Buscar
Mostrando ítems 1-10 de 3130
PENTACYANOFERRATES(II) ON THE SURFACE OF ORGANOMODIFIED SILICA-GEL - THE MATRIX EFFECT
(Plenum Publ CorpNew York, 1994)
Efeito da sílica sol-gel na estrutura e resistência mecânica à compressão de pasta de cimento portland e de concreto de pós reativos
(Universidade Federal de Minas GeraisUFMG, 2016-11-21)
The pozzolanic effect of the sol-gel silica additive on the structure andcompressive strength of Portland cement paste of high initial resistance and reactive powder concrete, with low factor water/cement, was analyzed. ...
Chemisorption on thiol-silicas: Divalent cations as a function of pH and primary amines on thiol-mercury adsorbed
(Academic Press IncSan DiegoEUA, 1997)
CHEMISORPTION OF SOME DIVALENT-CATIONS ON SILICA MODIFIED THROUGH THE REACTION OF PENTANE-2,4-DIONE WITH 3-PROPYLETHYLENEDIAMINE SILICA-GEL
(Elsevier Science BvAmsterdamHolanda, 1992)
Sílica gel obtida de escória de alto forno: Marabá, ParáSilica gel obtained from blast furnace slag: Marabá, PA, Brazil
(Universidade Federal do ParáBrasilUFPA, 2017)
2-Mercaptoimidazole covalently bonded to a silica gel surface for the selective separation of mercury(II) from an aqueous solution
(Marcel Dekker Inc, 1997-01-01)
Silica gel with a specific surface area of 365 m(2).g(-1) and an average pore diameter of 60 Angstrom was chemically modified with 2-mercaptoimidazole. The degree of functionalization of the covalently attached molecule, ...
2-Mercaptoimidazole covalently bonded to a silica gel surface for the selective separation of mercury(II) from an aqueous solution
(Marcel Dekker Inc, 1997-01-01)
Silica gel with a specific surface area of 365 m(2).g(-1) and an average pore diameter of 60 Angstrom was chemically modified with 2-mercaptoimidazole. The degree of functionalization of the covalently attached molecule, ...
Otimização da resistência à compressão de pastas cimentícias com superdosagem de aditivo dispersante e adição de sílicas ativa e sol-gel
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA MATERIAIS E DA CONSTRUÇÃO CIVILPrograma de Pós-Graduação em Construção CivilUFMG, 2018-08-31)
The use of mineral additives, such as active silica, leads to improvements in the properties of cementitious materials, mainly related to the compressive strength of the paste. With additives particles in nanometer scale, ...