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백승훈,안동완 강릉대학교 동해안지역연구소 2000 東海岸硏究 Vol.11 No.1
In this work we had sampled and analyzed 23 different kinds of foods in order to monitor the environmental radioactivity of Kangnung province. The radioactivity concentrations of 137Cs for the samples were less than minimum detectable activity for most ones. And 40K concentrations were in the range of 31.8∼710 Bq/kg·fresh, which were different from each other but quite similar to the ones for our country. From this result we could say that those foods were edible. But we should have to do the project continuously for summing up the data of the environmental radioactivity. Thus we could have the criteria for the safety of radioactivity in the near future.
안동완,백승훈 강릉대학교동해안지역연구소 1999 東海岸硏究 Vol.10 No.2
In this study we want to get the systematic data about the distribution of environmental radioactivity levels in Kangnung province, and use them as criteria for the health of the citizens and the conservation of our environment. The gross beta activities in the airborn-dust, fallout, precipitation and tapwater had been periodically measured in Kangnung province. Also the gamma exposure rates had been done during the past 5-years. And the artificial gamma radionuclide for the airborn-dust, fallout and precipitation have been analyzed in 1998. We have got the measument values, the 7.44 mBq/㎥ for airborn-dust, 10.7 MBq/㎢30days for fallout, 0.11 Bq/ℓ for precipitation, 0.05 Bq/ℓ for tapwater, which are the almost the same levels of radioactivity in other 8 provinces in Korea. And the results of the gamma analysis are less than the MDA. From these ones, we can see that the environmental radioactivity levels in Kangnung province are safe.
Expression of N-terminal truncated desmoglein 3 and its role in keratinocyte diffentiation
( Seung Ju Back ),( Dae Hun Kim ),( Jung Suk Lee ),( Hyun Kyung Yoon ),( Kyung Cheol Sohn ),( Sun Ho Kee ),( Chang Deok Kim ),( Young Joon Seo ),( Jang Kyu Park ),( Jeung Hoon Lee ) 대한피부과학회 2008 초록집 Vol.46 No.20
Thermal Treatment and Condensation for Mercury Recovery from High Contained Mercury Waste
( Seung-ki Back ),( Jin-ho Sung ),( Bup-mook Jeong ),( Ha-na Jang ),( Yong-chil Seo ),( Jeong-hun Kim ),( Ki-heon Kim ),( Young-lan Kim ),( Jong-soo Jurng ),( Min-su Kim ) 한국폐기물자원순환학회(구 한국폐기물학회) 2015 한국폐기물자원순환학회 3RINCs초록집 Vol.2015 No.-
This study provides an estimation result of amount of recoverable mercury using UNEP Toolkit, and a experimental result of thermal mercury reduction for inventing a mercury recovery technology from the sludge which contains high concentration of mercury. By using UNEP methodology, the source category of primary metal production was found to be the maximum mercury discharge source in UNEP Toolkit mercury categories. According to those results, thermal treatment experiment was conducted using mercury containing waste in primary metal category. Wastewater sludge from a primary metal facility was used as a sample for thermal degradation experiment. In order to recover purified elemental mercury, the further researches of distillation and refining technology would be required.
( Jeong-hun Kim ),( Seung-ki Back ),( Jin-ho Sung ),( Eun-song Lee ),( Joo-chan Lee ),( Soo-jin Cho ),( Kyung-lim Moon ),( Yong-joon Park ),( Yong-chil Seo ) 한국폐기물자원순환학회(구 한국폐기물학회) 2018 한국폐기물자원순환학회 심포지움 Vol.2018 No.1
The Minamata Convention on mercury was adopted to protect the health and environment of the people from the emission of mercury and mercury compounds. Mercury is toxic to living things even if relatively small traces are exposed in the body. In addition, there is possibility that mercury may be leaked into the environment during the process of handling and disposing of wastes contaminated with mercury, drawing attention to strengthening and controlling emission regulation. This study discusses regeneration of mercury-contaminating activated carbon from in mercury recovery process. Mercury in activated carbon was desorbed by thermal treatment and the regeneration efficiency was confirmed by mercury content and iodine adsorption comparing new and spent activated carbon. Up to 95% of mercury that is desorbed and up to 86% adsorption performance was regenerated at 673 K. Therefore, it is expected that activated carbon can be reused many times by regenerating it through thermal treatment without disposal of mercury-containing waste activated carbon.
도시화에 따른 공공공간의 지속가능한 디자인 유형에 관한 연구
백승경(Back, Seong-Kyung),김주연(Kim, Joo-Yun),이승훈(Lee, Seung-Hun) 한국실내디자인학회 2009 한국실내디자인학회논문집 Vol.18 No.6
Ever since the industrial revolution, large cities have become a field of new lifestyle and urbanization, causing climate change and environmental pollution. As a result, countermeasures for revolving these problems is needed. In addition, large cities in the information age have become a space where each nation executes its public policy to express the competitiveness of each city. In this study, countermeasures for the environmental crises caused by urbanization as well as the sustainable spatial designs for the cities are investigated as a new source of urban competitiveness, and the environmental aesthetics for designing public space is considered. The purpose of this study is to suggest a direction for sustainable designs and planning that is applicable to public space. According to the definition of sustainability, the items of the spatial implementation of ecological, economical and social sustainability are categorized. Based on this categorization, the sustainable designs of public space are classified into five types, and a comprehensive analysis of good public spaces from previous literature is conducted. The concepts of design and three elements--public space, sustainability, and their instrumental meanings, are integrated in this study. The significance of this study lies in the actual application of the classification to the planning and design of sustainable public space in cities, rather than being a conceptual classification.