• 한국정보기술응용학회:학술대회논문집
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• 한국정보기술응용학회 2005년도 6th 2005 International Conference on Computers, Communications and System
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• pp.369-373
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• 2005

Virtual Communities are many and varied have been around for a number of years now. Cyworld has all the makings of a successful website, with its unique and profitable business model. Our purpose in studying Cyworld is two fold ; we want to know the motivations people have for using the service and why they are willing to pay to use it. This study is based on motivation theory and flow theory to enhance our understanding of Cyworld user's behavior.

• 영어어문교육
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• 제16권4호
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• pp.291-320
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• 2010

The Bible has been and still is one of the most influential books ever published. The English Bible has a great impact on English language, literature, and culture. Therefore, knowledge of the Bible is essential in learning English language, its literature, culture and tradition. Biblical allusions are found in great literature and the daily newspapers as well. Rock musicians, screenwriters, television producers, and advertisers use the Bible as a source. Politicians use the words and accounts of the Bible to frame their debates. The Bible has continued to be philosophically, ethically, religiously, and politically influential in Western, Eastern, now World cultures. Therefore, not to know it means not to understand a great portion of world culture. This study examines the influence of the first book of the Bible, Genesis, in English language, literature, and culture. Furthermore, this study suggests why we should incorporate the English Bible in English education.

• 한국컴퓨터정보학회논문지
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• 제22권8호
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• pp.85-91
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• 2017

Although various music composition programs for PCs have become commonplace, the reasons why people think it is hard to make music are the lack of experience with musical instruments, the lack of knowledge of music or composition, and the fear of learning MIDI software. In this paper, we propose an effective method to solve this problem by using plain text based method which makes it easy for the general people who do not know MIDI, have little experience of musical instruments, and cannot even read music to make their own music. As a result, many people who like music but have not been able to produce their own music may produce and distribute music, and collaborate with others to produce better quality music.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2000년도 춘계학술대회논문집
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• pp.1615-1620
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• 2000

The extensive increase of the rotating speed of HDD (hard disk drive) has improved the performance of HDD. One of drawbacks, however, is that it increase noise level. For the systematic noise control of HDD, it is important to know the way in which each source of HDD contributes to resulting noise. A conventional method for contribution analysis by using statistical information, however, is not proper for HDD. This paper reviews the conventional method, and explains the reason why the method is not proper for HDD, even though it is possible to find the number of independent sources by using statistical information. This paper also shows an experimental result for the identification of the number of independent sources of HDD.

• 무역상무연구
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• 제13권
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• pp.215-233
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• 2000

We know there are tremendous increasing of electronic commerce transaction but don't have efficient method to cover the risk of it. Even though the risk why we make a deal by electronic commerce. The reason, I think, is its conveniences of little cost and by no means of papers or tele-communications. When the valid contracts are achieved you may have some problems because of different legal systems of the world. If the contractual quarrels break it is very difficult to solve it. So it is important to choose the governing law to avoid troubles when you make the contract on internet electronic commerce. The purpose of this study is to review the general principles of contract of internet electronic commerce.

• 디지털산업정보학회논문지
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• 제8권4호
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• pp.19-24
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• 2012

Recently, universities have difficulties in operating the normal curriculum because fresher's basic academic ability is declined. It causes campus misfits so managing students become a rising issue. The education system that focuses only on college entrance exam is one of the reasons why this phenomenon occurred. So, several tries are enacted at university to improve this problem. One of the solutions is enforcing the activity with self-directed Learning Community students to know learning level themselves and execute systematic studying habit is essential for improving this problem. This activity can help students understanding and having interest in class and be motivated to study. But it had burdened tutors with submitting activity report in written form. In this paper, we suggest the Mobile Based Activity Report Submission System which can be the solution of the problem that the Self-directed Learning Community System has. This system reduces the emotional burden to write the reports and manages them efficiently.

• 디지털산업정보학회논문지
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• 제8권4호
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• pp.35-41
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• 2012

Recently, universities have difficulties in operating the normal curriculum because fresher's basic academic ability is declined. It causes campus misfits so managing students is also not an easy matter. The education system that focuses only on college entrance exams is one of the reasons why this phenomenon occurred. Activity with self-directed Learning Community to know learning level themselves and execute systematic studying habit is essential for improving this problem. This activity can help students understanding and having interest in class and be motivated to study. But it had burdened tutors with submitting activity report in written form. In this paper, we suggest the Mobile Based Activity Report Submission System which can be the solution of the problem that the Self-directed Learning Community System has. This system reduces the emotional burden to write the reports and manages them efficiently.

• 대한안전경영과학회지
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• 제17권4호
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• pp.153-160
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• 2015

Recent News patrons of incidents can be called sinkhole that occurred one after another (Sink Hole). Due to this anytime, anywhere I do not know how the land is turned off worry and anxiety is the reason why you can never be dismissed as exaggerated. As we have seen today through the video, the vehicle was traveling on a road or pedestrian who was walking down the street they look out of the basement of a sudden they still come to mind vividly. Here, examples and corresponding measures to prevent the sinkhole off the ground, including the causes and impact on society because of this that occurred, and policy measures and abroad are evaluated with respect to what it is.

• Journal of Plant Biology
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• 제11권4호
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• pp.21-29
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• 1968

It may be fully known that Korea is the main producing country of pine tree form the pan-Asian viewpoint of the geographical distribution of the pine tree. Through the study on the reason why the pine tree became a tree of the maximum cover degree in Korea and the observation of natural preservation status of all sorts of trees in the DMZ area for nearly 20 years after the Korean Armistice, it has come to know that almost all of the pine tree were banished. This phenomenon has been resulted by the ecological characteristics of the pine tree itself which has no sprouting power at all, war disasters, deforestation and incendiary fire that have been steadily occurred until now since the time of Armistice.

• 한국자동차공학회논문집
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• 제23권1호
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• pp.41-48
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• 2015

In the automotive industry, it is required to reduce weight of the car and improve fuel efficiency. Competitive pricing is also a very important issue. That's why application of welded steel tube is increasing in order to produce a vehicle with a competitive price. Also, hydroforming technology is asking more and more for thinner tubing to realize to a lighter vehicle design. Steel tube is produced through a multi-stage process called roll forming. In that case, bucking and work hardening should be considered key forming technology is to prevent buckling and minimize work hardening during steel tubing for hydroforming To prevent buckling, it is required to optimize forming process in order to minimize stretching in edge sections and hold tightly cross-section during welding. And to minimize work hardening, it is needed to know the proper process to avoid reforming.