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吳正壽,趙榮煥 동국대학교 대학원 1977 大學院硏究論集-東國大學校 大學院 Vol.7 No.-
A study on the Quality of "Doojoong" Tea to develop abeverage indigenous to Korea' leaves of Doojoong tree (Eucommia ulmoides) were investigated for their chemical composition, extraction conditions and processing methods. It was concluded that Doojoong-tea from the leaves posses acceptable qualities as a favorite beverage.
오정수 남서울대학교 경영연구센타 1999 경영연구 Vol.1 No.-
Abstract Today's, because the rapid development of electronic and computer technogies has made factory automation possible, many manufacturers can produce many brands-few products and high quality products. As conventional cost accounting system was designed under the labor-condensed few brands- many products system after the industrial Revolution, indirect. manufacturing costs are allocated on the basis of direct labor costs or labor hours and it is the accounting system focused for financial accounting. The relevance for decision making on it lost long ago. Under the Just-in-Time Production System and Flexible Manufacturing System, as enormous investment and costs are needed and direct labor costs is relatively small, the basis of allocation of indirect costs should be changed to get correct cost of product. It is essential for pricing policy, management performance, measurement of product ability of revenue. Because Activity-Based Cost System(ABCS) is the new cost accounting system which indirect costs are allocated on the basis of activities used, the problems of conventional cost. accounting SYSTEM can be solved and unnecessary activities can be cut down. Incase the new system is introduced in the manufacturing companies, correct cost drivers should be developed, analysed and chosen, and the analysis and comparison of cost-benefit of it should be made before the new system is adopted.
오정수,정윤수 동국대학교 대학원 1974 大學院硏究論集-東國大學校 大學院 Vol.4 No.-
The physical properties and chemical components of Italian poplar (Populus euramericana I-476) was Tesedtor making paper pulp. The pulp made by the ground wood pulping method was beaten and made into hand ―sheets, and then their physical characteristics such as basic weight, breaking, length, burst, factor and tear factor were Tested. The conculsions obtained were; 1. Specific gravity of poplar wood was about 0.3 according-to TAPPI Standard method, and Ti seems to a great disadvantage that wood consumption per-unit production of pulp was very high. 2. Poplar pulp had more ash. α-cellose, and pentosan contents them other hardwood pulps. 3. Brightness of poplar pulp was better than other hardwood pulps. 4. Poplar are suitable for the raw material of paper pulp.