Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"mobile NMR"”.
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Mobile NMR for rock porosity and permeability
Three different mobile Nuclear Magnetic Resonance (NMR) core-scanners were used to measure porosity and permeability of water-saturated drill cores and core plugs in a non-destructive way. In addition to their use in the laboratory, the small and light-weight devices are conveniently shipped, e.g. …
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Entwicklung und Anwendung mobiler NMR-Sonden
… the first part of this thesis the concept of an NMR endoscope for use in medical examinations and minimal invasive interventions has been investigated. An operative NMR endoscope had been developed and test measurements had been performed successfully. The experiments prove that the radial …
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NMR methods for strongly inhomogeneous magnetic fields : application on elastomers using the NMR-MOUSE
… of this work are related to the methodology of NMR in grossly inhomogeneous fields, especially of the NMR-MOUSE, and its applications in the material science. The results of the investigations can be summarized as follows: 1. An attempt was made to detect high resolution spectra in elastomers by …
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NMR of geophysical drill cores with a mobile Halbach scanner
This thesis is devoted to a mobile NMR with an improved Halbach scanner. This is a lightweight tube-shaped magnet with sensitive volume larger and a homogeneity of the magnetic field higher than the previous prototype version. The improved Halbach scanner is used for analysis of water-saturated …
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Anwendungen der NMR-MOUSE in Prozesstechnik, Materialforschung und Medizin
With the use of the NMR-MOUSE (Nuclear Magnetic Resonance – Mobile Universal Surface Explorer), a small, mobile magnetic resonance sensor, by which the information typically contained in one pixel of an NMR image, information can be collected either in situ or ex situ. This dissertation reveals new …
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NMR of elastomers and biological tissues
… a localized anisotropy was measured using 1H NMR images of tendons under mechanical load conditions encoded by the residual dipolar couplings of bound water. Two mobile NMR sensors and a series of radiofrequency coils were characterized. For the simulations of the NMR spine system response in …
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Biomedizinische Anwendungen der NMR-MOUSE
… is about investigations of biological tissues by mobile NMR.One aim of the project was the investigation of anisotropic structures in tendon by a mobile MR probe in order to achieve improvements in the early diagnosis of degeneration in Achilles tendon. Secondly the MR probe was used to detect …
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Non-destructive characterization of materials by single-sided NMR
NMR is a proved powerful method for the characterization of structure and motion in materials. Compared to other physical investigation methods, NMR provides unique information from a large variety of experiments, showing up in its different shapes as a unique tool for characterization of a large …