Buscar
Mostrando ítems 31-40 de 110
Some features associated with organosilane groups grafted by the sol-gel process onto synthetic talc-like phyllosilicate
(Academic Press Inc Elsevier ScienceSan DiegoEUA, 2006)
Síntese, caracterização e estudo fotofísico de novas calcogenoporfirinas derivadas da 5,10,15,20–tetrakis (4-bromometilfenil)porfirina
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2020-09-30)
In this work, two classes of porphyrins were prepared, the first involving the synthesis of new calcogenoporphyrins derived from 5,10,15,20 - tetrakis (4-bromomethylphenyl) porphyrin, characterization and study of photophysical ...
Nanomateriales que revolucionan la tecnología : perspectivas y aplicaciones en espintrónica
(Universidad Nacional de ColombiaSede BogotáBogotá, Colombia, 2020)
Este libro contiene fundamentos importantes desarrollados en trabajos de
investigación, análisis y documentación, que permiten conocer la incidencia
positiva de nuevos materiales basados en nanoestructuras semiconductoras
y ...
Síntese de compostos com potenciais atividades biológicas ou magnéticas
(Universidade Federal de Minas GeraisUFMG, 2008-02-29)
This thesis is divided in two parts and presents the results of our studies on the synthesis and the study of biological or magnetic proprieties of a series of ligands and their transition metalcomplexes. Firstly we prepared ...
Síntese e caracterização de polímeros de coordenação de cobalto, níquel e paládio
(Pontifícia Universidade Católica do Rio Grande do SulPorto Alegre, 2007)
The present study is related to the synthesis of bipyridine and bithiophen organic ligands, and to the subsequent coordination of these bonders to transition metal salts, which form coordination polymers or net polymers. ...
Síntese e caracterização de polímeros de coordenação de cobalto, níquel e paládio
(Pontifícia Universidade Católica do Rio Grande do SulPorto Alegre, 2007)
The present study is related to the synthesis of bipyridine and bithiophen organic ligands, and to the subsequent coordination of these bonders to transition metal salts, which form coordination polymers or net polymers. ...
Síntese, cristalografia e propriedades de ligantes triazenos mono e biscatenados e derivados complexos de Cu(II), Ni(II) e Pd(II)
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2013-04-30)
Triazenes are a class of compounds characterized by the presence of a diazoamino functional group (N=N N) showing remarkable ability to support the stereochemical requisites of a wide variety of metal transition complexes. ...
Estudio termomagnético de un ferrimagneto tipo ising de espines mixtos S=3/2 Y σ=5/2
(Facultad de Ciencias BásicasFísica, 2020)
Sistemas magnéticos nanoestruturados para a remoção seletiva de compostos sulfurados e nitrogenados do petróleo
(Universidade Federal de Minas GeraisBrasilICX - DEPARTAMENTO DE QUÍMICAPrograma de Pós-Graduação em QuímicaUFMG, 2013-10-17)
In this work, it has been developed new magnetic amphiphilic composites based on three inorganic matrix partially covered with carbon. Different matrix were investigated: iron oxide (α-Fe2O3), nickel oxide (NiO) and bentonite ...