• 제목/요약/키워드: project balance

검색결과 162건 처리시간 0.053초

공법 기반 견적 시스템 개발 전략 (A Development Strategy for Construction method based Estimation System)

  • 김성아;강명구;윤수원;박영진;진상윤;최철호
    • 한국전산구조공학회:학술대회논문집
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    • 한국전산구조공학회 2007년도 정기 학술대회 논문집
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    • pp.341-345
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    • 2007
  • The objective of this paper is to introduce a project on developing construction method based estimation system. It means a 3D product model based estimation system to effectively and efficiently manage estimation process during the project life-cycle. This paper describes a outline and method for 3D based estimation system. Normally, it is not easy to take-off the quantity from 3D CAD model, because of all different depths of the quantity take off in each design development stage and nation. This study shows how to keep the balance of its depths in each design development stage such as schematic design, detail design, shop drawing, and so forth.

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태양광 발전기술의 개발 및 보급동향 (Trends of Photovoltaic Research, Development and Diffusion)

  • 송진수;윤경훈;유권종
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2000년도 하계학술대회 논문집 C
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    • pp.1506-1509
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    • 2000
  • The Korean National Photovoltaic Project was initiated in October 1989 to develop technologies for the generation of economically competitive electric power by photovoltaic systems. It consists of four stages through the year 2006 with technical goals and cost targets related with solar cells, balance of systems and system application. The objectives of the project are to utilize photovoltaic technology, to transfer developed technology to industries and end users by research activities and to diffuse photovoltaic systems by demonstration projects. This paper reviews long-term plan abd status of technology R&D, and markets of photovoltaics. Some activities designed to promote collaboration with foreign countries are also introduced.

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Trick or Treat? Equity Concerns in the Preliminary Feasibility Study of the Republic of Korea

  • LEE, JONGYEARN
    • KDI Journal of Economic Policy
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    • 제42권4호
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    • pp.91-116
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    • 2020
  • As a project appraisal tool, the preliminary feasibility study (PFS) has contributed to enhancing the efficiency of public investment decision-making in the Republic of Korea over the last two decades. To overcome the limitations of the efficiency-oriented cost-benefit analysis, the PFS accommodates equity concerns among regions, namely balanced regional development (BRD) analysis. This study attempts to gauge the contributions of BRD analysis to PFS results. Specifically, it addresses how effectively policy efforts to promote decision-making have been implemented in the PFS stage while also considering the balance between equity and efficiency in terms of the trade-off between them, the degree to which they influence the results, and whether the consideration of equity is in fact actually reflected in seriously underdeveloped regions as intended. The study finds that the PFS results over the last two decades have been largely in line with the background and policy objectives. Based on the findings of the study, needs for institutional improvement are suggested, including enhancements in the analysis of regional economic ripple effects and taking into account the psychological factors pertaining to the evaluators in the overall judgment.

MetaFluxNet: a program for metabolic flux analysis (MFA)

  • Yun, Hong-Soek;Lee, Dong-Yup;Lee, Sang-Yup;Park, Sunwon
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 2002년도 ICCAS
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    • pp.57.3-57
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    • 2002
  • 1. Introduction 2. General flux balance model 3. MetaFluxNet 3.1 Overview of MetaFluxNet 3.2 Project file format 3.3 Construction of metabolite reaction model 3.4 Metabolic flux analysis using linear programming 3.5 Visualization of MFA results 4. Conclusion and plan 5. Acknowledgement. References.

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실용적인 원전공학 교육을 위한 시스템즈 엔지니어 프로그램 (Systems Engineer Program for Practical Nuclear Power Plant Engineering Education)

  • 장중구;정재천
    • 시스템엔지니어링학술지
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    • 제11권2호
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    • pp.31-40
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    • 2015
  • KEPCO International Nuclear Graduate School (KINGS) is dedicated to nurturing leadership-level professionals in nuclear power plant (NPP) engineering. KINGS have designed curriculum based on two philosophies. First, we balance aspects of discipline engineering, specialty engineering, and management engineering in the framework of systems engineering. Second, KINGS have designed the curriculum so that students can learn and experience the know-what, know-how and know-why level knowledge of NPP engineering and management. The specialization programs are opened during the 2nd year for 3 trimesters and those are a process of learning through practical project courses. The objectives of the specialization programs are to help students to learn the NPP life cycle technologies in highly structured and systematic ways. The systems engineer program (SEP) is one of the specialization programs. A practical case of the SEP which was applied to the project course for the NPP electric power system design education will be elaborated in this paper.

제주도 지역의 각종 영향평가제도들의 출현 원인과 영향에 대한 연구 (The Study on the Cause and the Impact of the Development of a Decision Making Systems Like EIA in Cheju Island)

  • 정용;양만식;김용범
    • 환경영향평가
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    • 제6권1호
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    • pp.121-133
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    • 1997
  • EIA should be regarded as an aid to improve the decision making processes because it seeks public opinion and external knowledge in order to ensure the maximum degree of fairness and balance in the final decision as much as possible. According to the above benefits, various decision making systems containing EIA concepts were developed in the area of ground water, traffic, disaster or accident and environment in Cheju Island. But because the development of various decision making systems can be the cause of new impact, it was studied the cause and impact of their development. The major reasons for developing the various decision making system like EIA are the lack of the consideration for the impact of project when it is selected project fulfilling EIA and the increase of the effort for the improvement in the professional quality for one subject without the comprehensive assessment among the subject related to environmental impacts. And the development of the various decision making systems like EIA has caused the several impacts like cost elavoration, the relay of project period, etc. Therefore, after it is improved the problems of present EIA on the comprehensive assessment, the various decision making systems like EIA should be integrated in EIA decision making system.

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철도건설 투자우선순위에 관한 연구 (A Study on Criteria for investment Priority of Railway Project)

  • 박일하;박용걸;김시곤
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2008년도 추계학술대회 논문집
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    • pp.112-116
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    • 2008
  • Determining the investment priority of the railway project is essential to keep its object of railway investment. [National railway construction plan] provide 4 major evaluation indicators and their weighting range in determining the investment priority of railway construction. Which are investment efficiency, inter-regional balance of development, network effects, government supporting policy. However this present criteria has inconsistency in determining economical feasibility of the railway transportation when applying the same evaluation indicator, investment efficiency, with the road transportation. The railway transportation is superior to road transportation in terms of transportation capacity and distance, while offering less carbon emissions. In spite of the prominent position of the railway transportation, it can be failed to obtain its proper investment priority when being determined under economical feasibility based. Therefore, this study analyzed the inconsistency under present evaluation criteria and proposed new evaluation method for the investment priority of the railway construction using AHP(analytic hierarchy process), while differentiate from the road construction. This method is optimized for only determining the priority of the railway construction itself under object of railway investment respectively.

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복원사업 후 마을비보숲의 장기 식생 변화 - 완주군 두방 마을비보숲을 사례로 - (Long-term Vegetation Change of the Complementary Village Forest after Restoration Project - Centered on the Village Complementary Forest of Wanju Dubang Village -)

  • 박재철;두은
    • 농촌계획
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    • 제25권3호
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    • pp.129-139
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    • 2019
  • The purpose of this study is to monitor the long-term vegetation change of the village complementary forest after restoration. Based on the monitoring in 2010, six years after the restoration project in 2004, the monitoring of the complementary forest in Dubang village in 2019 after 9 years was conducted. This study identifies the change of species diversity and structure, growth, vegetation coverage, structural quality etc. and succession through long-term monitoring. For this, field survey was conducted in 2003 and 2010, 2019. The results demonstrate significant increase of species diversity and multi-layer structure and progress of natural succession. Overall, Part I is considered to be a quasi-natural complementary village forest, which has a natural balance between natural vegetation that have remained in nature for a long time and anthropogenic vegetation, revealing the coexistence of nature and humanity. It means ecological structure and function have improved. Part II should be restored to the lost part and adaptive management rather than excessive management should be carried out to leave natural succession.

기후변화에 따른 둑높임 저수지의 용수공급능력 평가 (Evaluating Water Supply Capacity of Embankment Raised Reservoir on Climate Change)

  • 이재남;노재경
    • 한국농공학회논문집
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    • 제57권4호
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    • pp.73-84
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    • 2015
  • An embankment raising project on 113 agricultural reservoirs in Korea was implemented in 2009 to increase water supply capacity for agricultural water and instream uses. This study evaluated the future water supply capacity of the Imgo reservoir at which the agricultural reservoir embankment raising project was completed, considering climate change scenarios. The height of the embankment of the reservoir was increased by 4.5 m, thereby increasing its total storage from 1,657.0 thousand to 3,179.5 thousand cubic meters. To simulate the reservoir water storage with respect to climate changes, two climate change scenarios, namely, RCP 4.5 and RCP 8.5 (in which greenhouse gas reduction policy was executed and not executed, respectively) were applied with bias correction for reflecting the climate characteristics of the target basin. The analysis result of the agricultural water supply capacity in the future, after the agricultural reservoir embankment raising project is implemented, revealed that the water supply reliability and the agricultural water supply increased, regardless of the climate change scenarios. By simulating the reservoir water storage considering the instream flow post completion of the embankment raising project, it was found that water shortage in the reservoir in the future is not likely to occur when it is supplied with an appropriate instream flow. The range of instream flow tends to decrease over time under RCP 8.5, in which the greenhouse gas reduction policy was not executed, and the restoration of reservoir storage was lower in this scenario than in RCP 4.5, in which greenhouse gas reduction policy was executed.

질환 중심 기공프로그램 개발 사전연구 : 파킨슨병 관리 프로그램을 중심으로 (Development of disease-specific qigong program for Parkinson's disease)

  • 이화진;이혜정;인창식;채윤병;백유상;신용철;이상재;박히준
    • Korean Journal of Acupuncture
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    • 제26권4호
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    • pp.77-88
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    • 2009
  • Background : Qigong is an exercise therapy based on the principles of Traditional East Asian Medicine. The exercises combine the practice of motion and breathing, both guided by mental imagery. Beneficial effects of qigong have been reported on a variety of complaints in chronically ill patients and on gait imbalance in the elderly. Parkinson's disease is a progressive neurodegenerative disorder that affects neurophysiological function, movement abilities, and quality of life. Objectives : We developed a qigong program based on the Traditional East Asian medical theory regarding the improvement of clinical symptoms of Parkinson's disease. Methods and Results : Our qigong program consists of three parts. The first one includes movements which stimulate the meridians that run from the toes to the top of the head. The second one is composed of breathing and qigong movements that create harmony and balance with the circulation of Qi and blood on the Meridians. The third is a stage of finger pressure therapy and massage from Daoyin medical qigong to maintain meridian stability. Conclusions : These qigong program would help relieve the clinical symptoms of Parkinson's disease patients.

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