• Proceedings of the Korean Society of Postharvest Science and Technology of Agricultural Products Conference
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• 2007.11a
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• pp.208-208
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• 2007

• Proceedings of the Korean Society of Crop Science Conference
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• 2007.11a
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• pp.235.1-235.1
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• 2007

• Bulletin of the Korean Chemical Society
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• v.23 no.7
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• pp.1035-1038
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• 2002

• The Journal of the Korea Contents Association
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• v.3 no.4
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• pp.103-110
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• 2003

In this paper, we investigate the properties of fuzzy spheres and estabilish convergence theorems of them. We expect that convergence theorems of fuzzy spheres may be useful for computer graphics and patten recognition.

• Proceedings of the PSK Conference
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• 2001.10a
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• pp.289.3-290
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• 2001

• Proceedings of the Korean Society of Life Science Conference
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• 2001.09a
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• pp.43-43
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• 2001

• Proceedings of the Korean Magnetic Resonance Society Conference
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• 2000.01a
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• pp.22-22
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• 2000

• Proceedings of the Malacological Society of Korea Conference
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• 2003.11a
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• pp.17-18
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• 2003

• Proceedings of the PSK Conference
• /
• 2003.04a
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• pp.280.1-280.1
• /
• 2003

The high-performance liquid chromatography method was performed for test method development of related compounds in pharmaceuticals. Using reverse-phase column and gradient elution of 1 ％ acetonitrile-acetonitrile: H20:triethylamine (70:30:0.5), lansoprazole, 2-hydroxybenzimidazole, 2-mercaptobenzimidazole, lansoprazole sulfone, lansoprazole sulfide could be individually identified and quantitated. (omitted)

• Korean Journal of Pharmacognosy
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• v.29 no.4
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• pp.347-352
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• 1998

Six minor diterpenes were isolated from Biota orientalis (Cupressa-ceae) leaves. On the basis of comparison with reported spectral data, they were identified as 7,15-isopimaradien-18-oic acid (isopimaric acid), 8(14),15-isopimaradien-18-oic acid (sandaracopimaric acid), 7,15-isopimaradien-3-ol, 7,15-isopimaradien-3,19-diol, 8(17),13-labdadien-16,15-olid-19-oic acid (demethylpinusolide), and 15-hydroxy-8(17),13-labdadien-19-oic acid (isocupric acid). They were first reported in the genus of Biota.