In nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) the term relaxation describes several processes by which nuclear magnetization prepared in a non-equilibrium state return to the equilibrium distribution. In other words, relaxation describes how fast spins "forget" the direction in which they are oriented. The rates of this spin relaxation can be measured in both spectroscopy and imaging applications.
Read more about Relaxation (NMR): T1 and T2, Bloch Equations, Solomon Equations, Common Relaxation Time Constants in Human Tissues, Relaxation in The Rotating Frame, T1ρ, Microscopic Mechanisms, BPP Theory, See Also
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Famous quotes containing the word relaxation:
“Worst of all, there is no sign of any relaxation of antisemitism. Logically it has nothing to do with Fascism. But the human race is imitative rather than logical; and as Fascism spreads antisemitism spreads.”
—George Bernard Shaw (18561950)