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김동수 ( Dong Soo Kim ),김연희 ( Yun Hee Kim ),윤욱 ( Uk Yun ),백계진 ( Kye Jin Paik ),문용운 ( Young Woon Moon ) 한국환경분석학회 2010 환경분석과 독성보건 Vol.13 No.2
The analysis of groundwater was carried out at 127 sites of Gwangju in 2005. The result of analysis for major anion contents showed chloride > sulfate > nitrate-nitrogen > fluoride and the one for major cation contents calcium > sodium > magnesium > potassium > ammonium. Correlation between the hardness of the groundwater and chloride, sulfate and total solids was carried out. Their correlation coefficients were 0.44, 0.30 and 0.91, respectively. This correlation coefficients were similar to other regions such as Seoul, Gangwon and Incheon. A correlation coefficient was 0.62 between nitrate-nitrogen and chloride and was 0.35 between chloride and sulfate.
이윤국 ( Youn Goog Lee ),박옥현 ( Ok Hyun Park ),안상수 ( Sang Su An ),김연희 ( Yun Hee Kim ),김종민 ( Jong Min Kim ),배석진 ( Seak Jin Bae ),백계진 ( Kye Jin Paik ),문용운 ( Young Woon Moon ) 한국환경분석학회 2011 환경분석과 독성보건 Vol.14 No.3
This study was performed to investigate the quality of spring water during the rainy periods in Mudeung mountain, in April, May, July and August 2010. The variation of physicochemical items such as pH, TDS, NO3-N, Cl-, SO4(2-) was not signigicant and the concentration at each sites satisfied with drinking water guideline except that of turbidity. The content variation of minerals like Ca2+, Mg2+, K+, Na+ showed generally stable during the rainy periods. Even though a photo catalyte sterilizer was used, total coliforms and fecal coliforms were detected in every sample collected, except for the one from Neutjae. That is why the sterilizing facility is exposed to many environmental variables such as insolation and rainfall. According to the distribution of species, at Jungmeorijae, total coliforms proliferate because of fecal contamination. However, at Neutjae, total coliforms were caused by plant, soil and water, rather than fecal.
박옥현 ( Ok Hyun Park ),김종민 ( Jong Min Kim ),김연희 ( Yun Hee Kim ),안상수 ( Sang Su An ),이윤국 ( Youn Goog Lee ),배석진 ( Seok Jin Bae ),강영주 ( Yeong Ju Kang ),백계진 ( Kye Jin Paik ) 한국환경분석학회 2012 환경분석과 독성보건 Vol.15 No.2
This study was performed to investigate the quality for microorganisms of water purifiers set up public places used lots of people which in public office, welfare facilities, public bath, school. The water purifiers were installed near the entrance and where they are easily found. None of them were installed at where they should not be installed at the locations stated by law. Heterotrophic plate count at public office, welfare facilities, public bath, school was 0~3,700 CFU/mL, 0~3,400 CFU/mL, 0~3,500 CFU/mL, 0~2,300 CFU/mL respectively. Total coliforms was not detected at public office and school, but found at welfare facilities and public bath. Fecal coliforms was not detected anywhere. The rates bellowing the drinking water quality at public office, welfare facilities, pubic bath, school are 36%, 28.7%, 22.9%, 9.5% respectively. Species of heterotrophic bacteria isolated from public office water purifiers was Micrococcus Luteus, Sphingomonas paucimobilis, Ralstonia mannitolilvtica, Pseudomonas fluorescens etc. Most of bacteria found during the testing are common bacteria that exist in typical living environment.