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Now showing items 71-80 of 142
Fabricação e caracterização de filmes nanoestruturados de nanotubos de carbono e polianilina para aplicação em sensores ambientais na detecção de 2-clorofenol.
(Universidade Federal de São Carlos, 2012-03-02)
Organochlorine compounds exhibit high toxicity, environmental persistence and tendency to bioaccumulate. This pollutant can spread through the air and water, affecting humans and the environment. In this context, this study ...
Influência da deposição de filmes finos organosilicones na fotodegradação do polipropileno
(Universidade Federal de São Carlos, 2013-07-31)
It is known that polypropylene is degraded in the presence of UV radiation, making difficult its use in applications where occurs this kind of radiation. This situation arises a need to improve the properties of polypropylene ...
Moldagem de briquetes com finos de carvão vegetal aglutinados com parafina: caracterização de algumas propriedades.
(Universidade Federal de São Carlos, 2013-02-07)
The aim of this study was to evaluate the properties of briquettes made from charcoal fines bonded with paraffin. To prepare them were used three fractions of fine coal (20, 35 and 60 mesh) and a binder, the paraffin. ...
Estudo da influência da deformação por cisalhamento extrusão em canal angular e laminação assimétrica nas propriedades mecânicas do alumínio AA 1050
(Universidade Federal de São Carlos, 2014-08-18)
It is known that the formability of aluminum alloy AA1050 is not favored when sheets are produced by conventional rolling due to the appearance of intense cube texture {100} <100> after recrystallization heat treatment. ...
Géis superabsorventes de propionato acetato de celulose e acetato de celulose: síntese, caracterização e liberação controlada de pesticida
(Universidade Federal de São Carlos, 2011-12-16)
Hydrogels derived from cellulose acetate propionate (CAP) and cellulose acetate (CA) were synthesized with the cross-linking agents PMDA (Pyromellitic Dianhydride) and BTDA (Dianhydride 3, 3 ', 4, 4' Benzophenone ...
Obtenção e caracterização de microesferas de copolímero PLDLA contendo paclitaxel
(Universidade Federal de São Carlos, 2013-02-05)
In order to minimize the side effects of chemotherapy concurrently with the enhancement of its therapeutic action is to use it on devices that enable a controlled drug release, by vectors, such as polymeric microspheres, ...
Deposição e caracterizações óptica e morfológica de filmes finos de TIOX depositados por sputtering R.F.
(Universidade Federal de São Carlos, 2013-02-19)
This work studied ultrathin films of titanium oxide were deposited on two substrates, such as pure Si (100) and glass corning 7059, by using r.f. magnetron sputtering with different oxygen flows and maintaining another ...
Desenvolvimento da microscopia de força química usando modelagem molecular
(Universidade Federal de São Carlos, 2013-03-19)
In this work was developed a prototype of a new nanobiosensor with molecular specificity through a study of theoretical models of Chemical Force Microscope. For the sensing were used molecular modeling techniques as well ...
Deposição e caracterização de filmes ultrafinos de óxido de titânio depositados por Sputtering RF
(Universidade Federal de São Carlos, 2012-03-30)
This work studied ultrathin films of titanium oxide deposited by the technique r. f. reactive sputtering with different oxygen flows and different deposition times. Optical properties were studied (ultra-violeta/Visível) ...
Obtenção e caracterização de laminados de compósitos poliméricos híbridos de fibras de juta a partir de laminados de fibras de vidro utilizados na fabricação de pás eólicas
(Universidade Federal de São Carlos, 2017-05-29)
At last years due to increasing use of composite materials of synthetic fibers with thermosetting matrix, several alterative have been sought trying to minimize the impacts generated by both the dispose of this material ...