Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Reinaldo, Atencio"'
Autor:
Pedro Silva, Laura Rodríguez, Julio Cáceres, Yesenia Pacheco, Joel Eduardo Vielma, Eleida Sosa, Reinaldo Atencio, Julia Bruno-Colmenárez, Alexander Briceño, Erick Limones
Publikováno v:
Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials. 77:99-114
Exploiting the kinetic domain provided by hydrothermal conditions, it was possible to isolate three transient metastable crystal structures, each bearing concomitant pairs of octamolybdate isomers, namely, α–β, γ–β or βcs–βgp stabilized b
Autor:
Sabrina Acevedo, Lissa Galicia, Eric Plaza, Reinaldo Atencio, Alejandro Rodríguez, Eduardo González
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 39, Iss 2 (2016)
Carbones minerales de la mina Paso Diablo en Guasare, específicamente aquellos ubicados en los mantos IV y V de la mina Paso Diablo, fueron activados químicamente con hidróxido de potasio (KOH). La caracterización fue realizada por medio de norma
Externí odkaz:
https://doaj.org/article/fefa1ebfd5874119a1fc1a85d5b9b36b
Publikováno v:
Universitas Scientiarum, Vol 14, Iss 2-3, Pp 216-224 (2009)
To prepare new indolic molecules and characterize them by spectroscopic methods. Materials and methods: All reagentswere purchased from Aldrich, commercial grade. The purity of the products and the composition of the reaction mixtures were monitoredb
Externí odkaz:
https://doaj.org/article/140b310169664e4e9a6bd43cf2e8e351
Autor:
Philippe Dieudonné, Isabelle Beurroies, Reinaldo Atencio, Alexander Briceño, Pedro Silva, Haci Baykara, Gustavo Liendo
Publikováno v:
Crystal Growth & Design. 19:2485-2492
Two novel compounds, {[Cu(bpy)2]3H2W12O40}·3H2O (1) and {{[Cu(OH2)(bpy)][Cu(bpy)]2W6O21}·4H2O}n (2), were isolated under hydrothermal conditions. Compound 1 is an α-metatungstate Keggin unit decorated by three “{Cu(bpy)2}2+” fragments. Compoun
Autor:
Gabriela Carruyo, Eduardo González, Miguel Angel Ramos, Reinaldo Atencio, Tereza Bandosz, Mykola Seredych, Alexander Moronta
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 35, Iss 2 (2013)
The aim of this study was to modify a synthetic clay with MgO and a non-ionic surfactant (Igepal CA-720), impregnated with Cu or Fe to evaluate the H2S removal. The Cu and Fe content was: 1.0; 8.0 and 15wt. %, bimetallic Cu-Fe solids were also prepar
Externí odkaz:
https://doaj.org/article/0f712f1e761446549dd807142411847d
Autor:
Reinaldo Atencio, Lisbeth Mendoza, Merlin Rosales, Gustavo Chacón, Briceño Alexander, Edgar Ocando-Mavarez, Julia Bruno-Colmenárez, Teresa González
Publikováno v:
Acta crystallographica. Section C, Structural chemistry. 76(Pt 9)
A series of related acetylacetonate–carbonyl–rhodium compounds substituted by functionalized phosphines has been prepared in good to excellent yields by the reaction of [Rh(acac)(CO)2] (acac is acetylacetonate) with the corresponding allyl-, cyan
Autor:
Leiner Semprún, Roger Solano, Jorge Sánchez, Gabriela Carruyo, Miguel íngel Ramos, José Antonio Enao, Reinaldo Atencio, Tereza Bandosz, Mykola Seredych, Alexander Moronta
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 34, Iss 1 (2011)
Mesoporous solids were used for hydrogen sulfide removal from stream H2S-Air. These solids were synthesized from a natural montmorillonite clay (STx-1) using the template method with a non-ionic surfactant and exchanged with Fe3+, Cu2+ and Fe3+-Cu2+;
Externí odkaz:
https://doaj.org/article/ee24700e6c874b219b51a6f91f9ddeb9
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 1, Pp o28-o29 (2008)
The title compound, C27H31N3, has E substitution at each imine double bond where the two N atoms adopt a trans–trans relationship. The benzene rings are twisted out of the mean plane of the pyridine ring; the mean planes of the aromatic groups are
Externí odkaz:
https://doaj.org/article/a545fa6d3db044fd8d03134e8dda8e47
Autor:
Luis E. Seijas, Julia Bruno-Colmenárez, Marinel Quintero, Luis Rincón, Rafael Almeida, Reinaldo Atencio
Publikováno v:
Journal of Chemical Crystallography. 47:47-58
The 1:2 ratio salicylic acid/biimidazole co-crystal is studied in this work. I This compound was obtained from a flux with methanol followed by slow evaporation, rendering colorless plates, that crystallize in the monoclinic system, space group P21/n
Autor:
Asiloé J. Mora, Reinaldo Atencio, Kristal N. Varela, Julia Bruno-Colmenárez, Gerzon E. Delgado
Publikováno v:
Molecular Crystals and Liquid Crystals. 609:218-227
The title compound has been synthesized by grinding in an agate mortar. Its structure was characterized by TGA-DSC studies, FT-IR, X-ray powder diffraction data, and single-crystal X-ray diffraction. This compound crystallize in the monoclinic system