Now showing items 21-30 of 591
Sobrevivência de Clonostachys rosea em discos de folha expostos à radiação UV-B .
(In: CONGRESSO PAULISTA DE FITOPATOLOGIA, 34., 2011, Campinas. Resumos... Campinas: Grupo Paulista de Fitopatologia, 2011., 2011)
Radiación ultravioletaUltraviolet radiation
(Universidad de La Salle. Revistas. Ciencia y Tecnología para la Salud Visual y Ocular., 2007)
Inorganic UV filters
Nowadays, concern over skin cancer has been growing more and more, especially in tropical countries where the incidence of UVA/B radiation is higher. The correct use of sunscreen is the most efficient way to prevent the ...
UV dose investigation for imersed lamp purifier for electronic ballast UV lamps design
This paper presents a methodology of an electronic ballasts design for UV lamps filtering system, providing adjustable UV dose in order to ensure the inactivation of microorganisms' reproduction that are harmful to human ...
Influence of water immersion and ultraviolet weathering on mechanical and viscoelastic properties of polyphenylene sulfide-carbon fiber composites
(Sage Publications Ltd, 2015-03-01)
In order to investigate the combined action of temperature, humidity, and ultraviolet (UV) radiation, polyphenylene sulfide (PPS)-carbon fiber composite specimens were exposed to environmental degradation through two ...
Inorganic UV filters
Doping of polyaniline and derivatives induced by X-ray radiation
Thin films of chemically synthesized polyaniline and poly(o-methoxyaniline) were exposed to ionizing X-ray radiation and characterized by radiation induced conductivity measurements, ultraviolet-visible spectroscopy, ...
Electronic Ballast Design for UV Lamps Based on UV Dose, Applied to Drinking Water Purifier
(Ieee-inst Electrical Electronics Engineers Inc, 2016-08-01)
This paper presents a design methodology for an electronic ballast applied to ultraviolet radiation (UV) lamps for a drinking water purifier, providing adjustable UV dose in order to ensure the inactivation of microorganisms' ...
Evaluation of ultraviolet radiation in the sterilization of plastic packaging
(Univ Federal Lavras-uflaLavrasBrasil, 2008)