Buscar
Mostrando ítems 41-50 de 6241
Análise e caracterização de superfície de cavidades de molde de injeção utilizado e recondicionado para a fabricação de pontas de Gutta-Percha
(Universidade Federal de São Carlos, 2023-05-31)
The success of a dental procedure, regarding root canal treatment processes (Endodontics), is directly related to the filling material that will serve as a substitute for the tooth root tissue. The dental material widely ...
Estudo teórico da influência da adição de adesivante nas propriedades físico-quimicas do polipropileno reforçado com fibras de vidro
(Universidade Federal de São Carlos, 2023-07-20)
Fiber-reinforced polymeric composites are widely used today, being applied in several areas such as aeronautics, automotive, military, medical, among others. However, some polymers present low adhesion in the interfacial ...
Desenvolvimento de nanocompósito de poliamida 6 e óxido de grafeno e união com alumínio 6061 por sobremoldagem por injeção
(Universidade Federal de São Carlos, 2023-04-28)
Polymer-metal hybrid structures are presented as an alternative to the transportation industry, since they are able to combine high mechanical strength and lightness. The present study focuses on obtaining hybrid joints ...
In situ chemical oxidation of ciprofloxacin by activated peroxymonosulfate using nanometric MnOOH: investigation of operational parameters and changes on the catalyst surface
(Universidade Federal de São Carlos, 2023-05-24)
Nanometric MnOOH compound was synthesized by a green approach, characterized, and used to remove ciprofloxacin (CIP) antibiotic by in situ chemical oxidation using peroxymonosulfate (PMS). The effects of varying concentrations ...
Análise das normas de acessibilidade no transporte aéreo: uma discussão por meio da metassíntese qualitativa do conceito de pessoa com deficiência e da acessibilidade
(Universidade Federal de São Carlos, 2022-03-10)
The use of airport environments by passengers with disabilities has been increasing both in Brazil and worldwide. The process of air travel by users with disabilities has been accompanied by several challenges regarding ...
Modelos Lomax assimétricos: uma nova abordagem para a classificação de dados binários desbalanceados
(Universidade Federal de São Carlos, 2023-05-17)
Imbalanced data refers to a dataset where one class has significantly fewer observations than the other class. This can lead to poor performance of both machine learning algorithms and statistical models, since most of ...
A study of role of technologies in the road freight transportation operations: from resources view to capabilities view
(Universidade Federal de São Carlos, 2023-05-12)
The road freight transportation activity is highly relevant nowadays, both financially and socially, since human survival depends on the resources transported by road freight transportation. However, cargo transport also ...
Campos de Yang-Mills fracamente estáveis na esfera de dimensão quatro
(Universidade Federal de São Carlos, 2023-05-03)
In this work we made a quick study on some basic results related to Groups and Lie Algebras,
action of Groups and Fiber Bundles with the objective of defining connections in Principal Bundles
and, later, in Associated ...
Dos detalhes ao manuseio: ensino de configuração eletrônica com o quadro de Bohr
(Universidade Federal de São Carlos, 2023-06-20)
FROM DETAILS TO HANDLING: TEACHING ELETRONIC CONFIGURATION WITH THE BOHR MODEL. The trajectory of this research consists of revealing the details of concepts hidden in the structure of sensory material, the Bohr model. ...
Gels and sponges nanocomposites based in chitosan, poly (n-vinyl caprolactam) and sio2 applied as drug delivery system
(Universidade Federal de São Carlos, 2023-06-14)
Chitosan (Ch) is a suitable biomaterial for biological applications like drug delivery systems (DDS) due to biocompatibility, cationic responsiveness, and adjustable morphology forming nanoparticles, films, sponges, etc. ...