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김규한 ( Kyu Han Kim ),조광현 ( Kwang Hyun Cho ),정진호 ( Jin Ho Chung ),박경찬 ( Kyoung Chan Park ),은희철 ( Hee Chul Eun ),윤상웅 ( Sang Woong Youn ),박경찬 ( Kyoung Chan Park ),김규한 ( Kyu Han Kim ),조광현 ( Kwang Hyun Cho 대한피부과학회 1995 대한피부과학회지 Vol.33 No.6
Background : Neurofibiomat,osis type 1(NF-1) is a multisystemic disorder of genetic ori gin, affecting one in every 3000 to 4000 people. It is clinically important in the aspect of dermatology, pediatrics, orthopedic surgery, neurology, neurosurgery and ophthalmology. Objective : The purpore of this study was to elucidate the clinical characteristics of NF-1 in Korean people. Methods : We carried out a retrospective study on 112 patients which were compatible to the diagnostic criteria of Riccardi and Neurofibromatosis Conference Statement. The results were compared with other western studies. Results : The age of onset, sex ratio, family history of neurofibromatosis, and clinica features of cafe-au-lait spot, neurofibroma, and axillary freckinings did not differed from western countries. However, some characterist,ics of NF 1(e.g. Lisch nodule) were not as sessed in the most of the cases and incomplete evaluations of the systemic diseases wen found. Conclusion : In this study t.he clinial features of NF-1 did not differ from western coun tries in many aspects. A more intensive evaluation of patient,s status is needed to manag; NF-1 patients appropritely. (Kor J Dermatol 1995;33(6): 1091-1098)
靑陽重石鑛床의 地質과 流體包有物에 依한 溫度測定에 關한 硏究
Kim Kyu Han(金奎漢) 대한자원환경지질학회 1977 자원환경지질 Vol.10 No.1
Chongyang tungsten ore deposits, one of the most important tungsten mines in South Korea, are open space filling hydrothermal vein deposits embedded in Precambrian biotite gneiss and Cretaceous (?) granite porphyry. Some wolframito-bearing quartz veins are closely associated with quartz porphyries which strike about N15˚-25˚W and dip 80˚SE to vertical. Mineralization took place in near vertical vein systems of 5 to 2000 meter long in the biotite gneiss and granite porphyry stock during early Cretaceous and Tertiary (?) period. The hydrothermal mineral paragensis has indicated that there were two major stages: vein and vug stages. The principal vein mineral is wolframite in a gangue of quartz with small amount of fluorite, pyrite, beryl and carbonate minerals. Present in minor amounts are molybdenite, bithmuthinite, native bismuth, arsenopyrite, galena, chalcopyrite, pyrrhotite, sphalerite and scheelite. Fluid inclusion study from the minerls at Chongyang mine reveals that vein stage fluids attained a temperature range of 200℃-355℃ and vug stage 160℃-350℃. The filling temperatures show the higher range of 200˚-355℃ in quartz and 280℃-348℃ in beryls, whereas the lower - emperature range of 283℃-295℃ in rhodochrosite and 160˚-253℃ in fluorites. These temperatures are in reasonably good agreement with mineral paragnesis in this ore deposits. Wolfamite minerals were analysed for major components, WO₃, MnO and FeO by wet chemical method. Chemical analysis indicates that they contain 70.56-71.54% WO₃, 8.52-10.01% MnO and 10.00-11.58% FeO. MnO/FeO ratios of wolframites shows the range of 0.78-0.94 which maybe indicates a comparatively high temperature type of hydrothermal deposits.
김규한(Kyu Han Kim),최지호(Jee Ho Choi),이유신(Yoo Shin Lee) 대한피부과학회 1984 대한피부과학회지 Vol.22 No.6
The fibrofolliculoma is characterized by abnormal hair follicles with epithelial strands extending out from the infundibulum of the hair follicle into a hyperplastic mantle of specialized fibrous tissue. We have seen a peculiar case of a 1 year and 2 months old male who had a solitary papule on the left side of his face which histologically showed a typical fibrofolliculoma pattern.
김규한(Kyu Han Kim),윤재일(Jai Il Youn),이유신(Yoo Shin Lee) 대한피부과학회 1985 대한피부과학회지 Vol.23 No.2
We experienced a case of purpura pigmentosa chronica in a 9-year-old girl whose skin lesions are widespread, so that face is also involved in addition to the lower extremi ties, trunk, and upper extremities.
보안관제 효율성 제고를 위한 실증적 분석 기반 보안이벤트 자동검증 방법
김규일(Kyu-il Kim),박학수(Hark-soo Park),최지연(Ji-yeon Choi),고상준(Sang-jun Ko),송중석(Jung-suk Song) 한국정보보호학회 2014 정보보호학회논문지 Vol.24 No.3
국내 사이버공격 대응 전담조직(CERT)들은 탐지패턴 기반의 보안장비(IDS, TMS 등)를 활용하여 사이버 침해공격에 대한 탐지·대응을 수행하고 있다. 특히, 공공?연구기관의 경우 국가정보원(NIS) 내 국가사이버안전센터(NCSC)를 중심으로 30여개의 부문 보안관제 센터가 구축?운영되고 있으며, 주로 침해위협수집시스템(TMS)을 활용하여 사이버 공격에 대한 탐지?분석?대응을 수행하고 있다. 그러나 현재의 보안관제 체계에서는 대량의 보안이벤트가 보안장비에의해 발생되고 있을 뿐만 아니라, 보안관제 요원이 보안이벤트에 대한 실제 공격여부를 판단하기 위해서는 추가적인 분석 작업을 수행해야 하므로 보안이벤트 전체에 대한 대응이 현실적으로 불가능한 실정이다. 또한 현재의 보안관제 업무는 보안관제 요원이 보유한 전문지식 및 경험에만 전적으로 의존하고 있기 때문에 특정 보안이벤트에만 분석이 집중되는 업무편중 현상이 발생하며, 이로 인해 기존에 알려지지 않은 새로운 해킹 공격기술에 대한 대응능력이 부족하다. 따라서 본 논문은 실시간 보안관제 및 침해대응 활동의 효율성을 극대화하고 대규모 해킹공격에 대한 조기대응 역량을 강화하기 위해 실제 해킹공격에 대한 실증적 분석에 기반한 대용량 보안이벤트 자동검증 방법을 제안한다. Domestic CERTs are carrying out monitoring and response against cyber attacks using security devices(e.g., IDS, TMS, etc) based on signatures. Particularly, in case of public and research institutes, about 30 security monitoring and response centers are being operated under National Cyber Security Center(NCSC) of National Intelligence Service(NIS). They are mainly using Threat Management System(TMS) for providing security monitoring and response service. Since TMS raises a large amount of security events and most of them are not related to real cyber attacks, security analyst who carries out the security monitoring and response suffers from analyzing all the TMS events and finding out real cyber attacks from them. Also, since the security monitoring and response tasks depend on security analyst"s know-how, there is a fatal problem in that they tend to focus on analyzing specific security events, so that it is unable to analyze and respond unknown cyber attacks. Therefore, we propose automated verification method of security events based on their empirical analysis to improve performance of security monitoring and response.