• The Journal of Korean Academic Society of Nursing Education
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• v.12 no.1
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• pp.95-103
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• 2006

Purpose: This is to find out the correlation between a families burden on a cerebrovascular accident patient and the demand for nursing home. Method: The data was established by using structured questionnaires for 102 nursing families of cerebrovascular accident patient at three university hospitals. Result: 1) The total burden was showed to be at 3.21, which was some what higher than average. Total average of demand for nursing home was at 3.30, which was higher than average. 2) This showed static correlations between the economic, social, physical dependent and psychological burden, and demand for nursing home. The result represents that the higher burden showed a significantly positive correlation to the higher demand for nursing home. Conclusion: If a systemic support of nursing home is prepared the differentiated nursing home matched perfectly on each burden, the burden on a family of the patient can be decreased effectively.

• Journal of Hydrogen and New Energy
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• v.31 no.3
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• pp.265-275
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• 2020

The hydrogen economy is still a niche market and a new system. If we believe in the optimism and the hope of human history of technological progress, the hydrogen economy will be a new paradigm to replace the carbon economy. The research question is what kind of leadership the government should show in order to revitalize the hydrogen economy. In response to the research question, this study highlights the governance leadership. The new economy must be newly recognized before they can find a solution. This research can be the first step in finding the way.

• Communications of Mathematical Education
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• v.13 no.2
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• pp.729-750
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• 2002

고대 이후로 수학은 끊임없이 발전되어 왔고, 지금도 발전 지향적인 변화가 이루어지고 있다. 수학을 발전적 관점에서 보는 것은 기존의 수학적 지식을 답습하여 그 기능을 익히는 것보다는 수학을 끊임없이 창조, 발전시키는 대상으로 생각하는 것이다. 수학에서 발전적 학습은 대상을 고정된 것으로 보지 않고, 하나의 결과가 얻어졌더라도 보다 더 나은 방법을 알아본다거나 또는 이를 바탕으로 보다 일반적인, 보다 새로운 것을 발견하려는 것이다. 이러한 발전적 수학학습은 증명과 반박의 과정, What if not, 관점의 변경, 부정에 의한 방법 등을 통해서 이루어 질 수 있다. 본 연구에서는 발전적인 수학학습에 대한 다양한 이론을 고찰하고 특히, 부정을 통한 발전적 학습 전개의 방법 및 과정에 대하여 분석함으로써 발전적 수학학습에 대한 방향을 탐색해 보고자 한다.

• 한국경영정보학회:학술대회논문집
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• 2008.06a
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• pp.957-962
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• 2008

We propose a model for the line expansion problem in the AMOLED (Active Matrix Organic Light Emitting Diodes) industry, which now faces market uncertainty: for example, changing customer needs, technological development path, etc. We focus on the optimal investment time and size of the AMOLED production lines. In particular, employed here is the ROV (Real Options Valuation) model to show how to capture the value of line expansion and to determine the optimal investment time. The ROV framework provides a systematic procedure to quantify an expected outcome of a flexible decision which is not possible in the frame of the traditional NPV (Net Present Value) approach. Furthermore, we also use Monte Carlo simulation to measure the uncertainty associated with the line expansion decision; Monte Carlo simulation estimates the volatility of a decision alternative. Lastly, we present a scenario planning to be conducted for what-if analysis of the ROV model.

• Journal of Educational Research in Mathematics
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• v.11 no.1
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• pp.193-206
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• 2001

This study was designed to develop investigation- and exploration- activities on Euclidean geometry with an exploratory type software, Geometer's Sketchpad, and to gain insights into the geometric reasoning abilities of college students working with the software. A package of Euclidean geometric activities with GSP was developed and four college students worked on the several activities with GSP and their geometric reasoning process were analyzed. Results indicated that GSP helped students solve problems in the several ways: to make conjectures and discover theorems by providing precise construction and measurement; to discover their proofs by providing the visual images and its manipulation; and to make students easily apply "what-if"strategies and expand and deepen their activities. Students' geometric reasoning was highly depended on analytic methods and their abilities with synthetic methods were shown very limited.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2007.11a
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• pp.97-100
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• 2007

This study deals with the sound insulation performance of the damping sheet, which is widely used in a train. The wall of train is assumed to be a plate made of steel and two damping sheets. In case of damping sheet only, the sound transmission loss follows the mass law. If a steel plate is attached to damping sheet, the transmission loss is found to be higher than single of only steel plate, as we can anticipated, about $3{\sim}5$ dB. This is very well known consequence that is because the density of area increases. However, the increase of the transmission loss is not higher than what we can expect by the mass law. That's because the steel is perfectly blocked from the transmission of the air ; There is no defect in that material.

• Journal of Korea Technology Innovation Society
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• v.6 no.1
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• pp.20-40
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• 2003

Many studies have regarded an information infrastructure as one of the crucial factors for national or regional innovation in the information society, but few studies have empirically tested the role and the effects of it. Also, the information society have been studied to what extent, but information space structure and the reorganization for the resource of the material and the labour have not been considered. Therefore, this study is examining the relation between the linkage structure and the information change in the manufacturing sector. And for the empirical analyses, regional labour data for 16 Metropolitan Areas(Si) and Provinces(Do) in 1991-1996 are used. An analytical model and hypotheses are proposed for empirical testing. The main finding is that if inter-regional wages condition is identical, inter-regional labour flow has positive correlations with regional information level.

• Korean Journal of English Language and Linguistics
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• v.3 no.2
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• pp.255-280
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• 2003

The present paper will argue what can be considered to be principled elements of the initial state S/sub 0/ of the Faculty of Language, which are called the Interface Condition (IC), and how far we can take the strongest minimalist thesis (SMT), which aims to offer principled explanation of language in terms of IC and the principle of efficient computation, to linguistic analysis. We will discuss implications of label-free phrase structures, required by the strong version of the Inclusiveness Condition, and possibilities of crash-free syntax, required by the condition of efficient computation. I will point out problems of Chomsky's assumption that an externally Merged expletive there is a head, which, as a probe, undergoes agreement with the goal T. I will present several advantages we obtain if we maintain A and A' distinction, and assume that wh-movement to the outer [SPEC, υ] is an A'-movement like wh-movement to [SPEC, C].

• Journal of the Korean Society for Library and Information Science
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• v.38 no.3
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• pp.159-175
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• 2004

The purposes of this research are to find out why the Korean librarianship has not been fully recognized as a profession and how its recognition can be improved. This research also tries to investigate what the librarians are actually doing at libraries and if their works reflect the criteria of professional works. The research was done through the questionnaires sent to the graduates of the Department of Library Science, Daegu Catholic University working at various types of libraries. Based on the results of the survey, some efforts to improve the professionalism of librarianship are suggested.

• Journal of the Korea Fashion and Costume Design Association
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• v.3 no.1
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• pp.77-91
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• 2001

Remembering a meaning of fashion started in the early 20C, Paul Poiret is one of the most important designer. If so, what does his achievements and assessment his costume design have to be？ That is the spirit of his design. Through the creation of the new style which is totally different from a period before, introduction of the vivid color, the new line and the enthusiasm of the fashion business, he showed the roll and the possibility of the modern designer. In Poiret's women's costume, harmonious beauty of women could be discovered in beautiful color which was not used in the 19th and elegance line. Furthermore, in the creation of the color and style, he got a strong influence by the art of early 20C's Europe. This was an opportunity that todays fashion has treated as a part of the or her art, and many modern designers are contacting with the art. The excellent ability in the fashion business has the composite as total fashion. Fashion business including perfumes, cosmetics furnitures, accessories is a model for most designers who follows him.