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Customized And Faculty Led Programs
(Universidad de Belgrano, 2015-05-04)
For the past ten years Universidad de Belgrano has been collaborating
with universities abroad to offer customized and faculty led programs,
mostly during the summer terms in the Northern Hemisphere (June-August). In ...
Avaliação experimental de luminárias empregando LEDs orientadas à iluminação pública
(Universidade Federal de Juiz de ForaBrasilFaculdade de EngenhariaPrograma de Pós-graduação em Engenharia ElétricaUFJF, 2016)
Effects of tooth bleaching protocols with violet LED and hydrogen peroxide on enamel properties
(2022-06-01)
Background: This study evaluated the color change, enamel surface roughness and microhardness after different tooth bleaching protocols, using hydrogen peroxide (HP) and/or violet LED. Methods: Forty bovine specimens (7 × ...
Design of high power LED-based UVA emission system and a photosensitive substance for clinical application in corneal radiation
(Spie-int Soc Optical Engineering, 2015-01-01)
This work presents an innovative cross-linking procedure to keratoconus treatment, a corneal disease. It includes the development of an ultraviolet controlled emission portable device based on LED source and a new formulation ...
Circuitos de acionamento para lâmpada LED tubular utilizando conversores a capacitor chaveado
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2017-08-11)
This work presents the design, simulation and experimental development of a topology using switched capacitor to feed a LED lamp to street lighting. The designed and tested circuits aim to feed a LED tubular lamp with power ...
Luminária de LED com controle automatizado de luminosidade
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilTecnologia em Automação IndustrialUTFPR, 2013-12-17)
Estudo comparativo de eficiência entre lâmpadas a vapor de sódio em alta pressão e LED
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilDepartamento Acadêmico de Construção CivilEngenharia CivilUTFPR, 2017-06-20)
This paper was developed having as object of study the street lighting of Peabiru, placed on Paraná. It aims to compare and evaluate the luminous efficiency of high pressure sodium-vapor lamps and LED’s. The evaluations ...
Estudo e implementação de um driver para acionamento de lâmpadas LED em iluminação residencial.
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2017-11-20)
This work presents the study and implementation of a LED bulb driver for residencial purposes. Initially, the basic concepts necessary for the comparative study of LED lamps with the other forms of residential lighting are ...