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methods for examination of water and wastewater", 18th edition, USA. Public health association, Washington, D. C.
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and R. Clarke, 1980, Advantages and disadvantages of using invertebrates in toxicity testing., In Aquatic invertebrate bioassays, Buikema A. L. and J. Cairns(Eds.). STP 715., American Society for Testing and Meterials, Philadelphia, PA, pp.36∼47.
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of Activity-Based Costing and the Impact of Contextual and Organizational Factors," Journal of Management Accounting Research, Vol. 10, 1998.
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1. 실험제목 : SO42-의 정량분석
2. 실험목적
3. 실험원리
4. 기기, 기구, 시약
5. 실험방법
6.순서도
7. 실험 결과
8. 토의 및 고찰
9. 참고문헌
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약 1.5%가 TP(Total Phosphorus)
1. introduction&objectives
I. 배경지식
1. Instruction
2. TP(Total Phosphorus)의 정의
3. 각종 인의 측정
2. Experimental Procedures
I. 실험기구 및 시약
II. 실험과정
3. Results
I. Ortho and Total Phosphorus
4. Discussion
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and Johnson, M.G. : Colony count methods. Compendium of methods for the microbiological examination of foods. 75-95p. 3rd ed. American Public Health Association, Washington D.C., 1992
19. 채영암, 구자옥, 서학수, 이영만 : 177-212p. 기초생물통계학, 향문사 서울 (1991)
20. Miller, L.G., and Kaspar,
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and girls in seoul were taken as a population, and the sampling methodology used depended after selecting four high schools in Seoul upon the convenience sampling method, an non-probability sampling method. To the subjects 600 copies of the questionnaire specially made out for this study were distri
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of environmental air-sampling studies conduced in Owens-corning fiberglass manufacturing plants, In: Occupational exposure to fibrous glass, Proceedings of a symposium, college park, Maryland, 26-27 June 1974, Washington DC, US Department of Health, Education and Welfare, 00. 115-129.
21. Hammad, Y
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Examination System
1. To improve the quality of dental hygienists, the examination system must make mandatory examinations that include lab and real-world performance examinations.
- Oral prophylaxis: current structures of medical methods must be improved.
- Oral hygiene education: in addition to me
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