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Detection of pits in olives under motion by nuclear magnetic resonance

✍ Scribed by Zion, B; Kim, S M; McCarthy, M J; Chen, P


Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
322 KB
Volume
75
Category
Article
ISSN
0022-5142

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✦ Synopsis


One-dimensional magnetic resonance projections of pickled olives were acquired while they were travelling on a conveyor belt which passed through a 2-tesla NMR magnet and a 150-mm imaging coil. The projections were used to distinguish between pitted and non-pitted olives. The e †ect of fruit position in the coil was tested and coil end e †ects were noticed when projections were generated under dynamic conditions. Sorting of 300 pitted and non-pitted olives at various belt speeds was tested. ClassiÐcation errors (pitted olives classiÐed as non-pitted and vice versa) were 4Γ‰3, 4Γ‰7, 2Γ‰3 and 4Γ‰0% at 0, 5, 15 and 25 cm s~1 belt speeds, respectively.


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