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朱相龍 홍익대학교 동북아연구소 2006 企業經營硏究 Vol.3 No.-
This study focuses on the current situation and the strategies for growth of Investment Management Industry in Korea. Investment management industry is one of the fast growing industry in Korea. But it has several shortcomings such as small fund size, short fund holding period, operation fee rate is too small compared to sale fee rate. We must diversify types of investors, products and sales channel in order to guarantee the fast and longrun investment management industry growth in Korea
목조건축의 도리결구재의 유형 분류 : 16세기 이전의 건축물을 중심으로 Focused on structures built before the 16th century
주상훈,전봉희 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(계획계)
The purpose of this study is to classify a purlin support type and its materials of Korean wooden structures and Chinese ones and consider it with the times and regions. There are side connecting bace(Takgak), slanting strut(Chasu), connecting beam(Chagyun), curved connecting beam(Charak), purlin-support(Dori-anchogong) and so on besides a basic beam in the type of purlin support forms have several characteristics in accordance with the times and regions. According to this classification. Structures of Koryo have a connection with structures of Song or Won dynasty in China. Periodic and regional characteristics of Korean wooden structure can be found in the use of curved Chasu or decorated Dori-anchogong.
朱相龍 홍익대학교 산업기술연구소 1997 産業技術 Vol.7 No.-
One of the problems domestic merger market is the irrational exchange ratio between merging and merged firms. This study develops the rational exchange model based on Larson Gonedes(1969). This model explains the rational exchange ratio according to large sharsholder's holdings of merging and merged firms.
생활치에서 나타나는 치근단 병소 : 보존적 치료 후 자연치유
김현주,이승종,정일영,박성호 大韓齒科保存學會 2012 Restorative Dentistry & Endodontics Vol.37 No.2
It is often presumed that apical periodontitis follows total pulp necrosis, and consequently root canal treatment is commonly performed. Periapical lesion development is usually caused by bacteria and its byproduct which irritate pulp, develop pulpitis, and result in necrosis through an irreversible process. Afterwards, apical periodontitis occurs. This phenomenonis observed as an apical radiolucency in radiographic view. However, this unusual case presents a spontaneous healing of periapical lesion, which has developed without pulp necrosis in a vital tooth, through conservative treatment.
주성현,허태철 慶北大學校農業科學技術硏究所 1995 慶北大農學誌 Vol.13 No.-
This study was carried out to investigate the Physico-chemical Properties of Maeye-Dong Experiment Forest Soils. It is important to get fundmental information for establishment of economic and enviromental forest stands. The results obtained from this study were as follows: 1. The range of soil texture was in loamy sand and sandy loam. 2. The pH of Maeye-Dong Experiment forest soils found to be lower than that of Korean brown forests. 3. Most of investigated areas were known to be lack of exchangeable cation and nitrogen. 4. Fertilizer application should be advanced for establishment of economic and enviromental forest stand.
박상용,곽영주,강인준 釜山大學校生産技術硏究所 2004 生産技術硏究所論文集 Vol.63 No.-
습지는 한번 훼손되면 재생 불가능하고 그 대체물을 만들 수 없으므로 습지보전과 대책마련이 증요하다. 최근, 환경단체에서 자연습지 뿐만 아니라 산지습지에 대한 지속적인 생태적 조사와 발견이 중요하다는 인식이 높아지고 있다. 본 연구에서는 산지습원에 대한 기준점 측량방식으로 Total-Station과 GPS (Global Positioning System) 측량장비를 이용하여 정확한 위치를 규정하였고 지리정보(GIS) 기술을 활용하여 체계적으로 자료를 관리할 수 있는 표준화된 습지분포 수치지도를 제작하였다. 또한,복잡한 지도l 설계도면과 종합적 자료관리와 의사결 정 과정을 지원하기 위한 자료를 수치화 하였다.
주수원,한성진 동아대학교 공과대학 부설 한국자원개발연구소 1994 硏究報告 Vol.18 No.2
This paper presents the characteristics of magnetic flux distribution and torque of the reluctance motor. Three phase segmental reluctance motor is analyzed by f.e.m. and the element equation is derived by the variational approach. The magnetic flux distribution shows minimum reluctance at direct-axis and maximum reluctance at quadrature-axis, and the leakage flux is reduced at the position of the teeth of the stator, because of the larger pole are of the rotor comparing to that of the conventional machine. As it could be obtained from theoretical equation, torque varies sinusoidally while the load changes.
주광로,최성복 서강정보대학 1996 論文集 Vol.15 No.-
As the development of infocommunicational technologies and the increase of computer utilization have accelerated the information-oriented society, the security problem of information systems is getting a growing interest and the importance of regulations and procedures for the security problem is increasing. Information systems have to secure the auditability in order to prevent the illegal leakage of information and to track down the violators of control principles. And they also need an audit trail mechanism in order to clarify the information system managers' liabilities and to visualize those users' behaviors. Fundamentally, the audit trail is used as a method for the statistical accountability that tracks down who used which resources in what time and in which order and for the claim of using charge, the maintenance of statistics, the backup and so on. Recently, with the addition of security issues that supervise and log the inappropriate use of system resources, how to track down the illegal access to the information system has become the main issue. In order to construct the audit trail mechanism as above-mentioned, this study proposes a logical model for safe audit logging system based on UNIX system, according to the utility, the security and the perpetuity of audit log and the implantation onto the existing systems.
H∞ 최적 제어기법을 이용한 전력시스템의 안정화에 관한 연구
주석민,이용길,정동일,김상효,이오걸 동의공업대학 2000 論文集 Vol.26 No.1
In this paper, we are considered various possible disturbance conditions in order to design controller, H∞ optimal controller is successfully designed to control in such as situations. To do this, we are determined weighting function and design parameter γ to method of trial and error by Glover-Doyle algorithm. To compare with H∞-PSS and conventional-PSS which is applied in nominal system and load variations, the dynamic characteristics of H∞-PSS controller was verified which has a good response.