Search Results - "ALBORNOZ, Alberto"

Modified cassava starches as potential corrosion inhibitors for sustainable development by OCHOA, Nathalie

“…Activated (AS) and carboxymethylated (CMS sub(0.24)) cassava starch derivatives were studied as corrosion inhibitors for carbon steel XC35 in a 200 mgL…”
Get full text

Effect of lanthanum addition on the properties of potassium-free catalysts for ethylbenzene dehydrogenation by de Santana Santos, Manuela, Marchetti, Sergio Gustavo, Albornoz, Alberto, do Carmo Rangel, Maria

“…The ethylbenzene dehydrogenation in the presence of steam is the dominant technology for styrene production, one of the most important high value chemicals…”
Get full text

Electronic Properties and Phase Transformations in CoMoO4 and NiMoO4:  XANES and Time-Resolved Synchrotron XRD Studies by Rodriguez, José A, Chaturvedi, Sanjay, Hanson, Jonathan C, Albornoz, Alberto, Brito, Joaquín L

“…The thermal stability of a series of cobalt and nickel molybdates (AMoO4·nH2O, α-AMoO4, and β-AMoO4; A = Co or Ni) was examined using synchrotron-based…”
Get full text

Adding a micropore framework to a parent activated carbon by carbon deposition from methane or ethylene by Ramı́rez, Syreima, Ferreira, David, Gottberg, Verònica, Labady, Mary, Albornoz, Alberto, Laine, Jorge

Get full text

An X-ray photoelectron spectroscopy study of the atomization of Mo from pyrolytic graphite platforms in Electrothermal Atomic Absorption Spectroscopy by Ruiz, Frine, Benzo, Zully, Garaboto, Angel, León, Vladimir, Ruette, Fernando, Albornoz, Alberto, Brito, Joaquín L.

“…X-ray photoelectron spectroscopy (XPS) was employed as the analytical tool for the identification of the solid state species formed during the atomization of…”
Get full text

Correlación anatomo-clínica y padecimientos inguino-escrotales Anatomoclinical correlation and acute inguinoscrotal conditions by Hernando Alberto Albornoz

“…Estudio descriptivo, analítico, y comparativo, realizado en cadáveres de embriones, fetos y adultos del género masculino, pertenecientes al laboratorio de…”
Get full text

A comparison between the precipitation and impregnation methods for water gas shift catalysts by Pereira, Amalia Luz C., Berrocal, Guillermo José P., Marchetti, Sérgio G., Albornoz, Alberto, de Souza, Alexilda O., Rangel, Maria do Carmo

“…Chromium-doped magnetite was prepared by precipitation and impregnation methods, to obtain catalysts for water gas shift reaction. Chromium preserved the…”
Get full text

Novel supports for nickel-based catalysts for the partial oxidation of methane by Berrocal, Guillermo Paternina, Silva, Andre L. M. Da, Assaf, José M., Albornoz, Alberto, Rangel, Maria do Carmo

“…Zirconia-supported nickel catalysts with different amounts of aluminum (Al/Zr = 0.2, 1 and 2) were studied in this work in order to find alternative supports…”
Get full text

The influence of dopants on the catalytic activity of hematite in the ethylbenzene dehydrogenation by Ramos, Márcia de Souza, Santos, Manuela de Santana, Gomes, Lucimar Pacheco, Albornoz, Alberto, Rangel, Maria do Carmo

“…The effect of neodymium, lanthanum, aluminum and zirconium on the textural and catalytic properties of hematite was studied to develop catalysts to…”
Get full text

Variantes anatómicas de las ramas arteriales de la aorta descendente abdominal by Hernando Alberto Albornoz Enríquez

“…El propósito de esta investigación persigue evaluar por medio de la disección de cadáveres, las variantes arteriales de las ramas de la aorta descendente…”
Get full text

Porosities and pore sizes in coralline calcium carbonate by Laine, Jorge, Labady, Mary, Albornoz, Alberto, Yunes, Simon

“…Coral is a material that recently has gained increased attention as a potential bone graft substitute material. The porosity and pore size distribution of the…”
Get full text

Variantes anatómicas de las ramas arteriales de la aorta descendente abdominal Anatomic variants of the descending abdominal aorta arterial branches by Hernando Alberto Albornoz Enríquez

“…El propósito de esta investigación persigue evaluar por medio de la disección de cadáveres, las variantes arteriales de las ramas de la aorta descendente…”
Get full text

Effect of iron on the properties of sulfated zirconia by Pereira, Amalia Luz Costa, Marchetti, Sergio Gustavo, Albornoz, Alberto, Reyes, Patrício, Oportus, Marcelo, Rangel, Maria do Carmo

“…The effect of iron on sulfated zirconia was studied in this work. When Fe/Zr ≤ 0.4 all iron ions go into zirconia but higher amounts (Fe/Zr ≥ 0.8) leads to…”
Get full text

Microwave-assisted polyol synthesis of Pt/H-ZSM5 catalysts by Mediavilla, Marta, Morales, Husley, Melo, Luis, Sifontes, Angela B., Albornoz, Alberto, Llanos, Aura, Moronta, Delfin, Solano, Roger, Brito, Joaquín L.

“…Three H-ZSM5 solids with Si/Al atomic ratios of 22, 71 and 96 were synthesized and characterized by X-ray diffraction (XRD), ICP-AES chemical analysis and…”
Get full text

MIBK from acetone on Pd/H-[Ga]ZSM5 catalysts: Effect of metal loading by Mediavilla, Marta, Melo, Luis, Díaz, Yraida, Albornoz, Alberto, Llanos, Aura, Brito, Joaquín L.

“…This work presents the preparation and characterization of three bifunctional catalysts consisting of palladium supported on H-[Ga]ZSM5 zeolite, with a Si/Ga…”
Get full text

Síntesis y caracterización de nuevos complejos terpiridinicos de Ti, Cr, Fe y Co by Lissette N. Jiménez T, Arquimedes Karam, Alberto Albornoz

“…This paper shows the synthesis of TrpMClx complexes, where M = Ti, Cr, Co or Fe, x = 2 or 3, and Trp = terpyridine. The compounds were characterized, provided…”
Get full text

Preparation and characterization of bifunctional catalysts of the Pd, Pt/H[Ga]MFI types by Melo, Luis, Díaz, Yraida, Mediavilla, Marta, Llanos, Aura, Albornoz, Alberto, Brito, Joaquín L.

“…An MFI type galosilicate was synthesized and characterized employing XRD, N 2 adsorption at −196 °C, chemical analysis by ICP-AES, and XPS. This material was…”
Get full text

Effect of the alkoxyl ligands on ethylene polymerization by TpTiCl 2(OR) complexes by Karam, Arquimedes, Casas, Emilio, Catarí, Edgar, Pekerar, Sara, Albornoz, Alberto, Méndez, Bernando

“…The TpTiCl 2(OR) complexes activated with very low concentration of MAO showed very high activity in the ethylene polymerization. The alkoxyl ligands strongly…”
Get full text

Characterization of bifunctional Pt/H[Ga]ZSM5 and Pt/H[Al]ZSM5 catalysts II. Evidences of a Pt-Ga interaction by DIAZ, Yraida, MELO, Luis, MEDIAVILLA, Marta, ALBORNOZ, Alberto, BRITO, Joaquin L

Get full text

Iron(II) and cobalt(II) tris(2-pyridyl)phosphine and tris(2-pyridyl)amine catalysts for the ethylene polymerization by Karam, Arquímedes, Tenia, Rita, Martínez, María, López-Linares, Francisco, Albano, Carmen, Diaz-Barrios, Antonio, Sánchez, Yanixia, Catarí, Edgar, Casas, Emilio, Pekerar, Sara, Albornoz, Alberto

“…Iron(II) and cobalt(II) catalysts based on tris(2-pyridyl)amine and tris(2-pyridyl)phosphine ligands have been prepared. These catalysts showed moderate to…”
Get full text