• Title/Summary/Keyword: purpose

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Hydro-electric Power Generation System of Multi-purpose Dams in Koresa - A Framework for Investment Justification and Economic Operation - (한국의 다목적댐 수력발전 체계 - 투자의 정당화와 경제적 운영 -)

  • 이승규;박용삼
    • Korean Management Science Review
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    • v.12 no.1
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    • pp.157-173
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    • 1995
  • Hydro-electric power generation from multi-purpose dams has been playing important roles in the electric power supply network in Korea. Although the total share of hydro power in national electricity supply now becomes very small, the peak-shaving and frequency control capability of hydro power helps the power company enormously in maintaining the quality of power. But since the company that builds and operates the multi-purpose dams in Korea has to sell all the electricity produced to the monopolistic utility, there have been various problems in justifying the investment, designing pricing mechanism, and controlling operations of the power plants. In addition, economic evaluation of the hydro power has been distorted by a variety of reasons and hence it has been very difficult to encourage effective development and utilization of national water resources. To make the problem worse, both parties are public companies with X-inefficiency problems. Thus, changing environment requires to reengineer the system that governs hydro power generation. We address the problems of Korean hydro-electric power generation system in four areas: the investment justification process, the operations decison right of the hydro power plants, the pricing of the purchased-power, and the negotiation of contract revision. Then we propose improvement directions of new hydro-electric power system in view of static and dynamic efficiency, X-inefficiency and equity.

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Trends in Nursing Research on Sexuality in Korea (국내 간호학에서 성(sexuality)에 관한 연구 경향)

  • Lee, Kyung-Hye;Kim, Sun-Hee;Lee, Sun-Hee
    • Women's Health Nursing
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    • v.14 no.2
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    • pp.83-92
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    • 2008
  • Purpose: This study aimed to analyze the trends in nursing research on sexuality in Korea and to provide guidance to the future research in sexual health. Method: Total 163 published articles in Korea from 2000 to 2007 year were reviewed using a structured analysis form which consists of the domains of nursing journal, research designs, research purpose, research subjects, and the key words. Result: Of those articles, 25.8% was published in J. of Korean Academy of Women Health Nursing and 13.5% in J. of Korean Academy of Community Health Nursing. In terms of the research design, quantitative research methods were commonly used in 88.4% of them which only 6.1% used qualitative methods. The nursing process on purpose were classified assessment(86.3%), nursing intervention(11.3%), and nursing evaluation(2.5%); Most of subjects were early adults(35.3%), adolescents(27.9%), and adults(25.6%); The most frequently reported key words were classified into socio-psychological domain(33.5%), cognitive domain(25.6%), clinical domain(12.6%). Conclusion: Research on sexuality in nursing have been continued. The major key words were founded in socio-psychological and cognitive domains. It is recommended that more various subjects, research methodology, and various key words be investigated.

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Development of Multi-body Data Conversion Program for Torque Converter Analysis (토크컨버터 해석을 위한 다물체 자료 변환 프로그램 개발)

  • Lee, Jae-Chul;Chun, Doo-Man;Ahn, Sung-Hoon;Yeo, Jun-Cheol;Jang, Jae-Duk
    • Transactions of the Korean Society of Automotive Engineers
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    • v.16 no.2
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    • pp.58-65
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    • 2008
  • The finite element programs have been developed for structure, collision, flow, dynamics, heat transfer, acoustics, electromagnetism, MEMS (Micro Electro Mechanical Systems), and etc. These programs can be classified as either "package" program or "single purpose" program. Single purpose programs usually have convenient and powerful functions, but these programs have limited expandability to different fields of analysis. Therefore, the method to converter the analysis results of single purpose program to other programs is needed. In the research, multi-body data conversion methods of 1) finite element model and 2) solid model were created to convert fluid analysis result of CFD-ACE+ to ANSYS data structure. Automatic boundary condition algorithms were developed for blade, and finite element model was compared with solid model. It is expected that, by sealess data transfer, the Multi-body Data Conversion Program could reduce the development period of torque converters.

Design and Implementation of a General-Purpose Document Repository System for the ebXML Based e-Biz Framework (ebXML기반 e-비즈니스 프레임워크를 위한 범용 문서저장 관리 시스템의 설계 및 구현)

  • Lim Cheol Su
    • Journal of Korea Multimedia Society
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    • v.8 no.1
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    • pp.128-136
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    • 2005
  • In this paper, we designed and implemented the general-purpose document repository manager for the ebXML-based e-business framework that support the rapid translation of various types of documents and provide the flexibility corresponding to the framework changes. Also, we automated the manually-processed e-business document translation process by designing the adaptor module for the interoperability of legacy systems. In the regards, our designed general purpose document manager makes it possible to integrate the existing e-commerce systems that are operated on the heterogeneous frameworks, and can be used on global e-business solution.

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Yangsaeng and Health Related Quality of Life (HRQOL) in Middle Aged Women (중년여성의 양생과 건강관련 삶의 질)

  • Kim, Ae-Kyung
    • Women's Health Nursing
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    • v.16 no.3
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    • pp.297-306
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    • 2010
  • Purpose: The purpose of this study was to investigate the relationship of Yangsaeng and HRQOL in middle aged women. Yangsaeng as a traditional health care regimen for the promotion of health and prevention of illness by means of specific principles and methods, which purpose was to improve longevity and healthy life. Methods: The subjects of this study were 200 middle aged women in Korea. Data were collected by using a self-reported questionnaire and analyzed through descriptive statistics, Pearson's correlation coefficient, t-test, ANOVA and multiple linear regression. Results: There was statistically significant difference in Yangsaeng according to age, stress and working hours. There were significant differences in HRQOL according to stress and working hours. The relationship between Yangsaeng and HRQOL had a significant positive correlation. Mind and diet Yangsaeng, christianity, and working hours were found to be significant predictors (24.6%) of HRQOL. Conclusion: To promote HRQOL of middle aged women, the nurse should focus on the factors identified in this study when she develop nursing intervention programs for health promotion.

An Analysis of the Farm Silo Supported by Ground (지반과 구조물 사이의 상호작용을 고려한 농업용 사이로의 해석에 관한 연구(IV) -제 4 보 관행설계법과의 비교)

  • 조진구;조현영
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.30 no.2
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    • pp.44-54
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    • 1988
  • This study was carried out to investigate the applicability of the conventional design method for ground supported circular cylindrical shell structures. For this purpose, the ensiled farm silo was adopted as a model structures. Herein, the conventional design method was based on the assumption that such structures are clamped at the bottom edges or the ground pressure is independent of the deflection at the surface. In the present paper, the applicability of above assumption was checked out by comparison with an exact method considering soil-structure interaction. Some results of numerical calculation show us ; When the ground is very hard, for example Winkler's constant k is larger than 100 kg / cm$^2$ / cm, or the bottom plate of structures has a infinitely stiffness, for example the bottom plate thickness is larger than 100 cm, the sectional forces, obtained from the conventional method at any wall of structures resting on an elastic foundation, can used for design purpose. Therefore, if the above condition is satisfied then the conventional assumptions can be justified for the design purpose. In this case, the assumption that such structures are fixed at the lower edges was more realistic than the assumption that the reaction pressure acting on structures is uniformly disributed since the accuracy of results of the analysis by the former assumption was higher than that obtained from the latter assumption. But the sectional forces in the bottom plate resting on ground directly could not be evaluate correctly by the conventional method.

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A Study on the Impact of Cultural Contact Service on Brand Equity

  • SHIN, Ok-Chul;PARK, Jin-Woo
    • Journal of Distribution Science
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    • v.18 no.6
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    • pp.15-24
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    • 2020
  • Purpose: The ultimate purpose of this research is to analyze the influence of direct service experience on brand equity components and continuance intention by focusing on cultural marketing at airport, as a huge market place. Design/methodology: This study examines how the cultural contact experience of an airport's cultural marketing activities affect the brand equity components, as well as how these factors affect the continuance intention. A questionnaire survey is conducted for airport users and a total of 313 copies of the questionnaire are analyzed using a structural equation. Results: The results demonstrate that cultural contact service has a positive effect on brand awareness, brand meaning, and perceived value, and all factors of brand equity components have a positive effect on continuance intention. In addition, MTE also has a significant effect on continuance intention. Conclusions/implications: The purpose of this study was to investigate the relationship between the cultural contact and brand attachment of tourists experiencing airport cultural marketing services on the composition factors of airport brand equity. The results of this study can be used not only as basic data to help establish a cultural marketing strategy at an airport, but also as to aid establishing and implementing a long-term marketing strategy for the sustainable growth of an airport.

A Research on the Purpose of Use and Selection Factor of Walking Trails (도보길 이용목적 및 선택요인 조사연구)

  • Byun, Kyeonghwa;Yoo, Changgeun
    • Journal of the Korean Institute of Rural Architecture
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    • v.20 no.3
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    • pp.1-9
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    • 2018
  • This research aimed to identify walking trails' purpose of its use and the factors that influence the selection. For this, a survey targeting the walking trail users was conducted in 2016 to question the research aim stated above. The mean number of walking trail usage in a month was 2.51 times and the duration of use ranged from one to ten hours, with the average of 2.5 hours. The main reason for the usage was to maintain physical health and the following was for mental relaxation, thus showing more than 90% of the people concerned with physical and mental health. Walking trails near the residences had the greatest percentage and trails that include mountains, rivers, seas and lakes were the following. Trails near historical locations or countryside showed a lower percentage. The choices showed relevance to the proximity as a standard of selection. The next highest percentage was the convenience of transportation. Additionally, people that access the trails three or more times were inclined to be influenced by the installation of exercising equipment. The aspect of facilities showed that the place for relaxation was a significant selection factor such as bathrooms for 20s to 30s and exercising equipments for people older than 50. To access the walking trails, people reach it by automobiles, public transport, walking and bicycles and out of these, automobiles had the highest percentage.

Consumers' needs and purchase intention of high functional sportswear according to sport participation motivations (스포츠 참여 동기에 따른 고기능성 스포츠웨어의 요구 및 구매의도)

  • Kim, Yongsook
    • Korean Journal of Human Ecology
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    • v.22 no.1
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    • pp.141-155
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    • 2013
  • The purpose of this study is to identify consumers' needs and purchase intention of high-functional sportswear according to sports participation motivations. Internet survey was done for data collection and the subjects were 300 consumers in their 20-39's who participated in sport activities at least once a week. Factors of sport participation motivations were ostentation, social interaction, self development, mental health, and physical health. Consumers were segmented into the motivation retard group, the multi-purpose pursuit group, the health pursuit group, and the extrinsic motivation pursuit group. And factors of consumers' needs for high-functional sportswear were practicality and comfort function, body protection and physical function, and skin protection and health function. The multi-purpose pursuit group showed strong needs for active and comfort, body protection and physical function, and skin protection and health function but the motivation retard group showed the lowest needs for high functional sportswear. Purchase experiences of high-functional sportswear, accomplishment, and duration period of sport activity affected positively on the purchase intention of high-functional sportswear.

A Study on the Improvement Method of Utilization of Multi-purpose Space in Elementary School in Busan (부산지역 초등학교 다목적공간의 이용실태와 활용성 개선방향에 관한 연구)

  • Park, Chun-Kwen;Yoo, Kil-Joon;Ha, Seong-Tae
    • Journal of the Korean Institute of Educational Facilities
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    • v.12 no.1
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    • pp.29-40
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    • 2005
  • The purpose of this study is to comprehend the utilization, the establishment and the claim of multipurpose space which was corresponded to the 7th National Curriculum, and to examine the use of multipurpose space. The subjects of this study are new or second amenable elementary schools. The conclusion of this study is as follow. 1) Teachers partly agree to the induction and the direction of the 7th National Curriculum, but they think that it is too early to carry it out and most of them think that it is better than old curriculum. 2) According to a report of contentment of multipurpose space, most of teachers are satisfied by multi- purpose space. The main factor responded by 59.8% of total respondents is to study variously. It means teachers highly evaluate the need of various system of studying. 3) The depth of a multipurpose space including the depth of a hallway is suitable 7.2m as 31.3% of respondents and 6.0m as 30.4%. 4) The main factor of dissatisfaction is noisy and ventilation because of the protection between the multipurpose spaces.