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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.
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.
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,여운식,이광야,Kim Sun-joo,Yo Woon-shik,Lee Kwang-ya 한국관개배수위원회 1994 한국관개배수논문집 Vol.1 No.2
The calculation method for the Drought index based on the principal hydrological factors, such as precipitation, reservoir storage and river discharge, can estimate the duration and intensity of drought. It is not easy to establish an universal criteria o
당뇨합병증 : 여성 당뇨인의 말 못할 고민 - 여성과 당뇨병
김선주,Kim, Seon-Ju 사단법인 한국당뇨협회 2011 당뇨 Vol.261 No.-
보수적인 대한민국의 사회에서 성은 향상 음지에서 활동하는 영역이었다. 대부분의 사람들이 성생활이 삶에서 중요한 부분이라는 것을 인정하지만, 그에 대해 자세히 알기는 부끄러워한다. 특히 여성 당뇨병환자는 성 기능 장애와 임신성 당뇨 등 많은 위험이 존재함에도 성이라는 이름으로 교육과 치료를 미루고 있어 안타까운 실정이다.
특별취재 : 화제의 중심에 있는 당뇨병약 급여기준 변경안
김선주,Kim, Seon-Ju 사단법인 한국당뇨협회 2011 당뇨 Vol.259 No.-
최근 보건복지부에서 '당뇨병용제 개정안'을 행정예고 하여 논란이 되고 있다. 건강보험 재정 안정화를 위해 발표된 이번 개정안을 두고 대한의사협회에서 당뇨병용제 급여기준에 대해 정부의 의도를 지적하고 나섰다. 이로 말미암아 복지부와 의사협회와의 대립이 고조되면서 긴장감이 흐르고 있다.
강우시 축산 농가로부터의 질소$\cdot$인 유출에 관한 연구
김선주,김형중,Kim Sun-joo,Kim Hyung -Joong 한국관개배수위원회 1996 한국관개배수논문집 Vol.3 No.2
The outflow amount of the contaminants, especially nitrogen and phosphorus was investigated to find out the characteristics of the contaminants discharged from the dairy farm equipped with the livestock waste treatment facility by flood runoff. 1. The con
당뇨합병증 : 생소한 당뇨합병증 - 당뇨인의 이비인후과 질환
김선주,Kim, Seon-Ju 사단법인 한국당뇨협회 2011 당뇨 Vol.259 No.-
당뇨는 우리 몸 구석구석에 영향을 주어 다양한 증상을 불러일으킨다. 당뇨병이 눈, 혈관, 신장 등에 영향을 준다는 것은 다들 아는 사실이나 이비인후과적 합병증은 다소 생소할 수 있다. 하지만 당뇨병이 난청, 악성 외이도염, 수면무호흡증 등을 발병시킬 수도 있다. 당뇨관리의 부주의가 어떤 이비인후과적 질환을 가져오는지 알아보자.