Suivre
Ivan Esteves
Ivan Esteves
geochemist research
Adresse e-mail validée de inzit.gob.ve
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The organic geochemistry of oil seeps from the Sierra de Perijá eastern foothills, Lake Maracaibo Basin, Venezuela
M Escobar, G Márquez, S Inciarte, J Rojas, I Esteves, G Malandrino
Organic Geochemistry 42 (7), 727-738, 2011
922011
Characterization of Xenorhabdus and Photorhabdus bacteria by Fourier transform mid-infrared spectroscopy with attenuated total reflection (FT-IR/ATR)
E San-Blas, N Cubillán, M Guerra, E Portillo, I Esteves
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 93, 58-62, 2012
332012
ATR/FTIR characterization of Steinernema glaseri and Heterorhabditis indica
E San-Blas, M Guerra, E Portillo, I Esteves, N Cubillán, Y Alvarado
Vibrational Spectroscopy 57 (2), 220-228, 2011
242011
Geochemistry of the Mirador Formation (Late Eocene-Early Oligocene), southwestern Venezuela: Chemostratigraphic constraints on provenance and the influence of the sea level
K Reátegui, M Martínez, I Esteves, JV Gutiérrez, A Martínez, W Meléndez, ...
Geochemical Journal 39 (3), 213-226, 2005
222005
Trace elements of Paleocene Táchira coals, southwestern Venezuela: a geochemical study
M Martı́nez, M Escobar, I Esteves, C López, F Galarraga, R González
Journal of South American Earth Sciences 14 (4), 387-399, 2001
152001
The use of the autocorrelation function in modeling of multivariate data
CE Alciaturi, ME Escobar, I Esteves
Analytica chimica acta 553 (1-2), 134-140, 2005
92005
Ensaio de Proveniências de Pinus pinaster Ait. Resultados de quatro anos de ensaio
A Aguiar, MI Roldão, I Esteves, J Baeta
Silva Lusitana 7 (1), 39-47, 1999
91999
Fourier-transformed infrared spectroscopy: a tool to identify gross chemical changes from healthy to yellow band disease tissues
M Guerra, MA López, I Estéves, AL Zubillaga, A Cróquer
Diseases of aquatic organisms 107 (3), 249-258, 2014
82014
Organic geochemical investigation and coal-bed methane characteristics of the Guasare coals (Paso Diablo Mine, Western Venezuela)
K Quintero, M Martínez, P Hackley, G Márquez, G Garban, I Esteves, ...
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 33 …, 2011
72011
El origen del carbón. Consideraciones generales acerca del proceso de formación
I Esteves, M Martínez
Revista de la Sociedad Venezolana de Química 20 (2), 3-6, 1997
71997
Effect of solvent structure and amine addition on the depolymerization of a bituminous Venezuelan coal
AC Gamboa, M Martínez, G Garbán, I Esteves, M Escobar, K Quintero, ...
Fuel 235, 908-912, 2019
62019
Study of Maracaibo Lake water-coal interaction
Y Parra, I Esteves, M Escobar, E Portillo, JA Rojas
Revista Técnica de la Facultad de Ingeniería, Universidad de Zulia 31, 2008
52008
Geochemistry and chemostratigraphy of the Colón-Mito Juan units (Campanian-Maastrichtian), Venezuela: Implications for provenance, depositional conditions, and stratigraphic …
LA Montilla, M Martínez, G Márquez, M Escobar, C Sierra, JR Gallego, ...
Geochemical Journal 47 (5), 537-546, 2013
42013
The application of mathematical and statistical methods in industry
C Alciaturi, M Escobar, I Esteves, Z Duque
Revista Técnica de la Facultad de Ingeniería. Universidad del Zulia 33 (2), 2012
32012
Origin, thermal maturity and alteration level of oil sepes in the Perijá range foothills, Venezuela
E Portillo, J Torres, A González, I Esteves, J Rojas, M Escobar
Revista Técnica de Ingeniería de la Universidad del Zulia 31, 97-106, 2008
32008
Vanadium, nickel and porphyrins as tracers of secondary migration route of petroleum: Maracaibo Lake Basin, Venezuela
M Escobar, A Da Silva, V Azuaje, I Esteves
Revista Técnica de la Facultad de Ingeniería Universidad del Zulia 30, 391-400, 2007
32007
Detection and interpretation of cyclic patterns in coals from Los Cuervos Formation, Venezuela
M Martínez, G Garbán, A Benavides, M Escobar, I Esteves
Revista Técnica de la Facultad de Ingeniería Universidad del Zulia 28 (3 …, 2005
32005
EFECTO DEL RANGO SOBRE LA DEPOLIMERIZACIÓN DE CARBÓN ASISTIDA POR SOLVENTES: REVISIÓN DE LOS MODELOS MOLECULARES
M Martínez, G Garbán, C González, K Quintero, A Gamboa, C López, ...
22007
Non-parametric approach to analysing PAHs data in atmospheric settled particles: Valencia City, Venezuela
A Gamboa, C Laurent-Singh, R Fernández, M Martínez Santana, ...
International journal of environmental studies 77 (1), 14-29, 2020
12020
Characterization of Physicochemically Abnormal Coals in the Matarere Formation (Cerro Saroche National Park, Venezuela)
I Esteves, M Martínez, M Escobar, G Márquez, O Moreno, A Ruggiero, ...
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 35 …, 2013
12013
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