Abstract
Magnetic resonance techniques are widely used in biological materials that have lots of moistures. In this study, we examined the magnetic resonance properties of dried Korean red ginseng. Relaxation time constants, spin-lattice and spin-spin relaxation time constants, of various grades of red ginsengs were measured and analyzed. Also free induction decay signals were obtained and analyzed. Internal physical information was obtained nondestructively from normal and abnormal red ginsengs using a magnetic resonance imaging (MRI) system. Single point imaging technique was used to image dried red ginsengs. Various types of internal defects were visualized and analyzed. MR techniques suggested ways to examine dry materials effectively.
| Original language | English |
|---|---|
| Pages (from-to) | 1044-1048 |
| Number of pages | 5 |
| Journal | Key Engineering Materials |
| Volume | 270-273 |
| Issue number | II |
| DOIs | |
| State | Published - 2004 |
| Event | Proceedings of the 11th Asian Pacific Conference on Nondestructive Testing - Jeju Island, Korea, Republic of Duration: 2003.11.3 → 2003.11.7 |
Keywords
- Free induction decay signals
- Internal defects
- Korean red ginseng
- Magnetic resonance imaging
- Relaxation time constants
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Mechanical
- Materials Science
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