Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Asthagiri, Dilip"'
Autor:
Parambathu, Arjun Valiya, Chapman, Walter G., Hirasaki, George J., Asthagiri, Dilip, Singer, Philip M.
Kerogen-rich shale reservoirs will play a key role during the energy transition, yet the effects of nano-confinement on the NMR relaxation of hydrocarbons in kerogen are poorly understood. We use atomistic MD simulations to investigate the effects of
Externí odkaz:
http://arxiv.org/abs/2212.02489
Autor:
Singer, Philip M., Parambathu, Arjun Valiya, Santos, Thiago J. Pinheiro dos, Liu, Yunke, Alemany, Lawrence B., Hirasaki, George J., Chapman, Walter G., Asthagiri, Dilip
Atomistic molecular dynamics simulations are used to investigate $^1$H NMR $T_1$ relaxation of water from paramagnetic Gd$^{3+}$ ions in solution at 25$^{\circ}$C. Simulations of the $T_1$ relaxivity dispersion function $r_1$ computed from the Gd$^{3
Externí odkaz:
http://arxiv.org/abs/2102.10763
Autor:
Singer, Philip M., Parambathu, Arjun Valiya, Wang, Xinglin, Asthagiri, Dilip, Chapman, Walter G., Hirasaki, George J., Fleury, Marc
The mechanism behind the $^1$H NMR frequency dependence of $T_1$ and the viscosity dependence of $T_2$ for polydisperse polymers and bitumen remains elusive. We elucidate the matter through NMR relaxation measurements of polydisperse polymers over an
Externí odkaz:
http://arxiv.org/abs/2003.02370
Autor:
Singer, Philip M., Asthagiri, Dilip, Chen, Zeliang, Parambathu, Arjun Valiya, Hirasaki, George J., Chapman, Walter G.
The role of internal motions and molecular geometry on $^1$H NMR relaxation times $T_{1,2}$ in hydrocarbons is investigated using MD (molecular dynamics) simulations of the autocorrelation functions for in{\it tra}molecular $G_R(t)$ and in{\it ter}mo
Externí odkaz:
http://arxiv.org/abs/1801.07803
Quantifying the statistics of occupancy of solvent molecules in the vicinity of solutes is central to our understanding of solvation phenomena. Number fluctuations in small `solvation shells' around solutes cannot be described within the macroscopic
Externí odkaz:
http://arxiv.org/abs/1706.08998
Publikováno v:
In Journal of Magnetic Resonance April 2017 277:15-24
Autor:
Fouad, Wael A., Haghmoradi, Amin, Wang, Le, Bansal, Artee, Al Hammadi, Ali, Asthagiri, Dilip, Djamali, Essmaiil, Cox, Kenneth R., Chapman, Walter G.
Publikováno v:
In Fluid Phase Equilibria 25 May 2016 416:62-71
Akademický článek
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Autor:
Pinheiro dos Santos, Thiago J., Parambathu, Arjun Valiya, Fraenza, Carla C., Walsh, Casey, Greenbaum, Steve G., Chapman, Walter G., Asthagiri, Dilip, Singer, Philip M.
Publikováno v:
Physical Chemistry Chemical Physics (PCCP); 12/7/2022, Vol. 24 Issue 45, p27964-27975, 12p
Akademický článek
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