Native vanadyl complexes in crude oil as polarizing agents for in situ proton dynamic nuclear polarization
The presence of paramagnetic species such as vanadyl complexes (VO2+) and free carbon
radicals in petroleum disperse systems (PDSs) such as crude oil, bitumen, or kerogen …
radicals in petroleum disperse systems (PDSs) such as crude oil, bitumen, or kerogen …
Waste not, want not: sustainable use of anti-stripping-treated waste ceramic in superpave asphalt mixtures
MJ Al-Kheetan - Sustainability, 2023 - mdpi.com
This research studied the sustainable utilization of waste ceramic in asphalt mixtures by
substituting fine aggregate with treated and untreated waste ceramic produced from …
substituting fine aggregate with treated and untreated waste ceramic produced from …
Temperature dependence of the electron paramagnetic resonance spectrum of asphaltenes from Venezuelan crude oils and their vacuum residues
The electron paramagnetic resonance (EPR) technique is used to evaluate the temperature
dependence of the aggregation processes in asphaltenes of heavy and extra-heavy crude …
dependence of the aggregation processes in asphaltenes of heavy and extra-heavy crude …
Determination of pores properties in rocks by means of helium-3 NMR: A case study of oil-bearing arkosic conglomerate from North belt of crude oil, Republic of Cuba
K Safiullin, V Kuzmin, A Bogaychuk, E Alakshin… - Journal of Petroleum …, 2022 - Elsevier
The developments of helium-3 nuclear magnetic resonance (NMR) technique to assess
porous media properties such as porosity and pore size distribution (PSD) are reported. The …
porous media properties such as porosity and pore size distribution (PSD) are reported. The …
[PDF][PDF] Application of pulsed and high-frequency electron paramagnetic resonance techniques to study petroleum disperse systems
MR Gafurov, AA Ponomarev, GV Mamin… - Georesursy, 2020 - researchgate.net
The spectral and relaxation characteristics of “free” organic radicals (FR) and vanadyl-
porphyrin (VP) complexes in various petroleum disperse systems (PDS) like bitumen …
porphyrin (VP) complexes in various petroleum disperse systems (PDS) like bitumen …
Electron paramagnetic resonance study of the fractions and trapped compounds in asphaltenes of merey heavy crude oils and its vacuum residue
MS Hernández, PJ Silva - Energy & Fuels, 2020 - ACS Publications
The electron paramagnetic resonance (EPR) technique was used to study the behavior of
the asphaltenes from the Merey crude oil (ASCM), its vacuum residue (ARVM), its fractions …
the asphaltenes from the Merey crude oil (ASCM), its vacuum residue (ARVM), its fractions …
Probing the surface of synthetic opals with the vanadyl containing crude oil by using EPR and ENDOR techniques
M Gafurov, A Galukhin, Y Osin… - … Resonance in Solids …, 2019 - cyberleninka.ru
Porous silica materials offer wide range of possibilities for enhancement of the productivity of
oil reservoirs. However the mechanism of adsorption of polar components of crude oil on …
oil reservoirs. However the mechanism of adsorption of polar components of crude oil on …
[HTML][HTML] Применение импульсных и высокочастотных методов электронного парамагнитного резонанса для исследования нефтяных дисперсных систем
МР Гафуров, АА Пономарев, ГВ Мамин… - Георесурсы, 2020 - cyberleninka.ru
Методами стационарного и импульсного электронного парамагнитного резонанса
(ЭПР) в двух частотных диапазонах (X и W, с частотами микроволнового излучения …
(ЭПР) в двух частотных диапазонах (X и W, с частотами микроволнового излучения …