National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Measurement of relaxation constants, using MR techniques
Pavlíček, Petr ; Chmelař, Milan (referee) ; Gescheidtová, Eva (advisor)
Bachelor‘s thesis deals with measuring methods of relaxation times T1 and T2 using nuclear magnetic resonance (NMR) and experimental measuring of conductive gels samples. In the theoretical part an analysis of the behavior of atoms placed in the magnetic field, basic principles of NMR functionality and commonly used measuring sequences for relaxation times detection are given. The experimental part is oriented to measuring both relaxation times of conductive gels samples, which were examined in terms of use in lithium-polymer (Li-Pol) accumulators. Relaxation times T1 were measured using Inversion Recovery (IR) method and relaxation time T2 using Hahn Echo and halfwidth methods.
Measurement of relaxation constants, using MR techniques
Pavlíček, Petr ; Chmelař, Milan (referee) ; Gescheidtová, Eva (advisor)
Bachelor‘s thesis deals with measuring methods of relaxation times T1 and T2 using nuclear magnetic resonance (NMR) and experimental measuring of conductive gels samples. In the theoretical part an analysis of the behavior of atoms placed in the magnetic field, basic principles of NMR functionality and commonly used measuring sequences for relaxation times detection are given. The experimental part is oriented to measuring both relaxation times of conductive gels samples, which were examined in terms of use in lithium-polymer (Li-Pol) accumulators. Relaxation times T1 were measured using Inversion Recovery (IR) method and relaxation time T2 using Hahn Echo and halfwidth methods.

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