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과학영재교육원 기초반을 위한 초등 정보과학영재 교육과정 개발
오성훈,이애정,이재호,Oh, Sung-Hoon,Lee, Ae-Jung,Lee, Jae-Ho 한국정보교육학회 2005 정보교육학회논문지 Vol.9 No.1
This paper focused on developing the curriculum for elementary children who are gifted in information science as follows. First, this paper dealt the contents of the scientific school attached to universities for gifted children. Second, this paper abstracted educational elements for the gifted children from the research of the information science course in current education. Third, for applying curriculum for the elementary children who are gifted in information science to practical education efficiently, the contents were classified into many steps. Fourth, this paper developed the annual curriculum for the elementary children who are gifted in information science.
오성훈,오평수,Oh, Sung-Hoon,O, Pyong-Su 한국미생물 · 생명공학회 1991 한국미생물·생명공학회지 Vol.19 No.2
Mutation experiments were performed to select the mutant of Aspergillus niger 55, which had lost almost all the ability to produce transglucosidases but retained that of high productivity of raw meal saccharifying enzyme, by means of successive induction with N-methyl-N'-nitro-N-nitrosoguanidine(MNNG), ultraviolet(UV) light, and ${\gamma}$-rays. Also, we used the mutant enrichment techniques, such as liquid culture-filtration procedure and differential heat sensitivity of conidia, in order to increase the possibility of obtaining a mutant. The glucoamylase productivity of mutant PFST-38 was 11 times higher than that of the parent strain. The mutant PFST-38 was morphologically identical to the parent strain, except for the size of conidia, the tendency to form conidia and the lenght of conidiophore. Asp. niger mutant PFST-38 apeared to be useful for the submerged production of the raw corn meal saccharifying enzyme.
DC, RF 마그네트론 코스퍼터링법으로 증착한 ZTO/GZO 투명전도성막의 열처리 조건이 박막의 물성에 미치는 영향
오성훈(Sung Hoon Oh),강세원(Sae Won Kang),이건환(Gun Hwan Lee),정우석(Woo Seok Jung),송풍근(Pung Keun Song) 한국표면공학회 2012 한국표면공학회지 Vol.45 No.3
ZTO/GZO double layered films were prepared on unheated non-alkali glass substrates. ZTO films were deposited by RF/DC hybrid magnetron co-sputtering using ZnO (RF) target and SnO₂ (DC) targets, and then GZO films were deposited by DC magnetron sputtering using an GZO (Ga₂O₃:5.57 wt%) target. These films were post-annealed at temperature of 200, 300℃ in air and vacuum ambient for 30 min. In the case of post-annealing in air, ZTO/GZO double layer showed relatively low resistivity change, compared to GZO single layer. Furthermore, ZTO/GZO double layer revealed low WVTR, compared to GZO single layer. Therefore, it can be confirmed that ZTO film doing a role with barrier for water or oxygen diffusion.
오성훈(Sung Hoon Oh),전인기(Inn Ki Chun),김영표(Young Pio Kim) 대한피부과학회 1984 대한피부과학회지 Vol.22 No.6
Nevus lipomatosus cutaneous superficialis(NLCB) is a rare condition consisting of ectopic fat tissue in the dermis and having the predilection for the pelvic girdle, especially gluteal region. The patient was a 2Q year-old female. About 8 years prior to the first visit she had noticed the rice-sized papules on her lower back, which had been gradually increased in size and coalesced to become two, cerebriform, skin colored to yellowish tumor masses of soft consistency, distributed on both sides of the midline of lower back, and measuring respectively 3.5X7.Qcm and 7.0x11.5cm in size. Jihe biopsy specimen taken from the tumor mass revealed the ectopic presence of fat lobules occupying half of the reticular dermis. The fat lobules consisted of almost mature fat cells with the presence of dilated capillaries in their centers.
오성훈(Sung Hoon Oh),원영호(Young Ho Won),전인기(Inn Ki Chun),김영표(Young Pio Kim) 대한피부과학회 1986 대한피부과학회지 Vol.24 No.5
Dermal melanocytosis includes Mongolian spot, nevi of Ota and Ito, dermal melanocytic harnartoma, and blue nevus. Nevi of Ota may be respectively associated with Mongolian spot, blue nevi and unilateral or bilateral nevi of Ito. We present a case, a 24 year-old female, who had bilaterally brownish or slatebluish pigmented patches on the face, sclera, neck, anterior chest, deltoid, supraclavicular, scapular, back and sacrococcygeal area. And also she had a bluish, bean-sized nodule on her left mid-back. It is likely that this case may be considered as an extremely extensive case of pig:m.entary anomaly, associating aberrant and persistent mongolian spots, extensive nevus of Ito, bilateral nevus of Ota and blue nevus. To our knowledges it seems that such case has not previously been reported in Korean literature.
오성훈(Sung-Hoon Oh),김호건(Ho-Geon Kim) 한국기계가공학회 2012 한국기계가공학회지 Vol.11 No.4
The purpose of this study is to investigate cutting characteristics and wear behavior in FCD500 ductile cast iron turning with different cutting tools, tungsten-carbide and CBN. Mechanical property, cutting characteristics and the application to the real industrial area is the final purpose. FDC500 ductile cast iron is now widely used in the various commercial vehicle parts for increased machine abilities which accrue more tensile strength with lower hardness. Several studies have been fulfilled for the material and heat-treatment area, but few with the cutting characteristics and wear behavior in the turning area.