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이재익,최인경,송해범,공건오 大邱大學校 科學技術硏究所 2001 科學技術硏究 Vol.8 No.1
These studies were conducted to search the pure line of the Korean native goats. The examinations of morphological characteristics were 229 and 34 heads of female and male goat in Kyungbuk province and 85 and 21 heads of female and male goat in Yorkjy island. The examinations of body size were 192 and 10 heads of female and male goat in Kyungbuk province and 71 heads of female goat in Yorkjy island. The results of the examination were as follows 1. The blacks of coat color were 34.2% and 51.9% for goats in Kyungbuk province and Yorkjy island, respectively. 2. The wattles and polled were 15.2% and 1.5% for female goats in Kyungbuk province, respectively, but its were nothing in Yorkjy island and for male goats in both province. 3. The lengths of hair for female goats in Kyungbuk province were sinuly to those in Yorkjy island, but the lengths of hair for male goats in Yorkjy island were larger than those in lyungbuk province. 4. The lengths of horn for male and female goats in Kyungbuk province were larger than those in Yorkjy island. 5. The lengths of ear, tail and beard for male and female goats in Kyungbuk province were similar to those in Yorkjy island. 6. The supernumerary teats for female goats in Kyungbuk province were similar to those in Yorkjy island. 7. The body and wither heights of female goats were 54.1cm and 57.22cm in Kyungbuk province, and 47.17cm and 49.60cm in Yorkjy island, respectively. 8. The body lengths of female goats were 58.04cm and 57.18cm in Kyungbuk province and Yorkjy island, respectively. 9. The chest girths of female goats were 75.81cm and 70.71cm in Iyungbuk province and Yorkjy island, respectively, and the chest depths and widths of female goats were larger in Kyungbuk province than Yorkjy island. 10. The body weights of female goats were 32.06Kg and 25.53Kg in Kyungbuk province and Yorkjy island, respectively.
A형 합성 제올라이트를 이용한 건조제의 성형 제조에 관한 연구
이재익 건국대학교 1992 대학원 학술논문집 Vol.35 No.-
Natural zeolite has recently been focused as an alternative of classical silica gel for drying agent. Due to their impurities, however, it requires numerous complicate stages for their purification, thus making them characterize and commercialize difficult. Therefore, in addition to use them in dessicant alone, it also makes them apply to the chemical process difficult due to their inherent problems. In this research program, synthetic zeolite. A was used as an alternative of natural zeolite to overcome the problems of natural zeolite. Three types of zeolite A, Na-A, K-A and Ca-A were obtained by ion exchange and pellitized through the pellitizer with the helps of clay binders, kaolin and bentonite. The different chemical structures of kaolin and bentonite resulted in totally different adsorption curves for zelolite-embeded adsorbents. By the way, one of the most important influencing factors was proved to be a heat treatment; that is, calcinations temperature. It suggests that the calcnation temperature should be optimized depending on the type of clay binder. Finally, the adsorption rates were obtained and the adsorbents fabricated in our lab were proved to be superior to the commercial sample.
이재익 한국디자인문화학회 1998 한국디자인문화학회지 Vol.3 No.1
This study was carried out to propose the new symbol pattern & expression prototype of perceived environmental space based on multimedia network communication system for the future. The organization of this study can be briefly summarized as follows. First is an introductory chapter which describes research goal & objectives. The 2nd describes in the background & procedure of research subject and deals with the basic theory, important field on the multimedia network system. The 3rd deals with in detail, sign communication system & symbol communication process, and the visual aspects of environmental organization as the relations among its elements. The 4th deals with the symbol pattern & expression prototype of percevied environmental space and explain the meaning & communication media system with special example study. And the final gives the summary and conclusions of this study. It also deals with the proposal research criteria and conceptual model on this study subjects for the future.
발터 그로피우스(Walter Gropius)건축사상의 표출로 본 뎃사우 바우하우스건물에 관한 고찰
이재익 수원대학교 산업기술연구소 1996 산업기술연구소논문집 Vol.11 No.-
Walter Gropius(1883-1969) is one of the outstanding architects and tearchers of the 20th. century. He designed and realized many buildings in the time of the Modern Movement of the architectural history. The Bauhaus-Building in Dessau is the remarkable one of them, which was built in 1925/26. He also did his extensive activities in publishing, lecturing and teaching. Those had great influence on the modern architecture at that time. The objective of this paper is to compare his personal work, the Bauhaus-Building in Dessau, with his architectural ideas and to answer the following questions; 1) How was his ideas on the modern architecture expressed in reality? 2) which difference between theory and practice can be observed in the realizing process?