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임종권 ( Jong Kwon Im ),손현석 ( Hyun Seok Son ),김성근 ( Sung Keun Kim ),조경덕 ( Kyung Duk Zoh ) 한국물환경학회 2010 한국물환경학회지 Vol.26 No.6
Runoff from a parking lot can be highly contaminated nonpoint source due to the impermeability of rainwater. This study presented runoff characteristics of heavy metals especially Zn and Pb from a parking lot during total 17 rain events. Monitoring results showed the first flush phenomenon within 30 min was observed in all rain events, but the event mean concentration (EMC) did not clearly show the characteristics of runoff. The ranges of Pb and Zn was 4~20l μg/L and l3l~672 μg/L, respectively, and the runoff mass of Zn and Pb was highly to related with the flow rate, and runoff coefficient of rain. The runoff mass of Zn was greater than that of Pb in all events. The runoff mass of Pb was highly correlated with the amount of TSS, and TSS and DOC were was related with the mass of Zn. This result implies that Pb and Zn are mainly existed in the particulate form. The results can be used to as meaningful data in the management of nonpoint source, and in the management in the runoff catchment in the parking lot.
임종권 ( Jong Kwon Im ),박찬무 ( Chan Moo Pmk M D ) 한국보건사회연구원 1982 保健社會硏究 Vol.2 No.2
母性健康管理評價硏究를 위하여 全國 28個 綜合病院에서 分娩한 産母를 對象으로 1980年부터 1981年까지 2年間 蒐集된 分娩資料 41,462(産母40,777)件에 의거 周産期 死亡率을 밝히고 이와 연관되는 要因을 分析檢討하여 얻어진 所見은 다음과 같다. 1. 分娩時 産母의 年齡은 周産期死亡에 크게 관여하는 要因으로 U字 樣相을 나타 내고 있다. 즉 19歲以下 및 40歲以上에서의 周産期死亡率은 20~29歲 年齡層 보다도 死亡率이 3倍 以上이나 높게 나타났다. 2. 多産婦에 있어서 周産期死亡率은 初産婦나 經産婦에 比하여 死亡率이 높게 나타나고 있어 出産數는 周産期死亡에 影響을 미치고 있는 갓으로 나타났다. 3. 産前管理回數가 많을수록 周産期死亡率은 낮았다. 4. 分娩時妊娠週數는 周産期死亡에 크게 作用하고 있는 것으로 나타나고 있는바 妊娠40~41周에서의 死亡率이 15인데比하여 36周未滿에서의 死亡率은 22倍 以上이 높은 334에이르고 있다. 5. 分娩前姙娠婦의 貧血과 周産期死亡率-헤모글로빈値 9gm以下에서의 周産期死亡率은 72인데 比하여 10gm以上에서는 周産期率이 31이었다. 6. 分娩樣式과 周産期死亡率-吸引分娩에서의 死亡率이 15로 낮았고 自然分娩은 35이었으며 帝王切開術에 의한 分娩이 39, 그리고 位分娩이 가장 높은 239로서 吸引分娩보다도 무려 15倍以上이 높았다. 7. 新生兒體重과 周産期死亡率-周産期死亡 및 新生兒死亡에 決定的인 影響을 미치는 要因으로 分娩時 體重 1, 000gm未滿에서의 死亡率은 743으로서 3, 000~3, 499gm體重의 死亡率 13보다 무려 57倍의 높은 數値에 이르고 있다. 41,462 deliveries(40.777 mothers) in general hospitals from 1980-1981 were analyzed and it was found that perinatal mortality rate was 37 per 1000 births. The summary of the findings are as follows: A. The mortality rate was 3 times higher among mothers below 19 years of age and above 40 years of age compared with between 20-29 years of age. B. Mortality rate was higher in grand multiparas than in primiparas or multiparas. C. The more frequently the ante-natal visits were made the low the mortality rate. D. Among women with less than 36 weeks gestational duration, the mortality rate was 334. while that for women with 40-41 weeks was 15. E. Among women with less than 9 gram Hemoglobin level, the mortality rate was 72 while women with more than 10 gram rate was 31. F. As to delivery types, the highest mortality rate was found in breech cases. 249: outlet forceps and cesarean section, 39; spontaneous delivery, 35; and vuccum extractor, 15. G. Comparing two group`s babies` birth weight, less than 2500 grams with 2500 to 3999 grams, the mortality rate was 222 and 16 respectively. Mothers` delivery age. parity, ante-natal visit, gestation duration, anemic condition, delivery types and babies` birth weight were contributing factors in determining perinatal mortality rate.