• Title/Summary/Keyword: Covering Problems

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Issues of Residential Area Management in Korean Natinal Parks (국립공원 취락지구 관리 개선방안 연구)

  • 안동만;김명수;이재영;오승봉;윤여범
    • Journal of the Korean Institute of Landscape Architecture
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    • v.24 no.3
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    • pp.57-67
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    • 1996
  • More than 130,000 residents are dwelling in 550 villages or residential areas covering 100K$m^2$ in the twenty national parks of Korea. Building new houses, additions, reconstruction, and certain kinds of land uses are prohibited in the residential areas of the national parks. Residents and park officials were interviewed and surveyed to discover problems and to suggest new management policies. Two of the mountain region national parks were studied, and the results are : First, it is recommended to amend the National Parks Act in order to list explicitly those facilities allowed in residential areas. Also the Act should enalble residential area management planning. The Residential area survey period should be shortened to 5 years instead local governments and the National Parks Authority offices. It is recommended that the NPA offices take over this responsibility completely. Thirds, some residential areas are better off to be excluded from the parks and the Boundaries of many residential areas are inappropriate and need to be adjusted. Fourth, as the number of visitors increase rapidly, the residential areas serve as tourist centers. The "Ecotourism" concept is to be introduced so that the residents can take part in ecotourism promotion. Fifth, the residents should be and well informed of residential area management policies and regulations.gulations.

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Design of a GIS-Based Distribution System with Service Consideration (서비스수준을 고려한 GIS기반의 차량 운송시스템)

  • 황흥석;조규성
    • Korean Management Science Review
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    • v.18 no.2
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    • pp.125-134
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    • 2001
  • This paper is concerned with the development of a GIS-based distribution system with service consideration. The proposed model could be used for a wide range of logistics applications in planning, engineering and operational purpose for logistics system. This research addresses the formulation of those complex prob1ems of two-echelon logistics system to plan the incorporating supply center locations and distribution problems based on GIS. We propose an integrated logistics model for determining the optimal patterns of supply centers and inventory allocations (customers) with a three-step sequential approach. 1) First step, Developing GIS-distance model and stochastic set-covering program to determine Optimel pattern of supply center location. 2) Second step, Optimal sector-clustering to support customers. 3) Third step, Optimal vehicle rouse scheduling based on GIS, GIS-VRP In this research we developed GUI-tree program, the GIS-VRP provide the vehicle to users and freight information in real time. We applied a set of sample examples to this model and demonstrated samp1e results. It has been found that the proposed model is potentially efficient and useful in solving multi-depot problem through examples. However the proposed model can provide logistics decision makers to get the best supply schedule.

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Dyeability of Low-melting Hybrid Polyester at Low Temperature (저융점 폴리에스테르 복합사의 저온 염색성)

  • Hwang, Ji-Hyun;Kim, Chang-Nam;Ma, Jin-Suk;Oh, Hae-Sun;Yoon, Nam-Sik
    • Textile Coloration and Finishing
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    • v.24 no.2
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    • pp.113-120
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    • 2012
  • Jacquard floor covering could be prepared from low-melting/regular sheath-core hybrid polyester, where the fiber is dyed in yarn state. With regard that the expected high shrinkage of the hybrid polyester in water makes problems in yarn dyeing, low-temperature dyeing properties of the hybrid polyester were studied. The rate of shrinkage of low-melting hybrid polyester exceeds 9% in hot water above $90^{\circ}C$, at such condition, cheese yarn dyeing is very difficult. Although disperse dyes exhaust in a relatively high speed on low-melting hybrid polyester, diffusion of these dyes to the core regular polyester was extremely slow under $90^{\circ}C$. Foron Blue E-BL 150, an anthraquinone E-type disperse dye, showed appreciable diffusion after 48hrs dyeing at $90^{\circ}C$. The fastness to rubbing and drycleaning were improved by one grade after reduction cleaning.

Case Study on the Discrepancies of Bill of Lading under UCP 600 (UCP 600 이후 선화증권 하자관련 분쟁사례)

  • Seo, Jung-Doo
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.45
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    • pp.111-136
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    • 2010
  • Bill of lading means the transport document ("marine", "ocean" or "port-to-port" or similar), however named, covering sea shipment only. Data in a bill of lading, when read in context with the credit, the document itself and international standard banking practice, need not be identical to, but must not conflict with, data in that document, any other stipulated document or the credit, according to UCP 600 and ISBP. This article has provided the general guideline of the discrepancies on the basis of UCP 600, ISBP 681 and the ICC Banking Commission Opinions, for the solution of the unpaid problems of the credit transactions. I have studied especially the ICC Banking Commission Opinions and the DOCDEX Decisions on the bill of lading after UCP 600, the international standard banking practice (ISBP 681), and the recent Korean cases. As such, this article would fill a need gap in the market between the general principles in the UCP provisions and the daily job of the practitioner. The credit practitioners are suggested to this resulting guidance whenever doubts arise as to how to check the credit documents in daily practice.

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Applications and issues of the Learning Cycle to medical education (의학교육에의 교육순환모델(Learning Cycle)의 적용과 쟁점)

  • Kim, Bo-Hyun;Kim, Sang-Hyun
    • Korean Medical Education Review
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    • v.10 no.2
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    • pp.19-24
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    • 2008
  • Purpose: The 'learning cycle' proposed by Guilbert in 1981 has been accredited as an effective and useful model for curriculum design. Three components of learning cycle, learning objective, instructional method, and assessment are connected organically and form basic structure of curriculum. In this study, we intend to analyze how the learning cycle and its three components are applied to present medical curriculum and examine the points at issue of the learning cycle in medical education. Also, we try to identify the educational significance of the leaning cycle in medical education. Results: First, concerning the learning objective, it was identified that impractical and abstract expressions are major controversial points. Also, there is a need to make learning objectives covering entire medical curriculum. Second, because of various structural problems, it is hard to practice new and various instructional methods. Third, even though there is a growing need for medical curriculum to develop and utilize more various and detailed assessment and evaluation, it was revealed that only are standardized and traditional assessments mainly used. Conclusion: Synthetically, we have some suggestions as follows. First, it is necessary to specify and actualize the learning objectives. Also, instructional methods and assessments should be diversified. And finally, there is a need to build organic and delicate medical curriculum by applying the learning cycle to medical education more actively.

Some Comments on Revision of Memorandum of Understanding on Port State Control in Asia-Pacific Region and Actualities of Korean PSC Regime (아태지역항만국통제에 관한 양해각서의 개정과 비판)

  • 강동수
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.7 no.3
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    • pp.93-106
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    • 2001
  • Whether a ship is sub-standard or not shall be finally decided by the minimum standards laid down in international conventions or national standards having the same effects. The flag State is primarily responsible for implementing these standards as far as its own ships are concerned. And the port State shall, in the exercise of its rights under international law, take appropriate measures (including detention of ships identified as sub-standard), which are regarded as port State's supplementary role aiming at implementing these standards. The international standards are implemented by the regional co-operation in the form of the MOU(Memorandum of Understanding) on Port State Control in the Asia-Pacific Region on the ground that the PSC enforcement of only one country does not enable the eradication of sub-standard ships. Recently, EQUASIS which is an international database covering the whole world fleet change the regionalism of PSC into the globalization of PSC. However, there are many problems in Tokyo MOV and Korean PSC regime. In order to ensure the implementation of the standards laid down in international conventions and Tokyo MOU, the Korean and other country in Asia-Pacific shall settle the alienation from the actuality of the law, namely the problem of maritime administrative structure of non unifying PSC affairs.

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Education of Power Electronics in Japan

  • Matsui, Mikihiko;Ueda, Akiteru;Oguch, Kuniomi
    • Journal of Power Electronics
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    • v.2 no.4
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    • pp.268-277
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    • 2002
  • Power electronics is an interdisciplinary area that is interstitial to all of the major disciplines of electrical engineering including power, electronics and control. Today, the covering field of power electronics has more widely spread out with the help of ever evolving microelectronics and computer science. Whereas, in Japan the tendency is becoming remarkable nowadays that science, especially "mathematics" and "hardware work", are falling into disfavor with the young people. For these reasons, it has become a very important problem to find out "what are the truest essentials of power electronics\ulcorner" and "How to give students incentives to learn power electronics\ulcorner " from an educational point of view In under-graduate and graduate courses in universities. On the other hand, the power electronics engineers in companies are always required to comply with the ever changing trend of global and open market. However, it takes long time to cultivate their skills. Against the background, "The Cooperative Research Committee on Education of Power Electronics" was established in the IEEJ Industry Applications Society during 2000-2001. The present status of the power electronics education in Japan is surveyed in this paper, and some problems with remedy are pointed out based on the discussions performed in the committee.sed on the discussions performed in the committee.

Challenges for the realization of carbon neutrality and air pollution improvement in major Northeast Asian countries: The importance of transitioning to eco-friendly EV industry and the necessity of developing lightweight materials

  • Sung-Hyung Lee;Hitoshi Yashiro;Song-Zhu Kure-Chu
    • Journal of the Korean institute of surface engineering
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    • v.56 no.1
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    • pp.12-39
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    • 2023
  • Diseases caused by air pollution and abnormal climate are occurring worldwide due to global warming. Accordingly, the international community has established a strategy to respond to climate change, and major countries have shifted their economic policies to eco-friendly industries. In this study, we investigate the current status of the renewable energy industry and that of responses to carbon neutrality and PM2.5 (air pollution) in the three major Northeast Asian countries of Japan, Korea, and China, covering changes in the corporate perceptions of Environment, Social, Governance and RE100. In more detail, the three major Northeast Asian countries, referred to as the climate villains in the international community, explain the importance of successful entry into the electric vehicles (EV) industry for a rapid transition to an eco-friendly industry. Moreover, we study the application of lightweight materials for vehicles to improve mileage in the EV industry and technical problems to be solved in the future.

Mitochondria in reproduction

  • Min-Hee Kang;Yu Jin Kim;Jae Ho Lee
    • Clinical and Experimental Reproductive Medicine
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    • v.50 no.1
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    • pp.1-11
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    • 2023
  • In reproduction, mitochondria produce bioenergy, help to synthesize biomolecules, and support the ovaries, oogenesis, and preimplantation embryos, thereby facilitating healthy live births. However, the regulatory mechanism of mitochondria in oocytes and embryos during oogenesis and embryo development has not been clearly elucidated. The functional activity of mitochondria is crucial for determining the quality of oocytes and embryos; therefore, the underlying mechanism must be better understood. In this review, we summarize the specific role of mitochondria in reproduction in oocytes and embryos. We also briefly discuss the recovery of mitochondrial function in gametes and zygotes. First, we introduce the general characteristics of mitochondria in cells, including their roles in adenosine triphosphate and reactive oxygen species production, calcium homeostasis, and programmed cell death. Second, we present the unique characteristics of mitochondria in female reproduction, covering the bottleneck theory, mitochondrial shape, and mitochondrial metabolic pathways during oogenesis and preimplantation embryo development. Mitochondrial dysfunction is associated with ovarian aging, a diminished ovarian reserve, a poor ovarian response, and several reproduction problems in gametes and zygotes, such as aneuploidy and genetic disorders. Finally, we briefly describe which factors are involved in mitochondrial dysfunction and how mitochondrial function can be recovered in reproduction. We hope to provide a new viewpoint regarding factors that can overcome mitochondrial dysfunction in the field of reproductive medicine.

Introduction to Multiple Income Protection System in Korea (인구고령화에 대비한 노령소득보장체계의 재편 방안)

  • 김용하
    • Korea journal of population studies
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    • v.24 no.1
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    • pp.149-182
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    • 2001
  • Due to the sustained increase in lifts expectancy, the number and proportion of the aged population has substantially increased, the proportion of the total population aged 65 and over was 7.1% in 2000 and 14.3% in 2022. But All public pension schemes in Korea, including the National Pension scheme, civil servants pension scheme, private school teachers pension scheme and the military pension scheme, are facing valving degree of financial problems at present because of their weak and unstable financial bases. with the result that some of them have recorded deficits for some time and the others are expected to run deficits in the near future. This crisis in financial sustainability in public pension schemes is attributable to the structural weakness of the schemes which can be characterized as high benefits, low contribution. Therefore, this article focuses on alternative of public pension schemes reform in Korea. The results is as follows. First, a basic pension is proposed to be newly established and the earnings related portion of National Pension Scheme will be as national pension. Secondly, the Basic Pension is a universal basic pension covering all nationals over 18 years and older, thereby achieving \"one pension for everybody\" Thirdly, National Pension will be operated as an earnings related pension covering only those participants with assessed income. Fourth1y, the current participants of public occupational pensions will also join the Basic Pension as well as the public occupational pensions whose scope of works will be reduced. And finally, The conversion of Retirement Allocation Scheme into a corporate pension should be left to the discretion of the company concerned.

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