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김은(Eun Kim),이윤석(Yun-Seok Lee),전하용(Ha-Yong Jeon),정민수(Min-Su Jung) 한국멀티미디어학회 2009 한국멀티미디어학회 학술발표논문집 Vol.2009 No.2
사람들의 대표적인 이동 수단으로 차량은 그 위치를 확고히 하고 있다. 이러한 차량에 대한 소유자의 접근은 주로 키라는 물리적인 매체, 스마트키(Smart Key)와 레키스키(Rekes Key)와 감은 주파수 기반 시스템이다. 하지만 기존의 방식 역시, 인증방식의 단순화로 인한 불법 복제에 취약하다. 본 논문에서는 3G휴대폰에 탑재된 USIM칩을 통해 차량에 대해 상호인증을 수행하여, 안전한 차량 접근이 가능하고, 근거리에서만 차량인증 및 제어, 정보의 획득이 가능하였던 기존의 방식을 개선하여 원거리에서도 차량에 대한 접근 및 제어가 가능하도록 하였다.
Gd<sub>2</sub>O<sub>3</sub> 첨가에 따른 AC PDP 보호막용 MgO 박막의 광학적.전기적 특성
김창일,임은경,박용준,이영진,백종후,최은하,정석,김정석,Kim, Chang-Il,Lim, Eun-Kyeong,Park, Young-Jun,Lee, Young-Jin,Paik, Jong-Hoo,Choi, Eun-Ha,Juang, Seok,Kim, Jeong-Seok 한국전기전자재료학회 2007 전기전자재료학회논문지 Vol.20 No.7
The effects of $Gd_2O_3$ addition and sintering condition on optical and electrical properties of MgO films as a protective layer for AC plasma display panels were investigated. Doped MgO films prepared by the e-beam evaporation have a higher ${\Upsilon}$ (secondary electron emission coefficient) than pure MgO protective layer. Relative density and grain size increased with amount of $Gd_2O_3$ up to 100 ppm and then decreased further addition. These results showed that discharge properties and optical properties of MgO protective layers seemed to be closely related with microstructure factors such as relative density and grain size. Good optical and electrical properties of ${\Upsilon}$ of 0.138, surface roughness of 5.77 nm and optical transmittance of 95.76 % were obtained for the MgO+100 ppm $Gd_2O_3$ protective layer sintered at $1700^{\circ}C$ for 5 hrs.
김정인(Kim Jung-In),김성국(Kim Sung-Kook),정태욱(Jung Tae-Wook),곽도연(Kwak Do-Yeon),김기영(Kim Ki-Young),고지연(Ko Jee-Yeon),우관식(Woo Koan-Sik),송석보(Song Seok-Bo),오인석(Oh In-Seok),최명은(Choe Myeong-Eun) 한국육종학회 2017 한국육종학회지 Vol.49 No.1
The sorghum (Sorghum bicolor (L.) Moench) variety ‘Sodamchal’ was developed and registered by Department of Sothern Area Crop Science, National Institute of Crop Science (NICS) in 2013. This variety was developed from the cross between ‘Hwanggeumchal’ with brown grain and ’Jungmo4001’ with semi-dwarf trait. ‘Sodamchal’ is the first semi-dwarf stature with waxy endosperm ever developed in Korea. The yield performance of ‘Sodamchal’ was 2.95 MT/ha in local adaptability test for 2 years. It had 91 cm culm length, which was 58 cm shorter than that of ‘Hwanggeumchal’, 26.3 cm panicle length, 22.0 mm thickness of culm, 21.1 g in 1,000 grain weight. It could be reduce the lodging problem and also adapted to mechanized cultivation. ‘Sodamchal’ produces high quantities of polyphenol and radical scavenging activitiy with diphenyl-picrylhydrazyl (DPPH), 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) in pigmented testa. Above all ‘Sodamchal’ is suitable for use as a parental source for the development of improved pollinator parent lines for developing semi-dwarf sorghum with waxy endosperm and antioxidant activity. (Variety registration No. 6244)
댄스스포츠 선수의 스포츠재미와 스트레스 대처전략 및 생활만족의 관계
김석일(Seok Il Kim),조은정(Eun Jeong Cho) 한국사회체육학회 2008 한국사회체육학회지 Vol.0 No.34
This research was conducted on the analysis of the relationship between dance sports enjoyment and stress coping strategies and life satisfaction of the dancesports players. Samples were consisted of high school, college, and professional sports athletic players (male: 110, female: 131). MANOVA was used as a statistical analysis and the results showed the significant differences between groups: players with prize award experience showed higher enjoyment, and those who trying harder on training showed the higher enjoyment with higher coping strategies on detached and problems than those without any prizes. Players with having higher life satisfaction showed higher enjoyment and higher coping strategies on detached and problems as well. Regression statistical analysis on sports enjoyment and stress coping strategies showed benefits and a perceived competence strongly influenced coping on the problems, and benefits influenced coping strategies on detached. Benefits affected on the life satisfaction, and the problem affected on the life satisfaction. Results of this research has expanded detailed analysis of the subjects based on previous research framework, and suggest that the future work would be analysis on issues related to structural model, or combining approach of factors together.
김우현 ( Woo Hyeon Kim ),이인석 ( In Seok Lee ),김은영 ( Eun Young Kim ),임철현 ( Chul-hyun Lim ),김진수 ( Jin Su Kim ),조유경 ( Yu Kyung Cho ),박재명 ( Jae Myung Park ),최명규 ( Myung-gyu Choi ) 대한췌담도학회 2016 대한췌담도학회지 Vol.21 No.3
췌장의 파골세포양 거대세포 미분화 암종은 그 발생 빈도는 드물지만 높은 악성도를 가지는 외분비 췌장암이다. 췌장의 파골세포양 거대세포 미분화 암종은, 복부 전산화단층촬영에서 괴사와 출혈을 동반한 낭성 및 고형 종괴의 소견을보이며, 다른 췌장의 낭성 종양과 감별이 필요하다. 현재까지 명확하게 정립된 치료법은 없으며, 조기 진단 및 종양의 완전 절제만이 생존률 향상을 가져온다고 보고되고 있다. 본증례는 58세 남성 환자에서 발생한 췌장의 파골세포양 거대세포 미분화 암종이 수술 및 항암치료에도 불구하고 연조직전이로 진행하여 사망한 1예로 문헌고찰과 함께 보고한다. Undifferentiated carcinoma of the pancreas with osteoclast-like giant cells (UCPOGC) is a rare, highly malignant pancreatic exocrine neoplasm. Here, we report a case of UCPOGC in a 58-year-old man who presented with abdominal pain and weight loss. Abdomen computed tomography (CT) revealed a 5cm sized pancreatic body mass with peripheral enhancement. Endoscopic ultrasound (EUS)-guided biopsy of the mass suggested a solid-pseudopapillary tumor of the pancreas with a marked degenerative change. Distal pancreatectomy and splenectomy were performed. The size of the mass was 5.4 × 4.8 cm and the cut surface showed necrosis and hemorrhage. A definite diagnosis of UCPOGC was made using the histopathology and immunohistochemical findings. Korean J Pancreas Biliary Tract 2016;21(3):144-149
ZrO<sub>2</sub> 첨가에 따른 AC PDP 보호막용 MgO 박막의 광학적 전기적 특성
김창일,정영훈,이영진,백종후,최은하,정석,김정석,Kim, Chang-Il,Jung, Young-Hun,Lee, Young-Jin,Paik, Jong-Hoo,Choi, Eun-Ha,Jung, Seok,Kim, Jeong-Seok 한국재료학회 2008 한국재료학회지 Vol.18 No.8
The effects of an addition of $ZrO_2$ on the microstructure and electrical properties of MgO films as a protective layer for AC plasma display panels were investigated. MgO + a 200 ppm $ZrO_2$ protective layer prepared by e-beam evaporation exhibited a secondary electron emission coefficient ($\gamma$) that was improved by 21% compared to that of a pure MgO protective layer. The relative density and Vickers hardness increased with a further addition of $ZrO_2$. These results suggest that the discharge properties and optical properties of MgO protective layers are closely related to the relative density and Vickers hardness. The good optical and electrical properties of $\gamma$, at 0.080, a grain size of $19\;{\mu}m$ and an optical transmittance of 91.93 % were obtained for the MgO + 200 ppm $ZrO_2$ protective layer sintered at $1700^{\circ}C$ for 5 hrs.