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Estudo da nitretação a plasma da liga TI6AL4V ELI para aplicação ortopédica
(2020-03-04)
Titanium-made intra-corporeal implants are still a significant portion of arthroplasty metallic components, due to excellent biocompatibility and low allergenic and toxic features. However, surface modifications are of ...
Desenvolvimento de cimentos á base de silicatos utilizando rochas vulcânicas
(2020-04-22)
Silicate based cements (SBC) are ceramic materials obtained through the reaction between solid silicon and aluminium-rich materials and a strong alkaline solution. Such SBC are produced at temperatures close to ambient and ...
Recuperação de prata metálica de pilhas do tipo botão para a preparação de híbridos de quitosana com propriedades bactericidas
(2020-11-20)
The recovery of metals is an extremely important issue that has attracted the attention of several researchers, both for the environmental and economic concerns. Some metals, such as silver or its derivatives, can be ...
Síntese mecanoquímica nanopartículas de óxido de cobre (II) para a redução catalítica de nitroarenos em meio aquoso
(2020-12-08)
Mechanochemistry was recently cited by the International Union of Pure and Applied Chemistry (IUPAC) as one of the ten chemical innovations with the potential for the development of more sustainable processes. The principle ...
Caracterização e aplicação de serragem de pinus elliorrii da indústria moveleira na remoção do corante azul de metileno
(2020-05-28)
The sawdust residues from the furniture industry have great potential to be used as adsorbents in the treatment of textile effluents. In addition to their low cost, they have in their chemical structure several components ...
Efeito do teor de ferro na síntese de vitrocerâmicos de basalto
(2020-11-03)
Basalts, which cover about 70% of the Earth's surface, are igneous rocks originated from the cooling and solidification of magma on the Earth's surface. When the magma is cooled rapidly, it forms a glass. When cooled slowly, ...