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이기룡(Ki-Ryong Lee),박동철(Dong-Chul Park),박병춘(Byung-Chun Park) 한국의사결정학회 2007 의사결정학연구 Vol.15 No.1
This study introduces the PDP (Product Development Process) concurrent engineering system developed by the Delphi Automotive Systems of USA to eliminate defects at the product development and design phase. We show how the PDP system can be applied through the case study of A company, which modified the PDP system and applied it to the development of automotive components. First, we examine the PDP framework of the Delphi Automotive Systems of USA. Then, we reorganize and systemize the product development process of A company in order for different Korean companies to be able to apply it to their product development processes. The application of the modified PDP system in A company resulted in reducing product development cost, lead time and risk, and promoting the understanding and cooperation among different functions.
건축재인 콘크리트블록과 접착제의 소형챔버를 이용한 오염물질 방출특성 평가
권우택(Woo-Taeg Kwon),김기범(Ki-Bum Kim),김형철(Hyung-Chul Kim),김고성(Ko-Sung Kim),이기룡(Ki-Ryong Lee) 한국환경관리학회 2006 環境管理學會誌 Vol.12 No.2
본 연구에서는 친환경건축자재 개발을 위해 포름알데히드, TVOC의 제거에 높은 제거효율을 나타내는 GNC(Green Natural Clean)를 기존의 접착제에 5%를 첨가하여 친환경 접착제와 일반 콘크리트에 1:1,000, 1:3,000, 1:10,000, 1:50,000의 배합을 하여 제품을 개발하였는데, 개발한 제품의 방출실험을 측정분석 평가하였다. 실험방법은 건축자재 방출실험에 사용되는 소형챔버를 Batch조작하여 콘크리트 및 접착제의 TVOC 및 포름알데히드의 방출농도 특성을 비교실험 하여 다음과 같은 결과를 얻었다. 첫째, GNC첨가에 의한 TVOC 및 포름알데히드의 제거효율은 접착제에서 높은 효율을 나타냈으나 상대적으로 콘크리트에서는 낮은 효율을 나타냈다. 둘째, 수용성접착제의 경우 GNC를 5% 첨가한 접착제는 일반접착제에 비해 TVOC 방출농도가 48.4-59.0% 적게 방출되었으며, 용제형접착제의 경우 GNC를 5% 첨가한 접착제는 14.3-61.3%적게 방출되는 것으로 나타났다. 셋째, HCOH의 실험결과도 GNC의 효과가 매우 높은 것으로 나타났는데 수용성접착제의 경우 GNC를 5% 첨가한 접착제는 일반접착제에 비해 방출농도가 38.6-68.7% 적게 방출되었으며 또한, 용제형접착제의 경우 GNC를 5% 첨가한 접착제는 일반접착제에 비해 72.3-91.1%적게 방출되는 것으로 나타남으로 HCOH의 경우는 TVOC와 달리 용제형접착제에서 높은 효율을 나타냈다. 넷째, 콘크리트에서도 GNC첨가제품이 일반콘크리트에 비해 TVOC 및 HCOH의 방출농도가 낮게 나타났다. 다섯째, 콘크리트에서 TVOC 방출농도는 0.8-32.4%로 접착제에 비해 효율은 떨어짐을 보여주었고, HCOH방출농도는 33.3-66.7%로 나타났다. 여섯째, 1/10,000의 비율로 제조한 콘크리트가 TVOC 및 HCOH의 방출농도가 상대적으로 낮게 나타남으로 최적의 배합비율로 판단되었다. Building and furnishing materials and consumer goods are important sources of volatile organic compounds(VOCs) and other aldehydes in the indoor environment. It tested the removal efficiency of the HCOH and the TVOC of the construction material from the research which it sees. The test material the GNC (Green Natural Clean) in the adhesives which adds 5% in the adhesives and the general concrete blended at 1:1,000, 1:3,000, 1:10,000, 1:50,000 ratio and it develops product in the object. The testing method small Chamber is used in construction material emission test by the Batch. Comparison it tested the emission concentration of the TVOC and the HCOH of the concrete and the adhesives and with afterwords it got a same result. First, the removal efficiency of the TVOC due to a GNC addition and the HCOH it showed high efficiency from the adhesives but showed low efficiency relative from the concrete. Second, The adhesives which 5% adds GNC water soluble adhesives compared in the general adhesives and the TVOC emission concentration was few emitted 48.4-59.0%. Also, the adhesives which 5% adds the case GNC of the solvent type adhesives the TVOC emission concentration was few emitted 14.3-61.3%. Third, HCOH appeared with the fact that the effect of the GNC is high. The adhesives which 5% adds GNC of the water soluble adhesives compared in the general adhesives and the emission concentration was few emitted 38.6-68.7%. Also, the adhesives which 5% adds GNC of the solvent type adhesives in the general adhesives to compare, 72.3-91.1% it was few emitted. The case of the HCOH with the TVOC differently showed high efficiency from the solvent type adhesives. Fourth, concrete the GNC additive with compared in the general concrete and the emission concentration of the TVOC and the HCOH appeared lowly. Fifth, concrete the TVOC emission concentration with 0.8-32.4% compares in the adhesives and the efficiency falls to seem. And the HCOH emission concentration appeared with 33.3-66.7%. Sixth, The concrete which it manufactures at ratio 1/10,000 appeared emission concentration of the TVOC and the HCOH relativy lowly. It was judged at blending ratio of optimum.
靑少年問題의 實證的 考察 : 그 豫防과 指導를 위한 硏究 for it's solution and prevention
李起龍 牧園大學校 1981 論文集 - 牧園大學校 Vol.4 No.-
There is no country in the world where they do not have any youth's problems as a matter of course, though there may be a little difference of seriousness. It is because the problem comes from the characteristic phenomena of growth process and side effects of the social forms that can be changed suddenly. Thus, in developing countries like Korea, the confusion of value-orientation which is brought about as a phenomenon of the tran-sition period when backward conditions are improved, poverty is transferred to abun-dance and traditional despotism to modern democratic system, in humanization and mechanization and feeling of loneliness are the major elements that lead the younger generation to that situation. we can say that the youth's problems almost appeared as the forms of imitation and effected by the socio-cultural surroundings around them, rather than their creative acts. Young boys and girls inherently have innocent and sound characters, but home and educa-tional role which are to bring them up soundly became weakend, and they are strongly affected by the decadent and unreasonable circumstances, and acts are raised under the stuation. But having obeyed adult's ginidance unconditionally when they were young, they come to set their feet gradually in delinquency when they are adolescent, because of the doubt and conflict that come from the discordance of theory and reality, words and conduct. So, to solve this problem, emerging from materialism and mammonism, new education which can recover humanity and clean socio-cultural circumstances around us should be strenghened. To this end, adults as leaders should step up their leading skills and act disirably. They use to attempt to use the younger generation for the purpose of achieving their goals, but emerging from the passive guidnce that has only controlling and taboo. Thus theoretical education and experimental reality come to be approached step by step, and home and socio-educational functions strengthened, in the long run, the young boys and girls' problem can be solved. Furthermore, forming a bright social mood, it is possible for us to establish a welfare society in the world.