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Mostrando ítems 1791-1800 de 3762
Electrochemistry and STM-assisted Molecular electronics study of bimetallic hexaphyrins
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Química - PPGQCâmpus São Carlos, 2019-09-23)
ELECTROCHEMISTRY AND STM-ASSISTED MOLECULAR ELECTRONICS STUDY OF BIMETALLIC HEXAPHYRINS. The electron transport in porphyrinoids are related to several bioprocesses in Nature, from conversion from solar energy to chemical ...
Síntesis y caracterización de películas del sistema mixto TiO2 -CeO2 para aplicaciones fotocatalíticas
(Universidad Michoacana de San Nicolás de Hidalgo, 2011-08)
TiO2 is a known material having several polymorphisms, which are reflected in three different crystalline phases: anatase, rutile and broquita. Phases are most commonly synthesized anatase and rutile, which are structurally ...
Aplicação em alguns casos de métodos de quantização semiclássica a potenciais solúveis e condicionalmente solúveis
(Universidade Estadual Paulista (Unesp), 2018-12-12)
The present work seeks the study and application of semiclassical quantization methods in exactly and conditionally soluble potentials. The first method presented is the Proper Quantization Rule that can be considered as ...
Detecção de ataques de replays a sistemas de verificação automática de locutores (ASV).
(Universidade Estadual Paulista (Unesp), 2022-01-10)
In this work, are proposed two models that are able to detect replay spoofing attacks on Automa tic Speaker Verication (ASV). The models consists on a k-Nearest Neighbour (k-NN) classifier and Support Vector Machine (SVM) ...
Enhanced NIR-I emission from water-dispersible NIR-II dye-sensitized core/active shell upconverting nanoparticles
(2018-01-01)
Recently, there has been a surge in research studies directed towards near-infrared (NIR) dye-sensitized upconverting nanoparticles (UCNPs) as they carry the prominent advantages of a broader absorption range and enhanced ...
Rational Design of W-Doped Ag3PO4 as an Efficient Antibacterial Agent and Photocatalyst for Organic Pollutant Degradation
(Amer Chemical Soc, 2020-09-22)
Bacterial and organic pollutants are major problems with potential adverse impacts on human health and the environment. A promising strategy to alleviate these impacts consists in designing innovative photocatalysts with ...
Towards a white-emitting phosphor Ca10V6O25 based material
(2020-04-01)
To achieve a stable material capable of white-light emission, we fabricated Ca10V6O25 by both co-precipitation (CP) and microwave-assisted hydrothermal (MAH) methods at different temperatures. The effects of structural ...
Estudo de diodos PIN fabricados em substratos SOI operando como células solares
(Centro Universitário FEI, São Bernardo do Campo, 2018)
O trabalho apresentado demonstra o uso de diodos PIN fabricados no substrato de lâminas de tecnologia SOI, operando como células solares, visando à conversão de energia solar em eletricidade. A implementação de tais ...
Densitometría ósea mediante análisis instrumental de placas de rayos X
(Universidad de Chile, 2007)
La medición del contenido mineral del hueso en seres vivos es fundamental en el
diagnóstico y tratamiento de enfermedades relacionadas con e1 metabolismo óseo.
Se han inventado diversos sistemas para lograr medir el ...
Comparison of Suture-Augmented Ligamentplasty to Transarticular Screws in a Lisfranc Cadaveric Model
(2020)
Background: Lisfranc injuries represent a spectrum of trauma from high-energy lesions, with significant instability of the midfoot, to low-energy lesions, with subtle subluxations or instability without gross displacement. ...