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이세령 ( Se Ryeong Lee ),김아현 ( A Hyeon Kim ),김정현 ( Jung Hyeon Kim ),김보람 ( Bo Ram Kim ),김희진 ( Hee Jin Kim ),박지희 ( Ji Hee Park ),박찬울 ( Chan Ul Park ),이은서 ( Eun Ser Lee ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.1
무선 네트워크가 설치되어있는 곳이면 언제 어디서나 네트워크로 정보를 이용할 수 있게 되었다. 사물들끼리 네트워크를 이용하여 정보를 주고받을 수 있는 사물인터넷을 기반으로 하는 수목원 관리 프로그램 설계하였다. 본 논문에서는 사물인터넷을 이용하여 수목원 관리자가 수목원관리를 하는 해결방안을 제시하였고, 해결방안으로 수목원 관리프로그램을 개발하기 전 단계인 설계 결과물을 볼 수 있다.
담배연기와 담뱃잎 내 함유된 방사능 농도분석 및 위해도 평가
이세령(Se-Ryeong Lee),이상복(Sang-Bok Lee),김정윤(Jeong-Yoon Kim),김지민(Ji-Min Kim),방예진(Yei-jin Bang),이두석(Doo-Seok Lee),조형준(Hyung-Joon Jo),김성철(Sungchul Kim) 대한방사선과학회(구 대한방사선기술학회) 2021 방사선기술과학 Vol.44 No.5
In this study, radioactivity quantitative analysis was performed on radon contained in cigarette, and the effective dose was calculated using the result value to determine the amount of exposure caused by smoking. A total of 5 types of cigarettes were sampled. Cigarette smoke was collected by using activated carbon, and tobacco were measured by homogenizing for quantitative analysis. For each sample, Bi-214 and Pb-214 were subjected to gamma nuclide analysis to observe the uranium-based radioactive material contained in cigarette, and a measurement time of 30,000 seconds was set for the sample based on the results of previous studies. As a result of measuring the radioactivity of tobacco, a maximum of 0.715 Bq/kg was derived, and in the case of cigarette smoke measured using activated carbon, a maximum of 3.652 Bq/kg was derived. Using this measurement, the average effective dose to the lungs is 0.938 mSv/y, and it was found that there is a possibility of receiving exposure up to 1.099 mSv/y depending on the type of tobacco. It was found that the exposure dose due to cigarette occupies a large proportion of the annual effective dose limit for the general public. Therefore, more diverse studies on radioactive substances in cigarette are needed, and measures to monitor and reduce the incidental exposure to radon should be established.
이세령 ( Se Ryeong Lee ),김아현 ( A Hyeon Kim ),김보람 ( Bo Ram Kim ),김희진 ( Hee Jin Kim ),박찬울 ( Chan Ul Park ),이은서 ( Eun Ser Lee ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.2
네트워크를 이용하여 정보를 주고받을 수 있는 사물 인터넷과 메시지 전송 기능(GCM)을 기반으로 하는 화재 방지 프로그램을 설계하였다. 본 논문에서는 창고 관리자가 화재를 방지할 수 있는 해결 방안을 제시하였고, 해결방안인 화재 방지 프로그램의 설계 결과물과 구현 과정들을 볼 수 있다.
이세령 ( Se Ryeong Lee ),김희진 ( Hee Jin Kim ),두샤오 ( Duxiao ),이은서 ( Eun Ser Lee ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.1
본 연구에서는 온/습도 센서를 통해 화재를 조기 감지하고 TCP통신을 이용하여 사용자의 스마트폰으로 화재위험상황임을 전송한다. 이를 통한 실시간 모니터링 및 누적 데이터를 활용하여 더 큰 피해를 미리 예방할 수 있는 화재예방 시스템을 구현하였다.
정현진,장주은,김알렉세이,이세령,김영수,김지은,이정심,이강협,강은수,한상국,길희영,Hyeon Jin Jeong,Ju Eun Jang,Aleksey L. Kim,Se Ryeong Lee,Young-Soo Kim,Ji Eun Kim,Jung Sim Lee,Kang Hyup Lee,Eun Su Kang,Sang-Kuk Han,Hee-Young Gil 한국자원식물학회 2023 한국자원식물학회지 Vol.36 No.4
Vascular plants of Yeonhwasan Mt., located in Taebaek-si, Gangwon-do, were investigated. Field surveys were conducted fourteen times between April and September of 2022. A total of 505 taxa were found consisting of 87 families, 282 genera, 441 species, 15 subspecies, 41 varieties, and 8 forma. Among them, the endemic plants of Korea were 22 taxa. The number of threatened and near threatened Red List plants designated by the Korean National Arboretum was four, comprising each one of critically endangered (CN), endangered (EN), vulnerable (VU), and near threatened (NT) species. The number of floristic target plants designated by the Ministry of Environment was 102, including one taxon of level V, 9 taxa of level IV, and 34 taxa of level III. Invasive alien plants were 34 taxa, and three taxa were ecosystem disturbance plants. The urbanization index of investigated site was 12.8%, and the naturalization index was 6.7%. To wisely manage Yeonhwasan, measures for preserving biodiversity and preventing invasive plants are needed.