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購買決定屬性에 따른 消費者 滿足 硏究 : 인터넷 쇼핑몰을 중심으로
柳在勳 배화여자대학 2004 培花論叢 Vol.23 No.-
This paper examines the relationship between purchasing decision attribute and consumer satisfaction in internet shopping mall. Basis of prior research, This study tested empirically effects on consumer satisfaction in portion to purchasing decision attribute. In the relation between the purchasing decision attribute and consumer satisfaction, consumer satisfaction in internet shopping mall was influences by purchasing decision attribute. Also all factor has resulted in showing wide significant between the purchasing decision attribute and consumer satisfaction. In the conclusion, study's implications treated.
이제훈, 서무홍, 한유희 한국레이저가공학회 2000 한국레이저가공학회지 Vol.3 No.1
A 4kW RS840 CO2 laser with a powder auto-feeding apparatus has been used to deposit multiple overlapping tracks of Ni-base superalloy on to low carbon steel. It was found that the surface roughness(turbulence) of an overlapped cladding layer decreased with the increase of the overlapping ratio in an oscillating manner. When the overlapping ratio had values of 0.62, the surface turbulence was lowest. Overlapping ratio offer significant potential for improvement of materials surface properties such as corrosion performance and wear resistance. This paper reports that the overlapping ratio shows best corrosion resistance. The tensile residual stresses generated at the higher overlapping ratio(>0.45) and the element concentration of Fe increased in the surface layer at the lower overlapping ratio(<0.45) may lead to worse corrosion resistance.
정재훈,박영필,유원희 연세대학교 산업기술연구소 1991 논문집 Vol.23 No.2
Component mode synthesis which is one of substructure synthesis methods is studied for the determination of vibration characteristics of plate problem. Comparisons are made in terms of accuracy and computational efficiency. As a result, computation time of component mode synthesis is much shorter than that of whole structure analysis. In lower modes natural frequencies obtained from component mode synthesis are almost equal to those obtained from whole structure analysis, but in higher the differences of results obtained from two methods are increased.
위그너 분포함수를 이용한 이중장벽 공명 투과다이오드의 전류-전압특성에 관한 연구
金裕承,金正勳,徐柾河,沈載勳 弘益大學校 科學技術硏究所 1996 科學技術硏究論文集 Vol.7 No.2
By means of the self consistent calculation of the related Poisson's equation and the Wigner distribution function, the quantum transport of electrons in a double barrier tunneling diode(DBRTD) has been studied. The computer simulation has been accomplished by assuming the contacts/terminals of a DBRTD are open with regard to the surrounding. The eigenvalues of the Liouville superoperator of the equation of motion were also calculated. The derived Ⅰ-Ⅴcharacteristic of a DBRTD shows a similar trend with the results obtained by the conventional tunneling models.
김춘일,이유훈,정재권 국립특수교육원 1995 연구보고서 Vol.- No.6
The School Based Curriculum(SBC) in the special schools and classrooms has been marked only three years in Korea since the revised curriculum of 1992. The SBC in special education has profound legal base of development and management in the special schools of nation-wide. However, the short and superficial experieces sometimes hang down dark shadows growing out from the problems and difficulties being hidden in the unfamiliar SBC. The purpose of the present study was to identify some problems and hindrance in the actual practices of developing and managing the SBC in special schools and classrooms. The 155 subject schools and classrooms were selected from nation-wide. Questionnaires devised by the researchers were distributed and collected to analyse the problems that teachers thought important in the curriculum practice. Some clear and general tendencies of teachers' understanding and awareness reflected in the responses to the questionnaires were processed in percentages and interpreted according to the analysing scales developed by the researchers. Some results of the analysis are showing the clear problems and difficulties that teachers aware important in the present and future development of the curriculum. Main findings of the study are as follows : (1) The SBC is listed as an important alternative in the current curriculum research since the 1980's. The SBC experiences in some advanced countries n education such as UK, USA, Canada, and Australia. The study shows positive way of practices for pioneering the curriculum in this country Korea, especially in the field of special education. (2) Innovation in the system of conducting the curriculum in terms of 'democratization of school curriculum' is found to be earnestly requested by the most of the special school teachers. (3) The actual practies of the curriculum in developing, managing, and evaluting show defects and weaknesses in various aspects owing to the minunderstanding of teachers and shortage of proper assistance of government. The Ministry of Education(MOE) has a role of designing the basic scheme of the curriculum, and the Local Authority of Education(LAE) plays its role of suggesting a specified guidelines for the actualizing of the MOE curriculum. With the technical assistance and financial supply of the MOE and LAE, the special school teachers would be able to develop and manage successfully the curriculum for the first time. (4) The management of curriculum evaluation was identified negative and unsuccessful in many ways. The shortage of scales and tools for curriculum evalution and lack of proper understanding in the curriculum evalution are analysed as an important hindrance in the school curriculum improvement. (5) Administration in curriculum is considered to be revised as a more systematic and efficient one. Systematic and continual research and exchanges between schools, teachers, and the professionals must be encouraged and enlarged for the profound and substantial progress in the school curriculum. In conclusion, the belief and understanding of the teachers in the SBC were found to be profound. The teachers strongly believe that they are no longer 'the object' in the school curriculum, but are 'the subject' from now on. Some findings iedntified through the present study should be understood not as the definitive, but as the stepstone for the bright start of it.