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High levels of hair manganese in children living in the vicinity of a ferro-manganese alloy production plant
(Elsevier, 2009)
Manganese (Mn) is an essential element, but an effective toxic at high concentrations. While there is an extensive literature on occupational exposure, few studies have examined adults and children living near important ...
Elevated manganeseandcognitiveperformanceinschool-agedchildren and theirmothers
(2011)
Background: Growing evidence suggests thatexcessmanganese(Mn)inchildrenisassociatedwithneuro behavioralimpairments.InBrazil,elevatedhairMnconcentrationswerereportedinchildrenlivingneara
ferro-manganesealloyplant.
Objectives: ...
Análise comparativa de ferramentas tipo macho para o processo de rosqueamento interno de cilindros laminadores fundidos
(Universidade Estadual Paulista (Unesp), 2018-12-12)
This thesis focuses on the improvement of the tapping process performed on the rolling cylinders, made of steel and cast iron, through the analysis of the current process, developed in a steelworks company plant, studies ...
Caraterização de Pó de Despoeiramento da Fabricação de Ligas de Manganês e Avaliação de seu Potencial AgronômicoCaracterization of a dusty from the siderurgical industry to be used as source of manganese and avaliation in the agriculture potential
(Universidade Federal de ViçosaBRFertilidade do solo e nutrição de plantas; Gênese, Morfologia e Classificação, Mineralogia, Química,Mestrado em Solos e Nutrição de PlantasUFV, 2015)
Application of titanium machining chips in welding consumables for wear-resistant hardfacing
(2016-01-01)
Equipment of sugar cane plants and mineral extraction are submitted to severe abrasive wear conditions. Welded hardfacings are usually applied to repair this kind of damage, where commercial chromium/carbon-rich welding ...
Elevated airborne manganese and low executive function in school-aged children in Brazil
(Brasil, 2014)
Exposure to airborne manganese (Mn) has been associated with neurotoxic effects, including motor and cognitive deficits. The main deficits related to excessive exposure to Mn are predominantly the dysfunction of fronto-striatal ...
Aplicação de cavacos de titânio para produção de revestimentos resistentes ao desgaste
(Associação Brasileira de Soldagem, 2014-09-01)
Equipments of the sugar-cane plants and mineral extraction are submitted to severe abrasive wear conditions. Welded hardfacing are usually applied to repair that kind of damage where commercial chromium/carbon-rich welding ...