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김준효,양광모,강경식 대한안전경영과학회 2003 대한안전경영과학회지 Vol.5 No.1
Enormous stocks by the reduced life cycle of products caused by the technological innovation in later 20 century, development of new materials and diversified demands of customers appeared as the pressing element causing the trouble in management of companies, and when considering the logistic costs that are imposed to companies in terms of function, the costs related to the stock topped the list of costs, followed by the transportation ones, and for pallet pool system, inventory of stocks is very difficult by the number of companies. Reducing the logistic cost may be accomplished by numbers of logistic management methods, but the most fundamental and essential one is the accomplishment of the consistent pallet system that is the core of unit load system, and the purpose of consistent pallet system is the treatment of logistic functions such as transportation, storage and unloading with consistent pallet system, and increasing the turnover ratio is required for the improvement of the system. As the turnover ratios is increased, more pallets will be used so, numbers of empty pallets will be increased accordingly by returning the pallet. Therefore, in this study, we will establish the effective stock management system by comparing with the other existing stock management system after looking at the concept and examples of pallet full system in order to resolved this kind of problem.
김준효 한국어업기술학회 1989 수산해양기술연구 Vol.25 No.3
새로운 정보전달 방식으로서 광섬유 시스템이 각광을 받아 대중통신을 비롯하여 각 분야에서 연구되고 있고 실용화에 매진하고 있다. 당초에는 실험적인 시행이였지만 최근에는 대규모의 LAN(Local Area Nerwork)의 채용등 실용화 단계로 발전되고 있다. 여기서 광섬유 시스템의 개요를 설명하고 선박에의 적용등에 대한 고찰을 첨가하여 선박의 광섬유 케이블을 소개한다.
Palmes Tube를 이용한 도시주택의 옥내외 NO₂가스의 농도에 관한 조사 연구
김준효,이채언,전진호,문덕환,이명철,김준호,김병수,김용완 인제대학교 1985 仁濟論叢 Vol.1 No.2
Recently there have been increased concerns about indoor air pollution, and nitrogen dioxide (NO2) is one of the main elements among Indoor air pollutants of urban homes. For the purpose of representing the data for evaluation and control of health effect due to NO2, we measured the levels of NO2 inside (kitchen, living room and bed roam) and outside homes by type of house and type of cooking fuel with some factors relating to the indoor NO2 levels. A total subject of 285 homes in Pusan area were randomly sampled form November, 1984 to February, 1985 and NO2 was collected by Palmes tube. The obtained results were as follows ; 1.The mean level of NO2 was 0.030±0.013ppm in kitchen, 0.022±0.011ppm in living room, 0.017±0.009ppm in bed room and 0.021±0.008ppm outside homes with statistical significance between kitchen, bed room and outside homes(p<0.01). 2.The mean indoor NO2 level of apartment using briquette was higher than others with statistical significance in living room and bed room(p<0.01). 3.By artificial ventilation of kitchen, there showed a little differences in indoor NO2 levels with statistical significance in the kitchen of apartment(p<0.01). 4.By family size and parental smoking, there showed a little difference in indoor NO2 levels without statistical significance. 5.By the history of asthma attack in childrens below 12 years old, there showed no statistical significance except In bed room of apartment (p<0.05).