that ensures the ...
Síntese in situ pelo método Pechini assistido por micro-ondas dos compósitos livres de chumbo (1-x)BaZr0,08Ti0,92O3/(x)CoFe2O4
(Universidade Federal de São Carlos, 2019-04-30)
Currently, there is considerable interest in developing lead-free composites in the scientific area. This is occurs due to the growing demand for new multifunctional materials with potential technological applications. ...
CREDItoR: uma abordagem semiautomática para curadoria em repositórios educacionais digitais com foco em recursos educacionais abertos
(Universidade Federal de São Carlos, 2019-02-22)
The Universal Declaration of Human Rights ensures that every person has the right to access to education. In this direction, the democratization of access to information and open education, are constituted as mechanisms ...
Estudo sobre estabilização de solo com material fresado de pavimentação asfáltica
(Universidade Federal de São Carlos, 2019-04-23)
In Brazil, the most commonly used means of transport for people and the locomotion of loads
is the road, and the paved roads show that most of them have asphaltic coating, as well as
urban roads. However, to maintain ...