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교류형 PDP 보호막용 MgO-CaO 박막의 광학적 특성과 전기적 특성
조진희,김락환,박종완,Jo, Jin-Hui,Kim, Rak-Hwan,Park, Jong-Wan 한국재료학회 1999 한국재료학회지 Vol.9 No.6
Optical and electrical properties of MgO-CaO films as a protective layer for AC plasma display panel were studied. When the [(CaO/(MgO+CaO)] ratio of evaporation starting materials was optimum composition, 0.1, firing voltage and memory margin of the film were 176V and 0.5, respectively. When [CaO/(CaO+MgO)] was 0, 0.1 and 0.2, memory margin was 0.39, 0.5 and 0.41, respectively, and surface roughness of films was $27.7\AA$, $21.1\AA$ and $40.3\AA$, respectively. It was thought that memory margin had a reverse-relation with surface roughness. The density of film was calculated by measuring the refractive index of film. The density of MgO film was 3.21g/㎤ and the density of film, when [CaO/(CaO+MgO)] was 0.1, was 3.632g/㎤. The mixture of MgO-CaO films showed a good transmittance property in the visual range.
조진희,김락환,김정열,이유기,김희재,박종완,Jo, Jin-Hui,Kim, Rak-Hwan,Kim, Jeong-Yeol,Lee, Yu-Gi,Kim, Hui-Jae,Park, Jong-Wan Materials Research Society of Korea 1999 한국재료학회지 Vol.9 No.5
Alkaline earth metal oxides were added to the conventional MgO films as a protective layer for dielectric materials to have lower firing voltage(Vf) of the plasma display panel(PDP). Panels with various protective layers of MgO-alkaline earth metal oxides were prepared on glass by using e-beam evaporation and its effect on firing voltage characteristics were investigated. (Ba-Mg)O films had poor voltage characteristics because of higher activation energy of BaO. But, (Sr-Mg)O, (Ca-Mg)O and (Ca-Sr-Mg) O had better voltage characteristics than the conventional MgO. A mixture film of (Mg-Ca-Sr)O show the lowest firing voltage which is less than that of MgO by 20V. The chemical composition to have lowest firing voltage is MgO:SrO:CaO ratio of 6:2:2. The mixture of MgO-Alkaline earth metal oxides films showed good transmittance properties within the visual range.
교육용 애플리케이션의 사용 경험이 색채 선호도에 미치는 영향에 관한 연구 - 미취학 아동을 중심으로
조진희(Jin Hui Jo),김선철(Sun Chul Kim) 경희대학교 산학협력단 예술디자인연구원 2016 예술· 디자인학연구 Vol.19 No.1
This study is a started from questions about a color experience which rely on smart device, and that can influence on color preferences of preschool children. For this study, two kinds of color samples were prepared. Color samples of additive color mixture are from image of educational applications for android, and color samples of subtractive color mixture are from many kinds of toy. according to this study, colo samples of additive color mixture are more prefer than subtract color mixture. But, it seem not very influence on color preferences of preschool children. So this study has an opposite result to what we expected.
쥐노래미 (Hexagrammos otakii)에 대한 염산리도카인 -중탄산나트륨과 MS-222의 마취 효과
박인석 ( Park In Seog ),조진희 ( Jo Jin Hui ),이수진 ( Lee Su Jin ),김유아 ( Kim Yu A ),박기의 ( Park Gi Ui ),허준욱 ( Heo Jun Ug ),유종수 ( Yu Jong Su ),송영채 ( Song Yeong Chae ) 한국수산과학회 2003 한국수산과학회지 Vol.36 No.5
N/A Anaesthetic effect of lidocaine hydrochloride-sodium bicarbonate mixture (lidocaine HCL/NaHCO₃) and tricaine methanesulfonate (MS-222) was tested for the greenling (Hexagramrnos otakii) at three different temperature regimes: 12℃, 8℃ and 24℃. Based on the exposure and recovery time, effective dose of lidocaine HCI/ NaHCO₃ was 800 ppm (18 ℃) and 300 ppm (24℃) for greenling of 21.O± 1.4 cm body length. Anaesthetic dose and temperature-dependent relationship in exposure and recovery time were observed. Effective dose of MS-222 at 18℃ was proven to be 125 ppm and 150 ppm. Combination of lidocaine HCl/ NaHCO₃ and MS-222, considerably reduced the dosage of each anaesthetic required to give rapid, deep anaesthetic condition. In the dry exposure after anaesthetic, the control fish exhibition 22% mortality after dry exposure of 20 min; whereas, the anaesthetic condition with 800 ppm lidocaine HCl/NaHCO₃ for 1 min exhibited delayed recoveries from the anaesthetic condition with mortalities of 20%, 41%, 78% and 100% after dry exposures of 8 min, 12 min, 16 min and 20 min, respectively. The results indicate that lidocaine HCI/ NaHCO₃ can be used as suitable anaesthetic for the greenling.