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      • 농촌하천 건천화 특성조사 및 분석 -경기 진위천 중심-

        박기욱 ( Park Ki-wook ),윤여정 ( Yoon Yeo-jung ),주욱종 ( Ju Uk-jong ) 한국농공학회 2005 한국농공학회 학술대회초록집 Vol.2005 No.-

        The purpose of this study are to insure flow rate for rural stream in the rural area. The analysis of drying stream characteristics for two streams(Bong-mu, Wang-jang stream) from field survey data. Also, a study area has been determined, and criteria of estimation has been established : criteria such as, available hydrological data, the size of stream lengths and basin areas and regional characteristics. The spacial analysis is applied to stream slopes for upstream and downstream at weirs, stream networks and ground water pump stations, sinuosity of drying stream. As a result of drying streams survey analysis, drying stream characteristics are followed; levee types are earth and natural, cross sectional shapes are trapezoid, stream bed materials are gravels and sands, facilities in streams are weirs. The cause of the reduction analyzed by investigation of the current status of facilities for agricultural water use. Agricultural reservoirs block up the stream and water does not flow over the reservoirs except by storm. They also discharge water through diversion channels and the water diverted does not flow through the natural stream. Farmers directly take water from the stream by weirs.

      • 한국인의 고지혈증과 CETP 및 APOE 유전자다형

        양미희,양지연,윤여정 숙명여자대학교 약학연구소 2006 약학논문집-숙명여자대학교 Vol.23 No.-

        Since 1980s, hyperlipidemia in Korea has been rapidly increased and its related cardiovascular diseases are one of the main causes of death in Korea. Thus, for effective prevention of hyperlipidemia, clarification of etiology of the hyperlipidemia in Koreans is required. In this study, we focused on polymorphisms in genes, which are involved in cholesterol-transfer, and -binding, e.g. cholesteryl ester transfer protein (CETP) and apolipoprotein E (APOE). Study subjects were 257 Koreans (cases who had hyperlipidemia, LDL≥130, N=47; controls, N=210; Men, 62%). Genetic polymorphisms were determined by PCR-RFLP, and single base primer extension assays. As results, allele frequency of the CETP -Tag IB1 was significantly higher in cases than that in controls (p<0.05). When age and BMI were controled for statistics, there was 2.3 fold increase of OR (95%CI, 1.1-5.1) for hyperlipidemia in the Bl/Bl homozygotes compated to the B1/B2 heterozygotes. However, 2 SNPs, CI 12R and R158C of the APOE, or 5 haplotypes of the 2 SNPs were not associated with hyperlipidemia risk. Therefore, presence of the CETP-B1 allele has a potential of risk for Korean hyperlipidemia.

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