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        • 철광석 가격에 영향을 미치는 요인에 관한 연구

          이우창,김정민,이충권 한국경영정보학회 2019 한국경영정보학회 학술대회논문집 Vol.2019 No.05

          철광석의 가격은 많은 국가와 기업들의 수요와 공급에 따라서 높은 변동성이 지속되고 있다. 이러한 비즈니스 환경에서 철광석의 가격에 영향을 미치는 요인들에 대한 탐색이 중요하게 되었다. 본 연구는 각 기준 시점으로부터 1주(7일) 후의 중국산 철광석의 가격을 예측하는 모형을 구축하기 위하여 과거의 어떤 요인이 중국 철광석 가격에 영향을 미치는지 탐색하였다. 2010년 1월 1일부터 2018년 3월 30일까지 중국산 철광석의 가격 데이터와 중국 철강재 수출량, 일본 철강재 수출 량, 일본 철강재 수입량, 일본 코크스 소비 량, 한국 철근 수출 량, 한국 h형강 수출량 데이터를 수집하여 분석하였다. 이러한 데이터를 기반으로 자기회귀시차분포(Auto-Regressive Distributed Lag: ARDL)를 이용하여 중국산 철광석의 가격을 예측하는 모형을 생성하였 다. 분석 결과에 따르면, 1주 전 중국산 철광석의 가격, 2주 전 일본의 철강재 수출량, 4주전 한국의 h형강 수출량, 3주 전 한국의 철근 수출량이 각 기준 시점의 중국산 철광석 가격에 정(+)의 영향을 미치는 것으로 나타났 다. 이에 반하 여, 1주 전 일본의 코크스 소비량, 3주 전 일본의 철강재 수입량, 1주 전 중국의 철강재 수출량은 부(-)의 영향을 미치는 것으로 나타났다. 본 연구의 결과는 철광석을 구매하고 판매하는 기업들의 의사결정에 도움을 줄 수 있을 것으로 기대된다.

        • 회계정책의 경제적 효과

          李禹昌 군산대학교 1993 群山水産專門大學 硏究報告 Vol.28 No.1

          Accounting policy is the process of selection of specific alternative reporting methods, measurement systems, and disclosure techniques among all that might be available for financial reporting by business enterprises. Traditionally, accounting policy has been based on generally accepted practice and inductive-deductive logic in an attempt to narrow the areas of differences. Research, particularly in the areas of capital markets and human information processing, does provide some assistance in meeting the objectives of accounting policy to improve social and economic welfare. Other social and economic consequences should also be considered in accounting policy decisions in relationship to the costs and benefits of the policies.

        • KCI등재SCOPUS
        • SCOPUSKCI등재

          개구가 어려운 소아에서 성인 및 소아용 굴곡성 기관지경 두가지를 이용한 경비 기관내 삽관 : 증례 보고 A case report

          이우창,구본녀,김기준,민경태,박윤곤,박형식,유대현 대한마취과학회 2002 Korean Journal of Anesthesiology Vol.43 No.6

          We present two pediatric patients, one with Pierre Robin syndrome and one with temporomandibular joint ankylosis with limited mouth opening. They had historical and physical evidence of airway obstruction, difficult feeding, and sleep disturbance. They were scheduled for oromaxillofacial surgery. In each case, two different-sized fiberotic bonchoscopes were used for nasotracheal intubation. After loss of consciousness following an IV injection of ketamine or inhalation of sevoflurane while maintaining spontaneous respiration, 10% lidocaine was sprayed into one nostril. Following insertion of a 60 cm Olympus LF-2 fiberoptic bronchoscope (OD: 3.8 mm) through the same nostril without tube placement, the vocal cords were visualized and topical anesthesia of the larynx was achieved by spraying 2% lidocaine through the biopsy channel. Thirty seconds later, the bronchoscope was passed into the trachea and 2% lidocaine was sprayed intratracheally. Then, the bronchoscope was withdrawn. An endotracheal tube was advanced through the same nostril and positioned in the nasopharunx and the ultrathin fiberoptic bronchoscope (OD: 2.2 mm) was threaded through the tube. There was neither a cough nor laryngeal spasm during advancement of the tube into the trachea. Extubation was performed without compromise in the operating room. The patients were discharged uneventfully. (Korean J Anesthesiol 2002; 43: 759~799)

        • JIT 생산시스템이 관리회계에 미치는 영향에 관한 연구

          李禹昌 군산대학교 지역개발연구소 1999 地域開發硏究 Vol.11 No.-

          Nowadays environments surrounding manufacturing corporates are rapidly changing. Changing consumer's needs and competition concept, shortening product life cycle, increasing weight of fixed costs, accelerating technological innovation, developing High-Tech industries describe these changes well. Based on above view, this study intends to show effects which advanced manufactuing technology, JIT has on management accounting system. JIT manufacturing system is reasonable method of making product because it completely eliminates unnecessary production elements to reduce costs. The basic idea in such a production system is to produce the kind of unit needed, at the time needed, in the quantities needed. Adopting JIT reshapes physical production environments and changes the behavior of production costs, cost measurement and control management, Therefore, in implementing JIT, one of the most important areas for changes is management accounting system.

        • 환경회계의 도입방향에 관한 연구

          이우창 群山大學校 1997 論文集 Vol.25 No.-

          When an environmental accounting have much influenced to success or failure of enterprise plans, considering the reality, to approach substitute proposal should be suggested to strategy of three directions. First, it is defensive strategy that most of present companies have adopted to method of supporting the existing business and maintaining the maximum level of environmental control the sort of following rule. Second, it is offensive strategy that the most of companies dig up the new business opportunity of partly renouncing the existing business. Third, it is the future-design strategy that they want to change thorough reforming structure of business according to analysis continuous future.

        • FMS에 있어서 원가의 특질과 원가계산

          李禹昌 군산대학교 1993 群山水産專門大學 硏究報告 Vol.27 No.1

          The flexible manufacturing system(FMS)is the latest application of computer control to automate batch production manufacturing. It is the newest step in a long line of progressive innovations to raise the productivity parts of industry. A FMS can be defined as a computer-controlled configuration of semi-independent work stations connected by automated material handling systems designed to efficiently manufactured more than one kind of part at low to medium volumes. Manufacturing system is developed rapidly from fixed automation of mass production to flexible automation of cutstom and small batch production is a potent influence at the almost all parts of management. Repeatedly speaking, it influences production management, research and development, managerial accounting and financial management. The characteristic of cost and basic problem of cost accounting in FMS which is accomplished factory automation are studied in this paper.

        • 資本豫算 意思決定支援시스템에 관한 硏究

          李禹昌 군산대학교 1988 群山水産專門大學 硏究報告 Vol.22 No.2

          DSS(Decision Support System) is a new information system. With the distinguished growth of data processing technique, DSS can solve the problem which the EDPS(Electronic Data Processing System) and MIS(Management Information System) can't. DSS is not to make decision automatically but to support system for the manager's decision making. Can DSS support the management decision making which can't be structured statistically ? This paper studies the potentiality of DSS in the phase of decision making process for the strategic capital budgeting. Then, this paper studies the role of DSS in the phase of problem identification, alternative development and selection. Finally, this paper suggests the effects and the problems of capital budget DSS.

        • KCI우수등재

          건설산업 ISO 품질경영시스템의 핵심성과지표에 관한 연구

          이우창,김경래,신동우 대한건축학회 2005 대한건축학회논문집 Vol.21 No.7

          <P> ISO QMS (Quality Management System) was implemented in Korean construction industry as a means to prevent construction failures. Nowadays, it is an essential requirement for the construction industry. In the starting period of the implementation, Korean government gives bidding incentive to the companies which acquire the certificate of ISO 9000 to activate implementation of ISO QMS to the construction industry. As a result, most of construction companies get the certificate, and use ISO QMS. However, effectiveness of ISO QMS is not proved evidently, and ISO QMS increases maintenance cost. Therefore, this paper proposes KPI (Key Performance Indicator) of ISO QMS to prove effectiveness of ISO QMS.</P>

        • 포스터발표3 : 생물화공 ; P-392 : Production of E6 oncoprotein in recombinant Escherichia coli and its porous protein chip

          이우창,김용완,천범석,이두봉,김희주,최정우 한국화학공학회 2007 화학공학의이론과응용 Vol.10 No.1

          In most high-risk human papillomaviruses (HPVs) infection, E6 oncogenic protein plays a critical role in inducing cervical cancers by interacting with p53 for inactivation of the cellular regulatory proteins [1]. E6 protein acts by stimulating degradation of P53 through the ubiquitin-dependent proteolysis pathway. The viral E6 protein is also required for the continuous growth of HPV-immortalized cells.In this study, we constructed a recombinant E. coli and produced E6 oncoprotein to investigate the molecular pathway of tumor suppression effect with a porous protein chip [2]. [This work was supported in part by the Korea Science and Engineering Foundation (KOSEF)through the ADvanced Environment Monitoring Research Center at Kwangju Institute of Science and Technology.] REFERENCES [1] Kaur P, et al. J Gen Virol 1989;70:1261-1266. [2] Oh BK, et al. Biosens Bioelectr 2003;18:605-611

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