http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
표현활동 수업이 초등학생의 자아개념 형성에 미치는 영향
남궁선주,조순묵 한국교원대학교 학교체육연구소 2008 학교체육연구소지 Vol.15 No.1
The purpose of this study was to find out what effects Expression Activities Lessons in elementary school have on students' building up of physical, emotional, academic and social self-concept and to furnish basic data for expression activities lessons' d
라돈 우선관리 대상 지역 선정에 적합한 공간분석모형의 선정 및 활용에 대한 연구
남궁선주,최길용,홍형진,윤단기,김윤신,박시현,김윤관,이철민 한국환경보건학회 2019 한국환경보건학회지 Vol.45 No.1
Objective: The aims of this study were to provide the basic data for establishing a precautionary management policy and to develop a methodology for selecting a radon management priority target area suitable for the Korean domestic environment. Methods: A suitable mapping method for the domestic environment was derived by conducting a quantitative comparison of predicted values and measured values that were calculated through implementation of two models such as IDW and RBF methods. And a qualitative comparison including the clarity of information transmission of the written radon map was carried out. Results: The predicted and measured values were obtained through the implementation of the spatial analysis models. The IDW method showed the lowest in the calculated mean square error and had a higher correlation coefficient than the other methods. As results of comparing the uncertainty using the jackknife concept and the concept of error distance for comparison of the differences according to the model interpolation method, the sum of the error distances showed a modest increase compared with the RBF method. As a result of qualitatively comparing the information transfer clarity between the radon maps prepared with the predicted values through the model implementation, it was found that the maps plotted using the predicted values by the implementation of the IDW method had greater clarity in terms of highness and lowness of radon concentration per area compared with the maps plotted by other methods. Conclusions: The radon management priority area suggests selecting a metropolitan city including an area with a high radon concentration.
인구집단 위해도 평가 방법을 활용한 유해화학물질 배경 노출 영향 보정 방법 개발 -울산공단주변을 대상으로-
남궁선주,이철민,이혜원,박시현,임희빈,최길용 한국환경보건학회 2019 한국환경보건학회지 Vol.45 No.3
Objective: The objective of this study was to propose a method using population risk to assess the local background exposure effect of harmful pollutants from chemical accidents in Ulsan. Methods: The benzene was selected as representative harmful pollutant. The concentrations of benzene were measured and analyzed at 40 sites in Ulsan city in September, 2018. The data from National Statistics office in Korea were used for population density, and the Integrated Risk Information System (IRIS) data from US EPA were used for unit risk. Results: The risk assessment can be carried out by considering the background population risk. The background population risk was calculated as 5.01 persons per million for exposure to benzene in Ulsan, and therefore may be used as a adjusted background method in case of chemical accident caused by benzene. Conclusions: This study may provide the evidence that background exposure effect and risk to harmful pollutants from chemical accidents would be useful.
실내·외 실시간 모니터링을 활용한 폼알데하이드 및 미세먼지(PM10, PM2.5)의 거주시간별 노출 및 위해도 평가
윤단기,남궁선주,공혜관,홍형진,임희빈,박시현,이혜원,이정섭,이철민 한국환경보건학회 2019 한국환경보건학회지 Vol.45 No.6
Objectives: The purpose of this study was to suggest methods to investigate continuous monitoring of concentration levels and assess the exposure of individuals considering the actual time activity of residents for formaldehyde and particulate matter (PM10, PM2.5) in the indoor and outdoor air of a house, assess the health risks of children and adults based on the results of the exposure assessment, and provide basic data on studies for assessing exposure and health risks in Korea in the future. Methods: The concentration levels of formaldehyde and particulate matter were measured in a family home in Gyeonggi-do Province from April 25 to July 31, 2019, using electrochemical sensors (formaldehyde) and light scattering sensors (PM10, PM2.5). Risk assessment by the duration of exposure by time activity was performed by dividing between weekdays and weekends, and indoors and outdoors. Results: The greatest level of carcinogenic risk from inhaling formaldehyde was indoors during the weekdays for both children and adults. For children, the risk was at 7.5 per approximately 10,000 people, and for adults, the risk was at 4.1 per approximately 10,000 people. PM10 and PM2.5 also showed the greatest values indoors during the weekdays, with children at 1.7 people and 1.4 per approximately 100 people, respectively, and adults at 8.2 per approximately 1,000 and 1.8 per approximately 100 people, respectively. Conclusions: The risks of formaldehyde, PM10 and PM2.5 were shown to be high indoors. Therefore, consideration of exposure assesment for each indoor pollutant and management of indoor air quality is necessary.
실내·외 실시간 모니터링을 활용한 폼알데하이드 및 미세먼지(PM<sub>10</sub>, PM<sub>2.5</sub>)의 거주시간별 노출 및 위해도 평가
윤단기,남궁선주,공혜관,홍형진,임희빈,박시현,이혜원,이정섭,이철민,Yoon, Danki,Namgoung, Sunju,Kong, Hyekwan,Hong, Hyungjin,Lim, Huibeen,Park, Sihyun,Lee, Hyewon,Lee, Jungsub,Lee, Cheolmin 한국환경보건학회 2019 한국환경보건학회지 Vol.45 No.6
Objectives: The purpose of this study was to suggest methods to investigate continuous monitoring of concentration levels and assess the exposure of individuals considering the actual time activity of residents for formaldehyde and particulate matter (PM10, PM2.5) in the indoor and outdoor air of a house, assess the health risks of children and adults based on the results of the exposure assessment, and provide basic data on studies for assessing exposure and health risks in Korea in the future. Methods: The concentration levels of formaldehyde and particulate matter were measured in a family home in Gyeonggi-do Province from April 25 to July 31, 2019, using electrochemical sensors (formaldehyde) and light scattering sensors (PM10, PM2.5). Risk assessment by the duration of exposure by time activity was performed by dividing between weekdays and weekends, and indoors and outdoors. Results: The greatest level of carcinogenic risk from inhaling formaldehyde was indoors during the weekdays for both children and adults. For children, the risk was at 7.5 per approximately 10,000 people, and for adults, the risk was at 4.1 per approximately 10,000 people. PM10 and PM2.5 also showed the greatest values indoors during the weekdays, with children at 1.7 people and 1.4 per approximately 100 people, respectively, and adults at 8.2 per approximately 1,000 and 1.8 per approximately 100 people, respectively. Conclusions: The risks of formaldehyde, PM10 and PM2.5 were shown to be high indoors. Therefore, consideration of exposure assesment for each indoor pollutant and management of indoor air quality is necessary.
24시간 실내 공기질의 모니터링 연구 : IoT를 기반으로 천식환자의 생활패턴
최길용,김채봉,이철민,남궁선주,김형준,서성철 한국냄새환경학회 2019 실내환경 및 냄새 학회지 Vol.18 No.3
As indoor activities continue to increase, the importance of indoor air is emphasized. Moreover, children's activities are emphasized as being vulnerable. In this study, vocal organic compounds (VOCs) and CO2 in the indoor air were analyzed among children aged 4 to 7 years attending day care centers in Seoul. In the case of VOCs, the average concentration measured during a period of 24 hours in an asthmatic home was 143.9 (µg/m3). The average concentration measured during a period of 24 hours in the asthma and rhinitis home was 146.7 (µg/m3). In CO2, the average concentration measured during a period of 24 hours in the asthmatic home was 665.9 (ppm). The average concentration measured during a period of 24 hours in the asthma and rhinitis home was 695.9 (ppm). In this study, asthma symptoms increased as the concentration of indoor pollutants increased. Exposure of VOCs (µg/m3) and CO2 (ppm) among environmental factors shows that respiratory symptoms such as asthma can be induced.