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Braz. J. Phys. vol.36 número1A

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FIG. 1: Calculated NMR spectra of polycrystalline or amorphous samples (powder patterns) corresponding to different NMR interactions: a-c) Chemical Shift under different symmetry conditions; d) Dipolar interaction between two spins 1/2 distant each other b
FIG. 2: Series of CSA and quadrupolar ( 2 H) powder patterns simulated for different kinds of molecular motions
FIG. 3: a) CSA powder pattern (left) and line width at 2/3 of the maximum intensity measured as a function of temperature (right) for the ormolyte [88] 47 [30]
FIG. 4: a) Pulse sequence used in 1D DIPSHIFT experiments. b) Typical t 1 -dependence of 1D DIPSHIFT curves for different CH couplings (δ CH in kHz)
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