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Detectability Test of H2 Lyman-Werner Band Emission for Far-Ultraviolet Imaging Spectrograph, FIMS
선광일,경욱 민,광선 유,대희 이,수종 박,승한 오,용선 박,용하 김,욱원 남,한원용,인수 육,장현 박,종호 신,호진,Eric J. Korpela,Jerry Edelstein,Kaori Nishikida 한국물리학회 2003 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.43 No.42
Molecular hydrogen (H2) is excited by far-ultraviolet (far-UV) photons and emits uorescent emission in the far-UV bands and in the near- and the mid-infrared bands. Observations of H2 in these photodissociation regions (PDRs) are important in tracing star-forming molecular clouds and in understanding the interaction between newly born stars and molecular clouds. We use the typical PDR model of Sternberg to estimate the observing time (or integration time) required to detect PDRs with the Far-ultraviolet IMaging spectrograph (FIMS) onboard KAISTSAT-4, the rst Korean scientic satellite. The observing time is calculated using a formula based on a rigorous hypothesis testing for the detection limit, in contract to the often-used signal-to-noise ratio. The estimated observing time is also compared with the expected exposure time from one-year all-sky survey.
구강 내 양성 종양의 임상양상: 257명 환자의 단일 기관 후향적 연구
김수종,박유영,임휘빈,김태훈,방승환,조재구,우정수 대한이비인후과학회 2017 대한이비인후과학회지 두경부외과학 Vol.60 No.8
Backgrond and Objectives The study aimed to analyze the histopathologic types and clinical characteristics of benign oral cavity tumors and to identify their possible etiologic factors. Subjects and Method This was a 10-year retrospective analysis of histologically diagnosed benign tumors in the oral cavity. Data was compiled for each case, documenting information about gender, age, habits (smoking and alcohol), characteristics of the lesion (site, size, color, surface and consistency), comorbidities and denture. Results Of 257 pathologically confirmed cases of excisional biopsies, the most prevalent were in the order of mucocele (47.08%), fibroma (14.79%), and hemangioma (9.34%). Labium (50.19%) and oral tongue (22.18%) were among the most frequently affected sites. In this study, there was a significant female predominance in fibroma and granuloma. On comparing the mean age of the patients for the different types of tumors, we found that mucocele had the lowest age and that there is a similar mean age among the tumors. The vast majority (99.2%) was represented by non-ulcerated masses and only 2 (0.8%) were ulcerative masses. With respect to habits, we found no significance between comorbidities and denture. Conclusion Based on this study, we can state that while mucocele is the most frequent benign tumor of the oral cavity, labium is the most frequently affected site. The mean age of the patients is lowest for mucocele, and there is a high prevalence of fibroma and granuloma occurring among females. However, with respect to habits, we found no significance between comorbidities and denture. Korean J Otorhinolaryngol-Head Neck Surg 2017;60(8):404-10
The Beast in the Jungle에 나타난 「生」의 意味
金秀宗 제주대학 1978 논문집 Vol.10 No.1
The work of Henry James, though it seems to be a lack of the edification (moral or instruction) for life, doesn't disregard moral sense or thought. His moral or social consciousness is closely concerned with the consistent quest of life. In the pursuit of life the figure of Jamesian hero is very different from that of his heroine. His heroine falls in the sacrificial love with his hero and she is sincerely puritan. His hero is, on the other hand, late to recognize moral sense. This case can be found in the two protagonists of The Beast in the Jungle, John Marcher and May Bartram. Marcher doesn't understand May's genuine love to the last because of egoism caused by his fixed idea. But May loves Marcher and dies with patience and tolerance. In this work fames suggests that to love is to live a true life as compared with May's devotional love and Marcher's egoism. James criticizes the material egoism and admires love. Especially, in his later works including The Beast in the Sungle, James recovers trust of man. The figure of James is vivid in Marcher who sees the truth of his life later. Jamesian creative attractiveness is a kind of compensation experience where he fills up the unexperienced past of his life.
金秀宗 제주대학교 1985 논문집 Vol.22 No.2
In Thomas Hardy's novels, nature carries a significant meaning. For him, it is not a visible landscape or natural phenomenon but is invisible and spiritualized world in his mind. This nature is generally not only considered as brutal, lowering dark and menacing but also as an external and physical existence which leads human fate to destruction. It is true that for Hardy, nature is a source of and repository of all energies that control human beings. But the external and destructive energies imply conflict of the inner world of human beings. In other words, the fate of Hardy's heroes and heroines are determined by their capacity to see into the invisible truth of nature. However, nature is not omnipotent. It is imperfect existence and is required to be adjusted and compromised by the power of human beings. Hardy's main concern is to trace the process of how to harmonize human beings to nature. Although there are brutal and pessimistic qualities in his way of expressing natre, this is derived from his deep affection for human beings as a means of showing the worst state in order to secure the best remedy for human condition.
플라즈마 디스플레이 패널용 Zn₂S₁O₄ Mn 형광체 나노입자의 합성
김수종,한정화 한라대학교 2006 論文集 Vol.9 No.-
The Zn₂S₁O₄ Mn phosphors were prepared using polymer matrix technique in order to improve the performance of green emitting phosphors for plasma display panel(PDP) Under 147 nm excitation, Zn₂S₁O₄ Mn phosphor exhibits a strong green emission around 520~530 nm The emission intensity and particle size of powders were controlled by sintering temperature and raw material composition The zinc silicate Zn₂S₁O₄ Mn single phase were obtained at lower temperature than prepared by solid-state reaction method VUV PL luminance of Zn₂S₁O₄ Mn phosphor was similar to the commercial material