• 치위협보
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• s.44
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• pp.1-8
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• 2001

• 치위협보
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• s.55
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• pp.1-8
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• 2002

• 치위협보
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• s.67
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• pp.1-12
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• 2003

• 치위협보
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• s.100
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• pp.1-24
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• 2005

• 치위협보
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• s.102
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• pp.1-12
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• 2005

• 치위협보
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• s.98
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• pp.1-12
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• 2005

• 치위협보
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• s.33
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• pp.1-8
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• 2000

• 치위협보
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• s.97
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• pp.1-16
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• 2005

• Korean Journal of Community Nutrition
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• v.5 no.4
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• pp.778.1-778
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• 2000

• Journal of Environmental Science International
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• v.11 no.1
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• pp.63-68
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• 2002

In this study, we examined statistical analysis between sewage plant operations parameters and effluent quality We got six components from principle component analysis of the operation parameters and secondary effluent quality. 91.8% of the total variance was explained by the six components. The components were identified in the following order : 1) organic matter removal by aeration basin microbe, 2) settleability on secondary clarifier load, 3) removal of nutrients, 4) microbial number increasement and species diversity, 5) microbial activity in aeration basin, 6) oxidation in aeration basin.