Results 41 to 50 of about 864,738 (314)

NMR spin-rotation relaxation and diffusion of methane [PDF]

The Journal of Chemical Physics, 2018
The translational diffusion-coefficient and the spin-rotation contribution to the 1H NMR relaxation rate for methane (CH4) are investigated using MD (molecular dynamics) simulations, over a wide range of densities and temperatures, spanning the liquid, supercritical, and gas phases.
P. M. Singer, D. Asthagiri, W. G. Chapman, G. J. Hirasaki   +3 more
openaire   +4 more sources

A brief review on the application of NMR relaxation methods in food metabolomics for arabica coffee [PDF]

E3S Web of Conferences
Nuclear Magnetic Resonance (NMR) relaxometry has emerged as a complementary tool in food metabolomics to investigate molecular dynamics beyond conventional spectral analysis.
Dziban Assauqi Jauhar, Wonorahardjo Surjani   +1 more
doaj   +1 more source

Distribution of NMR Relaxations in a Random Heisenberg Chain [PDF]

Physical Review Letters, 2011
4 pages, 4 figures ...
Shiroka T, Casola F, Glazkov V, Zheludev A, Prsa K, Ott HR, Mesot J   +6 more
openaire   +4 more sources

Protein folding on the ribosome studied using NMR spectroscopy [PDF]

, 2013
NMR spectroscopy is a powerful tool for the investigation of protein folding and misfolding, providing a characterization of molecular structure, dynamics and exchange processes, across a very wide range of timescales and with near atomic resolution.
Christodoulou, J, Christodoulou, John, Launay, H, Launay, Hélène, Cabrita, Lisa D., Cabrita, L.D., Launay, H., Waudby, CA, Cabrita, LD, Waudby, Christopher A.   +9 more
core   +1 more source

Transverse NMR Relaxation as a Probe of Mesoscopic Structure [PDF]

Physical Review Letters, 2002
4 pages, 3 ...
Kiselev, Valerij G., Novikov, Dmitry S.
openaire   +4 more sources

Calculation of Relaxation Spectra from Stress Relaxation Measurements [PDF]

, 2010
Application of stress on materials increases the energy of the system. After removal of stress, macromolecules comprising the material shift towards equilibrium to minimize the total energy of the system.
Kontogiorgos, Vassilis, Vassilis Kontogiorgos   +1 more
core   +1 more source

A systematic investigation of drilling fluid bulk relaxation impact on NMR interpretation for formation evaluation

Petroleum
During drilling, mud filtrate invasion alters near-wellbore properties which possibly impacts well logging measurements causing inaccuracies in formation evaluation.
Fauzan Akomolafe, Ammar El-Husseiny, Abdulrauf Adebayo, Mohamed Mahmoud, Badr Bageri   +4 more
doaj   +1 more source

Fermi-liquid damping and NMR relaxation in superconductors [PDF]

Physical Review B, 1996
Electron collisions for a two dimensional Fermi liquid (FL) are shown to give a quasiparticle damping with interesting frequency and temperature variations in the BCS superconducting state. The spin susceptibility which determines the structure of the damping is analyzed in the normal state for a Hubbard model with a constant on--site Coulomb repulsion.
Tewari, Shubha, Ruvalds, John
openaire   +3 more sources

CASD-NMR: critical assessment of automated structure determination by NMR [PDF]

, 2009
NMR spectroscopy is currently the only technique for determining the solution structure of biological macromolecules. This typically requires both the assignment of resonances and a labor-intensive analysis of multidimensional nuclear Overhauser effect ...
NMR Spectroscopy, Sub NMR Spectroscopy, van der Schot, G., Bonvin, A.M.J.J., Rosato, A.   +4 more
core   +1 more source

Experimental analysis of oil-water nuclear magnetic relaxation characteristics of complex conglomerate reservoir

地球与行星物理论评
The lithology and pore structure of conglomerate reservoir in the Mahu sag, China, are complex, which makes it difficult to identify reservoir fluids. In this study, the body relaxation characteristics of crude oil at different temperatures were obtained
Chaoguo Tian, Xueliang Wang, Bo Wei, Jing Liang, Wenhong Mao, Xuejie Geng, Huiying Li   +6 more
doaj   +1 more source