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      • KCI등재

        미·일 방위협력지침과 동북아의 새로운 안보질서

        이정훈 한국전략문제연구소 1998 전략연구 Vol.5 No.2

        The introduction of the Guidelines for U.S.-Japan Defense Cooperation(hereinafter the Guidelines) in New York on 23 September 1997 has been received with mixed emotions. On the one hand, the Guidelines are expected to strengthen the existing U.S.-Japan security ties, thereby contributing to the security environment in East Asia. On the other hand, alarmists point to Japan's expanded military role which could eventually lead to Japan's remilitarization, an unsavory development given Japan's past record as an imperialistic power. Whatever the verdict, the Guidelines are generally perceived as a milestone, with the potential to reshape the political·military landscape of the region as a whole. Immediately at issue is the question of how to step up Japan's military role in situations in areas surrounding Japan, including possible contingencies on the Korean peninsula. China, meanwhile, has accused the Guidelines of implying a possible intervention in case of a contingency in the Taiwan straits. Officially, the Guidelines are designed to strengthen Japan's rear area support to U.S. forces in operations. This would necessitate Japan conducting such activities as mines-weeping, surveillance, and intelligence gathering. Although strictly restricted by the "peace constitution" when it comes to forces deployment, the Guidelines seemed to clear the way for Japan's military activities on the high seas as well as in international airspace. This of course is where the focus of the debate lies. Against the backdrop of China's emergence as a major power, the North Korean nuclear threat, and more immediately the Okinawan rape incident, the United States and Japan made the decision to commit themselves to build a more specific and balanced system of military cooperation. The paper discusses some of the main problems and issues arising from this reinforced alliance network. In doing so the Guidelines are put into proper historical perspective, especially from a post-Cold War context. Some of the main questions raised are: What is the significance of the Guidelines? Will the Guidelines serve as a stepping stone for Japanese military expansionism? What problems still lie ahead in the implementation of the contents of the Guidelines? Was this a political as much as a military decision? In examining these and others questions, a point is made about the inevitability of the outcome of the Guidelines. In the end, the impact of the Guidelines on the Korean peninsula is discussed as to how the new U.S.-Japan agreements affect the South Korean government's security outlook and planning. It is argued that given the specific guidelines are within the rigid framework of U.S.-Japan Security Treaty, there's more to gain than fear from South Korean perspective. The South Korean government is therefore encouraged to make every effort to join the U.S.-Japan cooperative scheme, rather than shy away from it, through diverse channels of dialogue.

      • KCI등재

        ‘주다’ 授與構文과 受惠構文의 意味와 論項構造

        이정훈,명정희 한국어문교육연구회 2022 어문연구(語文硏究) Vol.50 No.2

        명정희·이정훈, 2022, ‘주다’ 수여구문과 수혜구문의 의미와 논항구조, 어문연구, 194 : 5~28 우리말에서 ‘주다’는 수여구문과 수혜구문을 형성하며 일반용언과 보조용언의 두 가지 자격을 지닌다. ‘주다’는 일반용언으로 사용될 때 행위주역, 대상역, 수령자역을 요구한다. 이때 수령자는 대상을 소유한 자로 해석되어 대상이 이동한 착점인 도달점과 구분된다. ‘주다’는 동사 뒤에 결합하여 ‘-어 주다’ 연속 동사 구문을 형성하기도 한다. 이때 ‘주다’와 같이 ‘NP에게’를 논항으로 가지는 ‘던지다’류의 동사와 결합하면 ‘주다’는 ‘소유 이전’의 의미로 해석된다. 이와 달리 ‘읽다’와 같은 동사 뒤에 ‘-어 주다’가 결합하면 대상의 의미가 개체가 아니라 사건으로 해석되어 수령자가 사건의 결과 상황에 놓인 것으로 해석된다. 한편 ‘-어 주다’ 수혜구문은 ‘NP에게’를 도입하지 않고 ‘NP을/를 위해’로 실현되는 수혜주를 논항으로 취한다. 이때 수혜주는 행위주의 행위 목적이자 동기로 해석되며 논항 중에서도 당연 논항으로 분석된다.

      • KCI등재

        방향족화합물을 분해하는 Alcaligenes xylosoxidans의 모래속에서의 무작위운동 계수 측정

        이정훈,유영제,유인상,김상용,이진원 한국생물공학회 1998 KSBB Journal Vol.13 No.4

        The bacterial motility in sand was studied with Alcaligenes xylosoxidans Y234 which is known as a strong decomposer of aromatic chemicals, especially toluene. Apparent motility coefficient (${\mu}$c,app) and apparent chemotaxis coefficient (${\mu}$c,app) for toluene were measured in the sands which have four different porosities. Adsorption ratio of Alcaligenes xylosoxidans Y234 on the sands was measured as 17%. The ramdom motility coefficients were 0.85∼1.68${\times}$10-3$\textrm{cm}^2$/sec, and decreased as the porosity of sands decreased. Apparent chemotaxis coefficients were measured as 1.1∼6.8${\times}$10-5$\textrm{cm}^2$/sec, and decreased as the porosity decreased and with time. The tendency of alcaligenes xylosoxidans Y234 movement towards toluene seemed very weak and showed little chemotaxis.

      • KCI등재

        골악성 섬유성 조직구종의 자기공명영상

        이정훈 대한영상의학회 1996 대한영상의학회지 Vol.34 No.2

        Purpose : The purpose of this study is to assess magnetic resonance (MR) imaging findings of malignant fibroushistiocytoma (MFH) of bone and to evaluate the role of contrast-enhanced MR imaging in the diagnosis of bone MFH.Materials and Methods : MR imagings of pathologically proven bone MFH in ten patients were reviewed. Enhancedstudy was also performed with Gd-DTPA. The MR images were evaluated for signal intensity, homogeneity, marginaldefinition, presence of internal septation, cortical destruction, soft tissue extension, joint involvement andcontrast enhancement. Results : Tumors showed iso- or slightly high signal intensity to muscle on T1-weightedimages and heterogeneously high signal intensity on T2-weighted images. Four cases showed poor-marginated borderon T2-weighted images and four cases had internal septa. Eight of nine patients with intravenous administration ofGd-DTPA showed contrast enhancement, five were heterogeneous and three were homogeneous. All cases showed corticaldestruction and soft tissue extension. Five cases showed joint involvement. Conclusion : Bone MFH showed similarMR imaging findings of soft tissue MFH or other malignant bone tumors, but joint involvement was suggestivefinding of bone MFH.

      • KCI등재

        Workflow Dependency Approach for Modular Building Construction Manufacturing Process Using Dependency Structure Matrix (DSM)

        이정훈,박문서,이현수,김태윤,김수영,현호상 대한토목학회 2017 KSCE JOURNAL OF CIVIL ENGINEERING Vol.21 No.5

        The modular construction method is efficient for line production processes in factories. However, many modular unit production factories are having difficulty that how to prevent bottleneck effect, rework, and work congestion through the appropriate level of work packages composition by each work stations to achieve the smooth production. To solve these problems and improve production flow, the authors of this paper propose an optimized construction process at the factory production stage using a Dependency Structure Matrix (DSM) that considers the process approach based on flow of construction information in work activities. To test its effectiveness, the proposed process was applied to a modular factory and was found to reduce the number of main activities from 65 to 43 in comparison with as-is processes. Using this method, a manufacturing manager can thus improve production flow by analyzing the characteristics of work activities that form the plan for the manufacturing sequence decision phase. Moreover, while modular activities are independent of main assembly, there exist strong internal dependencies among these activities such that the manager can check the quality of each module. Furthermore, the research here might help save time in the manufacturing phase in factories.

      • KCI등재

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