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김규한,박창근,한상대,편종근 한국해안해양공학회 1997 한국해안해양공학회 논문집 Vol.9 No.3
해빈 보존공법중 배수층설지 공법의 타당성 분석을 위하여 파랑모형과 침투류모형을 결합한 복합모형을 구성하여 수치실험을 수행하였다 파랑모형으로는 Shuto(1972)의 해석해를 사용하였고, 침투류모형으로는 포화-비포화흐름의 지배방정식인 Richards식을 사용하였다. 구성된 복합모형의 민감도 분석에 의하면 포화투수계수가 해빈내부의 지하수 흐름장에 가장 민감한 영향을 미치고 있음을 알 수 있었다. 또한 보다 많은 현지의 실측자료들이 수집 된다면 개발된 모형은 해빈내에 배수층 설치시 필요로 되는 제요소 해석에 효율적으로 이용될 수 있을 것이다 In order to analyze the feasibility of the drain layer construction method, which is one of the beach protection methods, a hybrid model is constructed by combining the wave model and the seepage flow model. The used wave model is the analytic solution given by Shuto (1972). and the seepage flow model is used by Richards equation which governs the saturated-unsaturated flow in the porous media. It is concluded by the sensitivity analysis of the hybrid model that the most sensitive parameter in the flow field within the beach is the saturated hydraulic conductivity. The developed hybrid model will be efficiently used in the analysis of the parameter when the drain layers are constructed in the beach, if the field datas are obtained more.
청양중석광상(靑陽重石鑛床)의 지질(地質)과 유체포유물(流體包有物)에 의(依)한 온도측정(溫度測定)에 관(關)한 연구(硏究)
김규한,Kim, Kyu Han 대한자원환경지질학회 1977 자원환경지질 Vol.10 No.1
Chongyang tungsten ore deposits, one of the most important tungsten mines in South Korea, me open space filling hydrothermal vein deposits embedded in Precambrian biotite gneiss and, Cretaceous (?) granite porphyry. Some wolframite-bearing quartz veins are closely associated with -quartz porphyries which strike about $N15^{\circ}-25^{\circ}W$ and dip $800^{\circ}SE$ 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 $200^{\circ}C-355^{\circ}C$ and vug stage $160^{\circ}C-350^{\circ}C$. The filling temperatures show the higher range of $200^{\circ}-355^{\circ}C$ in quartz and $280^{\circ}C-348^{\circ}C$ in beryls, whereas the lower emperature range of $283^{\circ}C-295^{\circ}C$ in rhodochrosite and $160^{\circ}-253^{\circ}C$ in fluorites. These temperatures are in reasonably good agreement with mineral paragnesis in this ore deposits. Volfamite minerals were analysed for major components. $WO_3$, MnO and FeO by wet chemical method. Chemical analysis indicates that they contain 70.56-71.54% $WO_3$, 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.
남한의 주요 금속광상산 석영내의 유체포유물의 가스성분과 용존성분의 화학조성
김규한,정해란 대한자원환경지질학회 1999 자원환경지질 Vol.32 No.5
Gas and chemical compositions of fluid inclusions in quartz some of Au-Ag, Pb-Zn-Cu and W-Mo mineral deposits in South Kores were analyzed to interpret the sources of ore fluid and the depositional condition of ore minerals in base-metal ore deposits. Fluid inclusions in quartz from the gold and silver mines are characterized by CO2 rich fluids which have a wide range in CH4 and CO2 contents (CH4/CO2=0.001-0.225). The CO2 rich but CH4-poor nature of the fluid reflects the high fo2 condition during the mineral precipitation. The C2H6 is detected in hydrothermal quartz vines in metasedimentary rocks from the Jeonjoo-il, Youngbokari and Taechang mines. The CH4/CO2 rations in W-Mo bearing quartz veins range from 0.005 to 0.214, which is similar with those in Au-Ag mines. However, skarn formation stage. Fluid inclusions, A relatively good correlation between Na and Cl contentrations reflects varible salinity in the fluid inclusion, it is suggested that the chemistry of promary magmatic hydrothermal fluids has changed during post-magmatic alteration and/or wall rock alteration processes. The content of gas compositions also depends on the kinds of country rocks, supporting above conclusion.
김규한,박경찬,방형돈,김병국,황지훈 대한피부과학회 1996 Annals of Dermatology Vol.8 No.1
We report a case of chronic myelogenous leukemia in a 2-year-old boy which was manifested as recurrent erythema nodosum-like lesions during his illness. He presented. with recurrent erythema nodosum-like lesions involving both legs, and some lesions were followed by cellulitis-like swelling. He had 3 episodes of leg swelling accompanied by high fever, and the erythema nodosum- and cellulitis-like lesions subsided with antibiotic therapies, but recurred. After his transfer to the pediatric department, he was initially diagnosed as having tuberculosis and was treated with anti-tuberculosis medication. However, subsequent peripheral blood examination showed an increase of immature granulocytic cells and monocytes, and bone marrow aspiration revealed increased myeloid blasts.