제1형 신경섬유종증의 임상적 고찰

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)

한국 동해안의 너울성 고파랑의 발생기구

김규한(Kim Kyu Han),윤성진(Yoon Seong Jin) 대한토목학회 2008 대한토목학회 학술대회 Vol.2008 No.10

수치시뮬레이션에 의한 해안선 변화 검토

김규한(Kim Kyu Han),이주홍(Lee Joo Hong) 대한토목학회 2007 대한토목학회 학술대회 Vol.2007 No.10

회절 및 수심효과를 개선한 만내설계파 모델의 적용성 검토

김규한(Kim, Kyu Han),한하나(Han, Ha Na) 한국해안해양공학회 2013 한국해안해양공학회 논문집 Vol.25 No.6

본 연구에서는 만 또는 도서지역과 같이 지형적으로 차폐되어 외해로부터 직접적인 파랑전파가 어렵고 바람에 의해 발달된 파랑의 영향이 클 것으로 판단되는 지역에 사용되는 기존 만내설계파 모델의 문제점을 분석하고 개선방안을 검토하였다. 기존 만내설계파 모델은 바람을 고려할 수 있고 타 모델에 비해 복잡한 지형에도 비교적 간편하게 사용할 수 있는 장점을 지니는 반면 인근 대형 구조물 또는 지형에 의한 파랑의 회절 및 반사 등의 고려가 곤란하다. 기존모델의 단점을 극복하기 위해 회절 및 반사각, 수심변화 등의 고려가 가능한 개량된 만내설계파 모델을 현지에 적용하고 기존 모델과 비교 검토한 결과 구조물 주변에서 설계파고의 값에 신뢰성이 향상되는 것을 확인하였다. 따라서 개선된 만내설계파 모델은 차폐되어 있는 해역에서 항만 구조물 설계 시 기존의 방법에 비해 보다 고정도의 설계파를 산정하는 방법으로서 이용될 수 있을 것으로 판단된다. The purpose of this study is to review and overcome the limits of the existing design wave model applied to such waters as those located inside bays or near islands where the impact of wind influenced waves are more dominant, due to the nature of topographic isolation, than the influence of direct waves coming from the open sea. Although the existing model for an inside bay design wave is excellent for considering wind factors and very adaptable to topographically complicated areas compared to other models, it is difficult to show the wave diffractions and reflections caused by large scale structures or topographic features in the region. The study examined the various methods capable of taking into account wave diffraction, the angle of wave reflection, and changes in water depth. As a result of applying the modified design wave model to the target situation (inside bay or near island areas), it was found that the reliability of the design wave height around marine structures was improved, compared to the existing models. Therefore, it is fair to predict that the new model could provide more accurate design waves in the design of marine structures.

데이터마이닝 기법을 이용한 신경망 기반의 화력발전소 보일러 튜브 누설 고장 진단에 관한 연구

김규한(Kyu-Han Kim),박준호(June-Ho Park),이흥석(Heung-Seok Lee),정희명(Hee-Myung Jeong),김형수(Hyung-Su Kim) 대한전기학회 2017 전기학회논문지 Vol.66 No.10

In this paper, we propose a fault detection model based on multi-layer neural network using data mining technique for faults due to boiler tube leakage in a thermal power plant. Major measurement data related to faults are analyzed using statistical methods. Based on the analysis results, the number of input data of the proposed fault detection model is simplified. Then, each input data is clustering with normal data and fault data by applying K-Means algorithm, which is one of the data mining techniques. fault data were trained by the neural network and tested fault detection for boiler tube leakage fault.

韓國 太白山地域 에 分布하는 古生代 石灰巖 의 炭素 와 酸素同位元素 에 關한 硏究

Kyu Han Kim(金奎漢) 대한자원환경지질학회 1980 자원환경지질 Vol.13 No.1

δ¹³C and δ¹⁸O values were determined for the Paleozoic limestones (Great Linestone Series) from the Taebaegsan region and the age-unknown limestones (Janggun Formation) from the Janggun mine, Korea. Limestones of the Great Limestone Series exhibit a range of carbon isotopic composition from -4.5 +1.3‰ with a mean δ¹³C value of -1.1‰, relative to the PDB standard, and of oxygen isotpic composition from +8.8 to +23.3‰ with a mean δ¹⁸O value of +16.0‰, relative to the SMOW, falling into the normal marine limestone range according to Keith and Weber (1964), and Degens and Epstein(1964). Carbon isotopic composition of limestones of the Great Limestone Series becomes progressively lighter from Pungchon limestone of middle Cambrian age to mid-Ordovician Maggol limestone, possibly due to change in depositional environment in the Taebaegsan basin. Variation in isotopic composition of limestones from Hwajeol to Dumugal formation offers the possibility or deposition in shallow sea environment, in which fresh waters were added in several stages. Janggun limestone of unknown age may be corelated with the Paleozoic limestones of Great Limestone Series as infered from the istopic composition ranging from -2.8 to + 0.7‰ of δ¹³C and +13.4 to +22.4‰ of δ¹⁸O.

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.

경상퇴적분지내에 분포하는 소위 마산암에 대한 암석성인연구

김규한,이화정,Kim, Kyu Han,Lee, Hwa Jung 대한자원환경지질학회 1996 자원환경지질 Vol.29 No.4

The granitic rocks, so called Masanite, characterized by the micrographic, mylmekitic and perthitic textures, and zonal structure of the plagioclase in the Masan, Changwon and Jinhae areas belong to normal granite and granodiorite based on the modal analysis. These petrographic features strongly suggest the shallow emplacement of the plutons which are defined a typical calc-alkaline suite and I-type granitoids. The pressures of emplacement of the granitic plutons using the amphibole geobarometer were calculated to be 1.2kbar in the Masan area and 1.4kbar in the Changwon area. Their amphibole-plagioclase equilibrium temperatures were obtained to be $638^{\circ}C$ for the former ones and $724^{\circ}C$ for the latter. Homogenization temperatures and salinities for the type HI and IV fluid inclusions in quartz range from 298 to $541^{\circ}C$ (av. $425^{\circ}C$), and 10.5 to 34.6 wt.% NaCl (av. 28.2 wt.% NaCl), respectively. Gas compositions of the granitic rocks with fairly high $CO_2$ concentration relative to CH, correspond to the magnetite series granite of the mantle source. The terminology of the Masanite is not recommended usage. Because it is hard to discriminate in terms of petrological and petrogenetical characteristics between the Masanite and the Bulguksa granites in the Kyeongsang basin.

현장관측에 의한 침식해안의 표사이동분석

김규한(Kim Kyu Han),유형석(Yoo Hyung Seok) 대한토목학회 2003 대한토목학회논문집 B Vol.23 No.2B

한국(韓國) 태백산지역(太白山地域)에 분포(分布)하는 고생대(古生代) 석회암(石灰岩)의 탄소(炭素)와 산소(酸素) 동위원소(同位元素)에 관(關)한 연구(硏究)

김규한,Kim, Kyu Han 대한자원환경지질학회 1980 자원환경지질 Vol.13 No.1

${\delta}^{13}C$ and ${\delta}^{18}O$ values were determined for the Paleozoic limestones (Great Linestone Series) from the Taebaegsan region and the age-unknown limestones (Janggun Formation) from the Janggun mine, Korea. Limestones of the Great Limestone Series exhibit a range of carbon isotopic composition from -4.5 +1.3‰ with a mean ${\delta}^{13}C$ value of -1.1‰, relative to the PDB standard, and of oxygen isotpic composition from +8.8 to +23.3‰ with a mean ${\delta}^{18}O$ value of +16.0‰, relative to the SMOW, falling into the normal marine limestone range according to Keith and Weber (1964), and Degens and Epstein(1964). Carbon isotopic composition of limestones of the Great Limestone Series becomes progressively lighter from Pungchon limestone of middle Cambrian age to mid-Ordovician Maggol limestone, possibly due to change in depositional environment in the Taebaegsan basin. Variation in isotopic composition of limestones from Hwajeol to Dumugal formation offers the possibility or deposition in shallow sea environment, in which fresh waters were added in several stages. Janggun limestone of unknown age may be corelated with the Paleozoic limestones of Great Limestone Series as infered from the istopic composition ranging from -2.8 to + 0.7‰ of ${\delta}^{13}C$ and +13.4 to +22.4‰ of ${\delta}^{18}O$.