Results 151 to 160 of about 23,032 (162)

Distribution of vanadyl porphyrins in a Mexican offshore heavy crude oil

Fuel Processing Technology, 1996
A Campero
exaly  

Vanadyl Porphyrins as a Sulfur Trap in Heavy Oils

Energy & Fuels
Sergey N. Trukhan, Andrey M. Chibiryaev, Oleg N. Martyanov   +2 more
openaire   +1 more source

Chromatographic isolation of vanadyl porphyrins from heavy oil resins

Russian Chemical Bulletin, 2017
Svetlana G Yakubova, Dmitry N Borisov, Elvira G Tazeeva   +2 more
exaly  

Features of the composition of vanadyl porphyrins in the crude extract of asphaltenes of heavy oil with high vanadium content

Petroleum Science and Technology, 2016
Svetlana G Yakubova, Dmitry N Borisov, Elvira G Tazeeva   +2 more
exaly  

Highly selective allylic oxidation of cyclohexene to 2-cyclohexen-1-one under mild conditions over vanadyl-porphyrin implanted onto the amino-functionalized SBA-15

Microporous and Mesoporous Materials, 2019
Shohreh Farahmand, Mehran Ghiaci
exaly  

ANALYTICAL INVESTIGATIONS OF VANADYL PORPHYRIN FROM CARPATHIAN ROCKS

Environmental Engineering and Management Journal, 2010
Radu-Claudiu Fierascu, Rodica-Mariana Ion, Irina Dumitriu   +2 more
openaire   +1 more source

Distribution of vanadium and vanadyl porphyrins during fractionation of resins of heavy sulfurous oils

Petroleum Science and Technology, 2018
Svetlana G Yakubova, Elvira G Tazeeva, Pavel Gryaznov   +2 more
exaly  

Photochemically induced olefin oxidation by titanyl and vanadyl porphyrins

Journal of Molecular Catalysis, 1987
E.M.K. Mansour, P. Maillard, P. Krausz, S. Gaspard, C. Giannotti   +4 more
openaire   +1 more source

Occurrence and distribution of vanadyl porphyrins in Saudi Arabian crude oils

Fuel Processing Technology, 1998
exaly  

Enhanced coherence by coupling spins through a delocalized π-system: Vanadyl porphyrin dimers

CheM
Simon J. Coles, Harry Anderson, Fanmiao Kong   +2 more
exaly