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임재근,서강수,문현욱,신용진 明知大學校 産業技術硏究所 1992 産業技術硏究所論文集 Vol.11 No.-
This thesis is the study on the magnetic properties of strontium (Sr) ferrite. Specimens of SrO·nFe₂O₃,basic composition, with n=5.9 which is nonstoichiomatric composition region were prepared by sintering at 1275°C for 1hr, whthin air surroundings. In order to increase coercivity, additives of 0.4wt%SiO₂ and 0.7wt%CaCO₃ were added into basic composition, and 0.5wt%∼2.0wt%Cr₂O₃ was added as second additives. In case of second additives 1.5wt%Cr₂O₃, it was obtained uniformed grain size and magnetic properties was increased. The sintering temperature was 1150°C, 1180°C, 1210°C, 1240°C and 1270°C respectivily and cooling was performed in furnance. From the research and experiments on the magnetic properties of strontium (Sr) ferrite based on the complex additive technique, it was obtained good magnetic properties of (BH)mas=0.72MGOe, at the sintering temperature of 1210°C, in the case of (basic composition)+(basic additive)+(1.5wt%Cr₂O₃)
임재욱 경인여자대학 1998 경인논집 Vol.- No.7
A development of computer networks and communication skills have changed the practices of trade. Electronic commerce over the internet is a new way for conducting business. International trade have an imperfect competition environment for the difficulties of getting information and the costs of transaction like as transport costs. But the innovation of computer communications in these days, internet, make it possible to go to the more perfect competitive market economy. Nowadays, internet, a means of information and trade. eliminate the price differences and realize the same price over the world for anyone in the world can purchase goods of the cheapest price through internet. Electronic commerce is on the highway to development for the characters of internet. Developed countries including USA suggest the non-tariff policy on internet electronic commerce, and it is a issue of international trade, but it is a shock to the underdeveloped countries, especially in internet technologies. I hope to define internet electronic commerce show the present and the issues involving that in this paper.
임재욱 경인여자대학 1995 경인논집 Vol.- No.4
무역은 그 특성상 법률과 상관습이 다르고, 물리적으로 멀리 떨어진 격지간(隔地間) 당사자의 거래이므로, 원활한 커뮤니케이션과 추후 분쟁의 예방을 위해 필연적으로 서류(documents)가 개입될 수 밖에 없다. 양자간의 상이한 상관습이나 여러 가지 무역조건 해석의 차이를 극복하기 위해서는 서면으로 합의한 서류가 필요했던 것이다. 그러나 최근들어 각 산업분야에서 컴퓨터를 이용한 전산화, 자동화 작업이 진점됨에 따라 무역업계에도 그 절차를 자동화함으로써 무역관련비용을 절감하고자 하는 노력이 이루어지게 되었다. 컴퓨터 통신의 발전은 서류없는 무역(documentless trade), 즉 기존의 종이서류를 전바문서(electronic documents)로 대체한 자동화된 무역을 가능하게 하고 있다. 본 연구는 무역자동화의 일환으로서 최근 활발히 그 논의가 전개되고 있는 전자거래정보(EDI의 개념, 그 기대효과, EDI표준, 우리나라 및 주요국의 EDI 추진현황 및 EDI의 현안들을 정리하였다.
지역사회에서 형성된 사회적 지지와 근로자의 사회심리적 스트레스간의 관련성
임화영,김형수,최영환,장성훈,이건세,정최경희,오원기,최재욱,정춘화 대한산업의학회 2006 대한직업환경의학회지 Vol.18 No.4
Objective: This study was performed to examine the relationship between community-based social support and psychosocial distress in workers. Methods: The study subjects were 596 workers recruited from 11 companies in Chungju city. A structured questionnaire was used to assess sociodemographics, health-related behaviors, job characteristics, job stress, work-based social support, community-based social support and level of psychosocial distress. Results: Hierarchical multiple regression analysis showed that workers with no chronic disease, exercise and sufficient sleep had a higher score of psychosocial distress than those with chronic disease, no exercise, and not enough sleep. Coworker's work-based social support and community-based social support were negatively associated with psychosocial distress. The R square value of total independent variables on psychosocial distress was 0.409, and that of community-based social support on psychosocial distress was 0.052. Conclusion: This study showed that community-based social support served as a protective factor against psychosocial distress in some workers. We recommend the establishment of a worksite stress reduction program in occupational level as well as community-based social support.
임재욱 경인여자대학 1994 경인논집 Vol.- No.3
세계경제질서는 GATT의 여덟 번째 다자간 무역협상인 우루과이 라운드 이후 세계무역기수(WTO)의 출범이라는 새로운 환경을 맞이하게 되었다. WTO는 그간의 대표적 국제무역질서인 GATT에 비햐여 한층 강화되고 광범위한 국제간의 교역을 다루고 있다. 무역에 대한 의존도가 높은 우라나라로서는 WTO체제에 대한 정확한 이해와 함께 이에 대한 적절한 대응만이 향후 국제무역의 전개에 있어 필수불가결한 요소임을 인식하고 이에 따른 준비도 시급히 하여야 할 것이다. 본고는 이러한 과제들과 관련하여 세계경제질서의 추이와 새롭게 대두되는 WTO체제 및 향후 예상되는 문제를 살피고, 우리나라의 대응방안을 모색하고자 하였다. 우리나라의 정부, 기업, 국민 모두는 새롭게 변화하는 무역환경의 변화를 또다른 무역장벽으로 이해하기 보다 적극적인 기회로 활용할 수있어야 할 것이고, 이를 위해 보다 합리적인 정책과 경영, 소비가 필요하다고 하겠다.
Hydroxy Propyl Methyl Cellulose 분진의 습도와 온도에 대한 영향성 연구
임우섭,목연수,최재욱 한국안전학회 2004 한국안전학회지 Vol.19 No.3
This study was performed with Hartmann type dust explosion apparatus and Godbert-Greenwald furnace apparatus in order to research the effect of temperature and humidity affecting LEL, minimum ignition temperature of Hydroxy Propyl Methyl Cellulose. The experimental determinations in the range between 20℃ and 60℃ of temperature was not affected LEL(180g/m³) but LEL showed 200g/m³ and 250g/m³ at 80℃ and 100℃. As the change of humidity LEL was 180g/m³ for 50%, 200g/m³ for 60% and 250g/m³ for 70% but dust explosion didn't occur over 80%, The ignition temperature of HPMC dust clouds was increased as increasing of humidity. So, the minimum ignition temperatures at 50%, 60%, 70%, 80% of humidity was 363℃, 375℃, 397℃, 405℃.
이재훈,김형국,조경연,임동욱,민형복 成均館大學校 科學技術硏究所 1997 論文集 Vol.48 No.2
Since testing of digital circuit is becoming increasingly important, many methodologies have been introduced to enhance design for testability (DFT). DFT was taken into account in the automated test procedure and improved reliability of the design. Both tasks are well suited for scan rule checker. This paper presents a scan rule checker for gate level digital circuits. The scan rule checker deals with basic rule check, basic scan rule check, muxed scan rule check, clocked scan rule check and lssd. Scan design informations were represented in the configuration file and libraries were modeled for the scan rule checker. It is an efficient way for the design for testability methodology.