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이광률(Gwang-Ryul Lee) 대한지리학회 2014 대한지리학회지 Vol.49 No.1
본 연구는 태백산맥 남부에 위치한 울진 광천, 평해 남대천, 영덕 오십천을 대상으로 하안단구 지형 특성, 분포, 형성시기, 하각률을 분석하여, 지반융기와 기반암 특성에 의한 하안단구 형성과정을 추정하였다. 울진 광천 상류부의 구조 및 기후단구 1면은 하상비고 9~12m, 형성 시기는 MIS 2, 하각률은 0.40m/ka로 분석되었으며, 영덕 오십천 상류부의 구조 및 기후단구 1면은 하상비고 7~10m, 형성 시기는 MIS 3, 하각률은 0.10m/ka로 계산되었다. 이러한 결과는 울진 광천 유역이 영덕 오십천 유역에 비해 상대적으로 지반 융기율이 클 가능성을 의미한다. 울진 광천의 하류부는 영덕 오십천과 달리 해면변동단구가 확인되지 않는데, 울진 광천은 큰 융기율과 풍화·침식에 강한 기반암으로 인해 하곡에서 지형의 잔존 가능성이 낮은 것으로 보인다. 한편, 연구 대상 하천의 구조 및 기후단구는 가장 낮은 단의 형성시기가 다르고, 간빙기 내 기온 저하기와 아간빙기에 형성된 단구면도 확인되었다. 따라서 기존 기후단구 모델에 따른 하안단구 편년 방법에 대해 재고할 필요가 있다. This study estimates geomorphological processes of fluvial terraces by uplifts and bedrock features, by the analyses of topography, distribution, formation age and incision rate of fluvial terraces using Gwang-cheon River in Uljin, Namdae-cheon River in Pyeonghae and Osip-cheon River in Yeongdeok located in the southern Taebaek Mountain Range. The tectonic and climatic terraces I in the upper reaches of Gwang-cheon River with an altitude from riverbed of 9~12m indicate the formation age of MIS 2 with a incision rate of 0.40m/ka. However, the tectonic and climatic terraces I in the upper reaches of Osip-cheon River with an altitude from riverbed of 7~10m show the formation age of MIS 3 with an incision rate of 0.10m/ka. These results suggest that the uplift rate in the Gwang-cheon River basin is likely to be higher than that in the Osip-cheon River basin. Unlike the lower reaches of Osipcheon River, the thalassostatic terraces are not found in the lower reaches of Gwang-cheon River, because the basin has low maintainable ability of landforms in river valley due to high uplift rate and bedrock properties resistant to weathering and erosion. On the other hand, the lowest tectonic and climatic terraces in the study areas indicate different formative ages and the terraces during the cooling stage in interglacial as well as during interstadial are also found. Therefore, this study suggests that chronological method for fluvial terrace by the previous developmental model of climatic terrace should be reconsidered.
이만승,이광섭,이진영,김성돈,김준수 대한금속재료학회 2004 대한금속·재료학회지 Vol.42 No.10
Solvent extraction experiments of Sm were performed from chloride solution with PC88A and saponified PC88A. Solvent extraction reaction of Sm with PC88A and the corresponding equilibrium constant were evaluated from the experimental and ionic equilibria data as follows Sm^(3+)_(aq)+ 1.5H₂A_(2,org)= SmA_(3,org)+ 3H^(+)_(aq) , K = 0.33. The predicted distribution coefficients of Sm agreed well with the experimental results. The distribution coefficients of Sm with saponified PC88A and the values of equilibrium pH depended on the initial extraction conditions. When the concentration of PC88A was in excess of that of Sm, saponification of PC88A greatly enhanced the extraction of Sm. (Received June 21, 2004)
비누화 PC88A에 의한 NdCl₃와 SmCl₃용매추출의 화학모델
이만승,이광섭,이진영,김성돈,김준수 대한금속재료학회 2004 대한금속·재료학회지 Vol.42 No.10
A chemical model was developed to estimate equilibrium constant for the solvent extraction of Nd and Sm from chloride solution with saponified PC88A. The model could be employed to predict the distribution coefficient of metal from the initial extraction conditions. The model consisted of chemical equilibria, mass balance, charge balance and solvent extraction reaction. By applying the model to the experimental conditions and data, equilibrium constants for the solvent extraction of Nd and Sm were obtained. The effect of the saponification of PC88A on the extraction of Nd was explained in terms of the equilibrium constant obtained in this study and the change of equilibrium pH. The predicted distribution coefficients of Nd and Sm agreed well with those measured. (Received July 14, 2004)
염산용액에서 비누화 PC88A에 의한 용매추출로 Gd와 Sm의 분리
이만승,이광섭,이진영,김성돈,김준수 대한금속재료학회 2005 대한금속·재료학회지 Vol.43 No.5
Solvent extraction experiments have been performed to separate Gd and Sm from chloride solution with PC88A and saponified PC88A. The effects of extraction conditions on the distribution coefficients of Gd and Sm were investigated. The distribution coefficients of Gd were higher than those of Sm in the experimental ranges of experimental conditions of this study. A solvent extraction model was developed to predict the distribution coefficients of metals and separation factor between Gd and Sm from the initial extraction conditions. The measured distribution coefficients of Gd and Sm with PC88A and saponified PC88A showed good agreements with the predicted values. (Received March 3, 2005)
Family Origin Names and Haplotypes of Y - DNA in Korean Population
Kim, Jong Soon,Kim, Yung Jin,Ahn, Gwang Sook,Lee, Ju Won,You, Sun Ah 한국유전학회 1996 Genes & Genomics Vol.18 No.4
The use of restriction fragment length polymorphisms (RFLPs) has been proposed for the construction of a human genetic linkage map and also become a powerful tool in human population genetics. Human Y-chromosome which is haploid and paternally inherited is valuable for investigating male-mediated gene flow and for complement maternally based studies of mtDNA. We have studied 166 samples from 4 kinds of family origin names such as Kyungju Kim, Kimhae Kim, Chunju Lee and Milyang Park based on the 49aTaq 1 polymorphisms, and a total of 25 haplotypes were observed. The B, F, and I bands is observed in all haplotypes and haplotype showing A3, B, D2, D3, F, and I bands is common haplotype except for Chunju Lee. The result obtained are summarized as follows.
李光澤 淸州大學校 産業經營硏究所 1989 産業經營硏究 Vol.12 No.1
A careful planning and control is needed in order for us to survive and grow in severe competition. A good result can be obtained through the efforts of sincere and rational planning rather than rule of thumb. The concept of scientific management--planning and control based on broad and accurate information--is most necessary for the large modern corporation under the fierce competitive economy. Business management can be said a dynamic organization like a complicated organism. The better result of business administration needs a balanced and coordinated optimum combination of its physical and human factors. Accordingly, business managers have continued steady efforts for optimal combinations of economic resources of business enterprise. In this sense, this paper analyzes the interrelationships of CVPI(cost-volume-profit-investment) of major components in profit control which is the basis of management. The objective of this study is to arrange profit graph by category of business available to profit planning by category of business. Also, this paper investigates the lower limit of profitability, a kind of break-even point, as a margin of return allowance of manufacturing business for market which adopts free return systems together with consignment sales method. The paper divides formation and development of profit graph into six stages of period prior to 1960 and henceforth and examines the types and application of profit graphs. Managerial planning is more needed in the future and, thus, it can be said that continued efforts for research and development available to managerial planning is more essential than ever.
복잡적응체제론과 도가사상의 관점 비교 연구 : 조직관리를 중심으로 Focused on Organization Management
이광모 三陟大學校 産業科學技術硏究院 2005 産業科學技術硏究論文集 Vol.10 No.-
The purpose of this study is to reconfirm the potential applicability of the complexity theory to organizational management by comparing the similiarities between complex adaptive system theory(CAST) and Doism thought. There has been some effort to apply complexity adaptive system theory to organization management due to the rapidity of the environmental changes, CAST can cover weakness of reductionism inherent in the traditional science, and has relevance in explaining complex and chaotic organizations. However, since it has been developed from natural sciences of the West, it manifested philosophical limitations in applying to social sciences of the East. The results of the study reveals many commonalities and similiarities between Doism Thought and CAST in many aspects. Especially the Doism and the Book of Changes connecets various notions of CAST with such similarities as between the notion of emergence in complex adaptive system theory and dynamics of exchage, or the continuous flux, between nonlinear feedback loop and holism, between self-organization and the notion of the Nature, and between co-evolution and the relativism of the paradox. This study results have implications for the improvement of the richness in studying organizations.