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Mostrando ítems 41-50 de 4105
Estratégias espectroanalíticas para análise química inorgânica de plantas medicinais
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Química - PPGQ, 2014-12-01)
This thesis describes the development of analytical procedures based on direct solid analysis by high-resolution continuum source atomic absorption spectrometry in graphite furnace (SS-HR-CS GF AAS) and aqueous solutions ...
Estudo de um método de priorização de resíduos industriais para subsídio à minimização de resíduos químicos de laboratórios de universidades.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Urbana - PPGEU, 2005-02-28)
The majority of the Brazilian universities don t have systematic waste minimization
program, especially for chemical laboratory wastes. However, the industries, due to legal
responsibilities, economical factors and in order ...
Modificação de quitosana com ácido hialurônico e sua blenda com colágeno para aplicação biomédica
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência dos Materiais - PPGCM-SoCâmpus Sorocaba, 2019-03-08)
As in other areas of application, researchers in the field of biomaterials have been looking for materials from natural sources for the installation of implantable or curative devices, in this sense, a chitosan has been ...
Síntese e caracterização de vanadato de prata decorado com hidroxiapatita
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Química - PPGQCâmpus São Carlos, 2018-03-26)
The continued need for improved technological devices makes the development of advanced nanostructured materials urgently. Hydroxyapatite [HA, Ca10(PO4)6(OH)2] is a biocompatible material well known for its optical properties ...
Recuperación de Cromo (III) mediante los métodos de electrocoagulación y precipitación en la empresa Tenería Díaz
(Escuela Superior Politécnica de Chimborazo, 2020-12-23)
The objective of this research was to recover Chromium (III) by means of electrocoagulation and precipitation methods in the company Tenería Díaz. Using the residual water from the tanning stage, a physical-chemical analysis ...
Estrutura eletrônica de derivados de politieno[3,4-b]-tiofeno-co-benzoditiofeno para aplicação em camadas ativas de células solares orgânicas
(Universidade Estadual Paulista (Unesp), 2016-03-03)
Currently there is an intensive search for new materials with tuned properties for use in organic solar cells to obtain an increase in its conversion efficiency and replace silicon devices. The polythieno[3,4-b]-thiophen ...