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김선주,권형중,김일정,김필식,Kim, Sun Joo,Kwon, Hyung Joong,Kim, Il Jung,Kim, Phil Shik 한국농공학회 2016 한국농공학회논문집 Vol.58 No.5
This study was to design the optimal locations of the water level monitoring to quantify the agricultural water use in irrigation area supplied from an agricultural reservoir. In most of agricultural areas without TM/TC (Tele-Monitoring and Tele-Control) or monitoring network, irrigation water have been supplied on conventional experience and agricultural reservoir have been operated based on the operating simulation results by HOMWRS (Hydrological Operation Model for Water Resources System). Therefore, this study quantified the amount of agricultural water use in an irrigation area (Musu Reservoir, Jincheon-gun) by establishing water level monitoring network and analyzed the agricultural water saving effect. According to the evaluation of the economic values for water saving effect, the saving agricultural water of 1.7 million ton was analyzed to have economic values of 0.85 million won as water for living, and 1.78 million won as water for industrial use. It is identified to secure economic feasibility of the new water monitoring network by establishing one monitoring point in the entrance, irrigation area and endpoint through the economic analysis.
김선주,김형중,김필식,지용근,양용석,Kim, Sun-Joo,Kim, Hyung-Jung,Kim, Phil-Shik,Jee, Yong-Geun,Yang, Yong-Seok 한국농공학회 2006 한국농공학회논문집 Vol.48 No.3
Fallow paddy areas have been increased due to the import of cheap agricultural product, and the unbalance between farming cost and rice price since 1990. In domestic, rice production control that decrease paddy field area has been introduced for the control of rice demand and supply and stabilization of rice price since 2003. Because of the desire of paddy field's owner to create benefit by using paddy for other object, fallow paddy would be continuously increased. In the other aspect, many people in the world is suffering from hunger because of the shortage of food. In case of Korea, continuous drought and flood damages will be potential concern of stable food supply. From this viewpoint, the increasing fallow paddy area needs to be protected from the devastation by weed breeding for the re-cultivation. In this study, fallow paddy managed with the shallow pools and shallows was selected fur monitoring and analyzing of water quality and plant body change. As the results, the managed fallow paddy found to be effective in the purification of water quality and the control of plant growth.
열차폐코팅용 GdO<sub>1.5</sub>-ZrO<sub>2</sub>계 희토류 지르코네이트 세라믹스의 상형성과 열물리 특성
김선주,이원준,권창섭,이성민,오윤석,김형태,임대순,김성원,Kim, Sun-Joo,Lee, Won-Jun,Kwon, Chang-Sup,Lee, Sung-Min,Oh, Yoon-Suk,Kim, Hyung-Tae,Im, Dae-Soon,Kim, Seongwon 한국세라믹학회 2014 한국세라믹학회지 Vol.51 No.6
Gadolinium zirconate, $Gd_2Zr_2O_7$, is one of the most promising candidates for replacing yttira-stabilized zirconia (YSZ) in thermal barrier coating (TBC) applications due to its low thermal conductivity and chemical stability at high temperature. In this study, rare-earth zirconate ceramics in the $GdO_{1.5}-ZrO_2$ system with reduced gadolinia contents were fabricated via solid-state reaction as well as hot-pressing at $1800^{\circ}C$. The phase formation, microstructure, and thermo-physical properties of these oxides were examined. The potential application of $GdO_{1.5}-ZrO_2$ ceramics for TBC was also discussed.
당뇨강좌 : 환자 맞춤 눈높이 강의 - 순천향대학교 서울병원 당뇨교실
김선주,Kim, Seon-Ju 사단법인 한국당뇨협회 2011 당뇨 Vol.259 No.-
당뇨병은 평생 관리해야 하는 만성질환으로 지속적인 노력과 교육이 필수적이다. 그러므로 당뇨관리를 체계적으로 하려는 모범환자라면 한 번쯤 당뇨강의를 들어보았을 것이다. 당뇨교실은 각 대학병원에서 실시하고 있는 프로그램으로 당뇨병의 올바른 지식을 습득할 수 있다. 이번 달은 순천향대학교 서울병원의 당뇨교실을 찾아 사회복지사업실 김지인 사회복지사의 '당뇨인의 심리와 사회복지 정보' 수업을 들어보았다.
모바일 클라우드 서비스 상에서 준동형 암호 기반의 형상 관리 방안
김선주,김진묵,조인준,Kim, Sun-Joo,Kim, Jin-Mook,Jo, In-June 한국정보통신학회 2012 한국정보통신학회논문지 Vol.16 No.10
스마트폰 사용자가 2,000만명을 넘어서며, 클라우드 컴퓨팅 서비스를 제공하던 기업들이 다양한 모바일 장비를 지원하려고 한다. 특히, 다양한 모바일 장비를 통해 특정 문서를 서로 공유하거나, 편집/보기 등의 작업을 수행할 수 있게 되었다. 하지만, 여러사람이 하나의 문서를 공유해서 작업하는 경우 형상관리, 기밀성, 무결성이 보장되지 않는 문제가 발생한다. 따라서, 본 논문에서는 모바일 클라우드 서비스 사용자들이 문서를 효율적으로 공유하고, 암호화된 문서에 대한 연산을 통해 문서편집을 수행하고, 무결성 검증이 가능한 준동형 암호화를 기반으로 한 형상관리 방안을 제안하고자 한다. As smartphone users are over 20 million, companies, which offer cloud computing services, try to support various mobile devices. If so, users can use the same cloud computing service using mobile devices, as sharing document. When user share the work, there are problem in configuration management, data confidentiality and integrity. In this paper, we propose a method that cloud computing users share document efficiently, edit encrypted docuements, and manage configuration based on homomorphic encryption, which integrity is verifiable.
김선주,여운식,김형중,Kim Sun-joo,Yo Woon-shik,Kim Hyung-joong 한국관개배수위원회 1994 한국관개배수논문집 Vol.1 No.1
Recently an introduction of pipe drainage systems has been employed. Especially the necessity of pipe drainage systems has been widely recognized at farms in the suburban districts, however, undertaking itself cannot overcome an experimental stage. Theref
인터뷰 II : 서울아산병원 당뇨치주질환 클리닉 - 치아건강 건강할 때 지키세요!
김선주,Kim, Seon-Ju 사단법인 한국당뇨협회 2011 당뇨 Vol.261 No.-
당뇨병에 걸리면 치주질환에 걸릴 위험이 크고, 일반인보다 낫기가 어렵다. 치주질환은 비용과 치료의 두려움으로 병원에 가길 꺼려한다. 그러나 방치하면 잇몸 뼈가 상하게 되고 치아가 빠져 수술로 이어지게 된다. 그러므로 당뇨병환자라면 치과에 정기적으로 내원하여 잇몸병은 조기에 발견하고 치료하는 것이 중요하다.
증발량을 고려한 낙동강유역 다목적댐의 가용허가수량 추정
김선주,박기춘,박희성,Kim, Sun Joo,Park, Ki Chun,Park, Hee Seong 한국농공학회 2013 한국농공학회논문집 Vol.55 No.3
The dam plan quantity of constructive and water supply quantity of present time are showing a difference with change in climate and augmentation of water demand for multipurpose dams in Nakdong river basin. But revaluates a water supply ability the method or the process is official for is not taking a position, so actual condition applies the plan quantity of dam constructive. Considers various situation of actual multipurpose dam from research sees consequently and in K-WEAP is an integrated water resources evaluation plan model applies as water permit availability multipurpose dam, currently water permit availability comparison, analyzed. In this study, the natural daily flow data and apply the dimensions of the reservoir, and for more than 30 years of the long-term water balance analysis conducted by Date Nakdong river basin can supply reservoirs are large quantity of permits available is presented.