10:33   MRI Physics | Magnetic Resonance and Spin Echo Sequences - Johns Hopkins Radiology 0:32   Spin echo 1 0:16   MRI principles 1 of 4 -- 90 degree pulse and T1 relaxation.avi 9:20   What’s the difference between T1 and T2 relaxation? - MRI physics explained 0:24   NMR excitation and relaxation 5:26   Introductory NMR & MRI: Video 07: Measuring T1 and T2 Relaxation 0:37   Spin Echo Consolidated (expand the description below for a detailed explanation) 0:26   T2* MRI :-) 10:10   Einführung in NMR & MRI: Video 06: Spinechos, CPMG und T2-Relaxation 0:13   MRI principles 2 of 4 -- T2 dephasing.avi 0:09   MRI principles 4 of 4 -- 180 degree pulse.avi 3:28   NMR Excitation, Dephasing and Spin Echoes 5:26   How to interpret a Pulse Sequence Diagram - MRI explained 0:37   Spin Echo Dispersed (expand the description below for a detailed explanation)