Zobrazeno 1 - 2
of 2
pro vyhledávání: '"J. J. Ramírez Torres"'
Autor:
E. Ordoñez-Regil, M. L. Machain-Castillo, J. López Monroy, J. J. Ramírez Torres, L. C. Longoria-Gándara, G. García-Rosales
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 289:407-415
This study deals with the characterization of a marine sediments profile from the Gulf of Tehuantepec, Mexico. Ten sediment samples obtained from a core of 18.3 m of length were analysed. Although there have been numerous marine sediments studies car
Autor:
V. Camacho-Morán, J. López-Monroy, P. Villaseñor-Sánchez, J. A. Aspiazu-Fabian, J. J. Ramírez-Torres, E. T. Romero-Guzmán
Publikováno v:
Petroleum Science and Technology. 25:1391-1400
Asphaltenes from Mexican Maya crude oil were precipitated during one agitation hour using n-C5, n-C6, n-C7, and n-C8 at room temperature. Later the asphaltenes were washed with a soxhlet extraction system during 24 hr to remove the maltenes. The char