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김동성 한국전략문제연구소 1999 전략연구 Vol.6 No.2
The national unification and national security policy of Kim Dae Jung Administration can he distinguished from previous administrations' in such two dimensions as environmental one and policy orientation. Decision-making environment reflects recent economic crisis while new policy orientation is characterized by the "Sunshine Policy", or the "Engagement Policy". The national security agenda has usually been placed on the foremost priority in the nation's contemporary history. Recent economic crisis, however, put the security interest aside, while DJ's engagement policy raises epistemological confusion on the basis of national security and unification policy. President Kim's engagement policy has a premise that attitude and behavior of North Korean leadership could he changed to ordinary one by continuous sunshining while national security policy of ROK is still based on the belief that North Korea is the main enemy that has a goal to 'communize' South Korea. The research goal of this paper is to examine the contradictory nature of present relationship between national security policy and engagement policy toward North Korea, aiming at a systemic understanding which is to be a logical basis for the prescription to solve the problems. The first area of discussion is related with controversial issues on the unification policy. The transitional situation leads us to confront with two dimensions of problem: epistemological one as well as a matter of practice. The most serious fact in epistemological dimension is the growing tendency that people begin to regard no longer the national security as being of the prime value. This problem is more or less caused by DJ's 'Sunshine Approach' and then it has made contention between 'state centered paradigm' and 'nationalistic paradigm'. At the same time, the process of national security policy decision making and execution has revealed itself far short of 'institutionalization'. The second area of discussion deals with logic of national security policy. There can be detected a number of controversies. Such questions as "national security for whom" and "which values" are among them. In addition, on the question of "sufficiency of security", "the source of threats", and "the means for security", controversial arguments make the present policy environment getting more complicated. In this context, some policy suggestions can be summarized as follows: 1) National security and unification policy should be systemized, from the decision making to execution, and all the process needs to be integrated as well Especially, national security policy requires the common belief on national goal and national ideology, then the concept of national interest and national objective needs to be shared by all the people. 2) New presidential leadership should be activated to maintain policy coherence while to control and harmonize effectively unification -security policy establishments. 3) As the hasty expectation for the South-North reconciliation and peaceful coexistence are not realistic, the top decision makers' prudence is needed in their evaluation process for the proper level of security arrangement. 4) There should be endeavors to secure sufficient deterrence capability for the short-run, while structuring solid basis for the long-run objective of peaceful coexistence. In this process, national consensus and supports are the prerequisite for attaining desirable goals.
김동성,김기동,고만기,Kim,Dong-Sung,Kim,Kee-Dong,Ko,Man-Gi 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
The development of crash cushions is finally completed by full-scale vehicle crash tests. Since the current development of crash cushions is achieved by numerous repeated full-scale vehicle crash tests based on empirical and irrational methods, it requires a great amount of costs. In this research, the more rational procedure based on prototype design by static tests and computer simulation is suggested and it can minimize the number of full-scale vehicle crash tests.
김동성,김기동,고만기,Kim. Dong-Sung,Kim. Kee-Dong,Ko. Man-Gi 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
The design strength of panel zones, which was based on Krawinkler model, was investigated by comparing it with existing test and FEM results. The design strength overestimates of the strength of panel zones with thick column flange while it matches well with the strength of panel zones with thin column flange. More extensive studies are needed to develop a mathematical model which can properly define the inelastic behavior of panel zones with various column flange thicknesses and to determine a more rational design strength.
클린룸 자동화재탐지설비의 성능위주 방재설계 적용에 관한 고찰
김동성,황철승,이상곤,조원철,이태식,Kim. Dong-Sung,Hwang. Cheol-Seung,Lee. Sang-Gon,Cho. Cheol-Won,Lee. Te-Shik 한국방재학회 2007 한국방재학회 학술발표대회논문집 Vol.2007 No.1
This study is to establish the appliance model for the automatic fire alarm system in clean room within the framework of the performance based design. Because of the environmental and dimensional characters of clean room, this space is exposed to fire and toxic damage, so it is very important to notify the occupants of these dangerous situations.
변형 LIGA 공정을 통해 제작된 Microlens의 모델링 및 시뮬레이션
김동성,이성근,양상식,권태헌,이승섭,Kim, Dong-Seong,Lee, Seong-Geun,Yang, Sang-Sik,Gwon, Tae-Heon,Lee, Seung-Seop 대한기계학회 2002 大韓機械學會論文集A Vol.26 No.9
In this paper, we present modeling and simulation of microlens formation by means of a deep X-ray lithography followed by a thermal treatment of a PMMA (Polymethylmethacrylate) sheet. According to this modeling, X-ray irradiation causes the decrease of molecular weight of PMMA, which in turn decreases the glass transition temperature and consequently causes a net volume increase during the thermal cycle resulting in a swollen microlens. In this modeling, the free volume theory including the relaxation process during the cooling process was considered. The simulation results indicate that the modeling in this study is able to predict the fabricated microlens shapes and the variation pattern of the maximum heights of microlens which depends on the conditions of the thermal treatment. The prediction model could be applied to optimization of microlens fabrication process and to designing a micro mold insert for micromolding processes.
북동 태평양 심해저퇴적물에 서식하는 중형저서생물의 군집조성
김동성,Kim, Dong-Sung 한국해양학회 1997 바다 Vol.2 No.1
북동 태평양 심해저 퇴적물에 서식하는 중형저서생물의 군집조성 및 분포양상을 보기 위하여, 다중 주상 시료 채취기(Multiple corer) 및 상자형 시료 채취기(Box corer)를 사용하여 10개 정점에서 시료를 채집하였다. 전 정점에서 18개 분류군이 출현하였다. 각 군집의 비율을 보면 Sarcomastigophora가 가장 우점하여 35.8%, 그 다음 Nematoda가 30.8%, Crustacea의 Naup1ius larvae가 그 다음으로 11.9%의 조성비율을 보였다. 또, benthic Harpacticoida, Ciliophora가 주요 생물군으로 이 5개의 주요 동물군이 전 정점의 중형저서동물 전체의 약 90%를 차지하였다. 총 개체 수는 정점 4(수섬 4960 m)에서 가장 높은 196 inds./10 $cm^2$을 보였고 정점 1(수심 4969 m)에서 가장 낮은 85 inds./10 $cm^2$을 보였다. 각 정점의 평균 개체 수는 $1.34{\times}10^5\;inds./m^2$ 이였다. 수평분포는 수심의 증가에 따라 서서히 감소하는 경향을 보였고, 수직분포는 표층 0~1 cm에서 집중적으로 분포하고 퇴적물내의 심도의 증가에 따라 서서히 감소하는 경향을 보였다. This study was carried out to investigate the faunal composition and distribution pattern of meiobenthic community in the deep sea sediments of northeastern Pacific Ocean. Faunal samples were collected at 10 stations using a multiple corer and a spade type box corer during May 1996. A total of 18 meiofaunal groups were found, and Sarcomastigophora was the most dominant group which accounted for 35.8% of total meiofaunal abundance. Nematoda (30.8%), Nauplius larvae of Crustacea (11.9%), Ciliophora (6.8%) and Harpacticoida (3.0%) which were also important components of the meiofaunal community. All of these five faunal groups comprised more than 90% of total meiofauna. The highest density of 195 ind./10 $cm^2$ was found at St. 4 (4960 m water depth), but the lowest one, 85 ind./10 $cm^2$ at St. 1 (4969 m water depth). The overall mean density of meiofauna was estimated as $1.34{\times}10^5\;ind./m^2$. The abundance of meiofauna showed a slow decreasing trend along the water depth. The highest density was observed in the upper 1 cm and density decreased drastically with increasing depth from the surface.
김동성,조원철,김병선,이태식,Kim. Dong-Sung,Cho. Won-Cheol,Kim. Byung-Seon,Lee. Tae-Shik 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
This study is for the corrosion property of sprinkler pipe and the prevention solution. The main causes of corrosion are the deterioration of pipe and wrong installation of pipe. This study includes the property of stainless pipe that is widely used as sprinkler pipe and other kinds of pipe, the theory of corrosion procedure and the result of test that is performed to ascertain the advance degree of corrosion about `A` factory complex using pipe samples that were collected at designated point of each factory complex.
기종저(氣腫疽)에 대(對)한 몇가지 항생물질(抗生物質) 치료시험(治療試驗)
김동성,차연호,Kim, Dong Sung,Cha, Youn Ho 대한수의학회 1964 大韓獸醫學會誌 Vol.4 No.1
In the treatment of mice Aureomycin, Oil penicillin, Achromycin, Ambrasynth and Terramycin were effective on the Black-leg disease when they were administered about 4 to 5 hours before the death of control animals. Synthomycetin, however, was observed to be effective when administered 8 hours or more before the control death. Streptomycin seemed to be rather less effective than Black leg antiserum. It was not effective at all when given 19 hours before the death of control animal although there was a delay of taking death by 5 hours in the treated group. As was in mice, Streptomycin was little effective in the treatment of calves, while other antibiotics showed fine efficacy on the diseased animals. The diseased animals, when given with anitibiotics 37 hours before the death of control showed the rise of temperature($41^{\circ}C$ or more), swelling and redness on the site of infection and then recovcred to normal stage. In the treatment of calves, Aureomycin only delayed the taking death of the deseased animals by 111 hours when administered 4 hours before the death of control animals. And other antibiotics, when given 4 hours before the death of control animals were effective, although the deseased animls developed symptoms such as hard breathing, anorexia and dropsical swellings. Oil penicillin was observed to be comparatively larger in its efficacy on the treatment of Black leg disease.