Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Hildemaro Melendez"'
Autor:
Claudio Lugo, Jairo Rondón, Hildemaro Melendez, Edder Garcia, Marlin Villarroel, Patricia Pérez, José Mercado, Héctor Del Castillo
Publikováno v:
Avances en Química, Vol 7, Iss 1, Pp 19-26 (2012)
Mixed oxide catalysts of NiO/MgO-La2O3 varying the proportions support were synthesized through the Lunsford method, successive impregnation. Different techniques were used to determine their physicochemical properties., EDX analysis, FTIR spectrosco
Externí odkaz:
https://doaj.org/article/cef4b6c5b1694de38b918d0a37b9132f
Autor:
Jairo Rondón, Edder Garcia, Claudio Lugo, Héctor Del Castillo, Patricia Pérez, Hildemaro Melendez
Publikováno v:
Avances en Química, Vol 5, Iss 1, Pp 37-44 (2010)
Mixed oxide catalysts of Co, Ni, Cu and Mn supported on MgO were synthesized using two different methods to obtain nanoparticles: the combustion method with urea and the sol-gel modified with citric acid. Different techniques were used to determine t
Externí odkaz:
https://doaj.org/article/e90aad175b1f4bb0af78c095c35c4cc7
Autor:
Claudio Lugo, Jairo Rondón, Patricia Pérez, Hildemaro Meléndez, Pedro Rodríguez, Edder García, Marlin Villarroel, Manuel Pérez, Ledys Sánchez, Freddy Imbert, Héctor Del Castillo
Publikováno v:
Avances en Química, Vol 8, Iss 1, Pp 29-40 (2013)
We have prepared mixed oxides of NiO/MgO-La2O3 by varying the proportions of the support through of the successive impregnation method. Different techniques were used to determine their physical-chemical properties, EDX analysis, X-ray diffraction, X
Externí odkaz:
https://doaj.org/article/0b3dca3d549f4263b48440f7410c8e06
Autor:
Hildemaro Meléndez, Jairo Rondón, Marbelia Cabrera, Edder Garcia, Claudio Lugo, Cleodaris Rivas
Publikováno v:
Avances en Química, Vol 7, Iss 3, Pp 151-158 (2012)
It is known that much of the oil is trapped in reservoirs after use of conventional methods for oil extraction. However, several methods have been introduced to increase the recovery of this oil, one of them is through the alteration of the wettabili
Externí odkaz:
https://doaj.org/article/018e30395a39414c98fdafc38e595d68
Publikováno v:
Avances en Química, Vol 7, Iss 3, Pp 223-226 (2012)
Beta zeolite is normally obtained with Si/Al 5 and infinity ratios, using tetraethylammonium (TEA) as templante. Important parameters in the TEA-Beta synthesis are alkali cation concentration, the type of cation used, the concentration of hydroxide,
Externí odkaz:
https://doaj.org/article/d1f19bb3b3ae4a829a738d74e6722aa4
Autor:
Claudio Lugo, Edder García, Jairo Rondón, Hildemaro Melendez, Patricia Pérez, Héctor Del Castillo
Publikováno v:
Redalyc
Jairo Rondón
Jairo Rondón
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8b7406413f9f87ba7f597079a84194d6
https://www.redalyc.org/articulo.oa?id=507550787006
https://www.redalyc.org/articulo.oa?id=507550787006
