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李光鍾 김천대학교 1983 김천대학교 논문집 Vol.4 No.-
人事考課制度에 関한 硏究 특히 A.K杜를 中心으로
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李光鐘 김천대학교 1982 김천대학교 논문집 Vol.3 No.-
Today the international situation pays keen attention to the multinational enterprise. The essence of the multinational enterprise consists in the pursuit of maximizing the profit by the utilization of economies of scale, including internal and external economies. The multinational enterprise tries to propel a vertical or horizontal integration, and fosters a horizontal and vertical systematization of economies of scale. The advantages of the multinational enterprise’s vertical and horizontal integrations are divided into genuine economies of scale and pseudo econo-mies of scale. That is to say, the genuine economies of scale in a multin-ational enterprise make a contribution not merely to saving the investing factors, including real resources, cuts production and sales costs but to pri-vate enterprises, societies, investing countries, improting countries, and global economies. The pseudo economies of scale make a contribution to the augmenting private profit in an enterprise but not to the saving of re-sources social interests. The American type of multinational enterprise is characterized by pursu-ing its global strategy by an enormous vertical enterprise integration through excavation, production, transportation, refining, and sales throughout the world, and Japanese type of multinational enterprises now begin to make its advance into overseas countries. In this situation, Korea faces the question of what kind of type should be taken for an overseas advance strategy. This study intends to analyse on a theoretical level the related factors, grasp the actual conditions of multinational enterprises in the United States and Japan, and then grope for a direction in which we are to rush for an overseas advance strategy.
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李光鍾 김천대학교 1979 김천대학교 논문집 Vol.1 No.-
In review of companies stationed abroad, based on capital control and management control, the capital control is the one that is controlled by ownership of stocks. On the other hand, management control is the type that is controlled by management policy. World enterprises are required to own capital control, that can be management control, as well, in a w-orld-wide view. Less emphasis is placed on management in the interna-tional enterprises with relatively small foreign busines than the former type. The reason is that as long as the foreign investment is assured of the profit, it would not pursue for management. However, this dose not mean abandoning of the potential control. World enterprises, on the other hand, is characteristics of possessing on-going control which ma-nages and or coordinates the business. The company abroad is basically the Aame as the one at home in being under control by the head com-pany in capital as well as in management. Therefore, the company abro-ad will have to conduct business in compliance with policies and proced-ures of head company at home. Economic pursuit by a ferign company would often result in frictions with national interest of people in the ho-st country or controversies over the so-collod neo-colonialism. Under s-uch situations, the company will have to handle each case reasonably in discussions with the head company at home.
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O/W 유화액의 안정성을 위한 비이온성 혼합유화제의 혼합효과
리광종,박보라,이승범,홍인권 한국공업화학회 2018 한국공업화학회 연구논문 초록집 Vol.2018 No.0
계면활성제는 안정된 에멀션을 만들기 위한 필수적인 성분이며 화장품뿐만 아니라 의약품, 세제, 샴푸등 다양한 곳에 적용된다. 쓰임새가 다양한 만큼 계면활성제에 대한 여러 연구가 진행되고 있는데 유화의 장기적인 안정성 또한 중요한 연구 분야이다. 따라서 본 연구에서는 혼합계면활성제의 종류와 화장품 안정성의 관계를 주제로 실험을 진행하였다. 범용적으로 쓰이는 Brij 78&72 와 span80& tween 80를 선정하여 mineral oil의 required hlb에 맞춰 서로 다른 비율로 혼합하여 유화제를 제조 및 분석하였으며 장기적으로 안정성이 보장되는 계면활성제의 조합과 비율을 알아보았다.
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李光鍾 ; 朴谆薫 김천대학교 1981 김천대학교 논문집 Vol.2 No.-
Considering relationship of economic cooperation between industrialized countries and the less developed countries, industrial structure of many countries at different stages of economic development, regarded as a changing process in industrial structure accompanying economic development of the country and all the other countries, is influenced by industrial structure of other countries. This rather dynamic and based upon interna-tional economy. Accordingly, effort to protect or maintain degenerating industries is not beneficial to industrial adjustment and would be a great loss to overall economic development from a longrange viewpoint. Therefore, what is necessary is not protection but drastic palicy to obtain industrial and structural adjustment. Since economic cooperation is indispensable for stable development of the world economy, it should be continued but required to be reconsidered with emphasis on policies of industrialized coun-tries. It remains to be answered how it is carried out on a basis of economic rationalization without considerations in ideology and politics. In pursuit of economic cooperation, it goes without saying that mutual benefits, benefits to the vendor and recipient countries in other word, should be emphasized. In case of structural adjustment and transformation in various industries, international division of industry result in longrange benefits, only when it is well designed. Economic loan, in particular, should be planned to be effectively workable in both trade and structural adjustment of infustries in the vendor countries so that it may be paid back to the vendor. To enable the economic co-operation to be a decisive means to worldwide economic integration, trade, productive factors and policies should be taken into consideration, ac-cordingly
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비이온성 혼합계면활성제를 이용한 O/W 유화액의 제조 : CCD-RSM을 이용한 최적화
이승범,리광종,줘청량,홍인권 한국공업화학회 2019 공업화학 Vol.30 No.5
본 연구에서는 palm oil과 서로 다른 HLB (hydrophile-lipophilie balance) value를 갖는 Tween-Span계 비이온성 계면활성제를 혼합하여 O/W (oil in water) 유화액을 제조하고, 유화액의 유화안정성을 향상시키기 위한 최적 유화조건을 결정하였다. 이를 위해 CCD-RSM (central composite design model-response surface methodology)을 이용하여 각 계량인자의주효과 및 교호효과를 해석하였으며, 두 가지 반응치를 동시에 만족하는 최적조건을 결정하였다. CCD-RSM의 계량인자로는 유화시간, 유화속도, HLB value, 계면활성제의 첨가량 등을 설정하고, 반응치로는 O/W 유화액의 점도와 평균액적크기를 설정하였다. CCD-RSM 최적화 분석결과 반응치인 O/W 유화액이 점도와 평균액적크기의 목표치를 동시에 부합하는 최적조건은 유화시간(12.7 min), 유화속도(5,551 rpm), HLB value (8.0), 계면활성제의 첨가량(5.7 wt.%)으로 산출되었으며, 이 조건에서의 CCD-RSM 예측결과는 점도(1,551 cP)와 평균액적크기(432 nm)이었다. 이 조건의 실제 실험 결과 오차율은 2.5% 이하로 나타나 O/W 유화액 제조과정에 CCD-RSM 최적화 분석을 적용할 경우 비교적높은 유의수준의 만족하는 결과를 얻을 수 있었다.
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