• Title/Summary/Keyword: Reduction Reorganization

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Theoretical Studies on Dicyanoanthracenes as Organic Semiconductor Materials: Reorganization Energy

  • Park, Young-Hee;Kim, Yun-Hi;Kwon, Soon-Ki;Koo, In-Sun;Yang, Ki-Yull
    • Bulletin of the Korean Chemical Society
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    • v.31 no.6
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    • pp.1649-1656
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    • 2010
  • Internal reorganization energy due to the structural relaxation in hole or electron hopping mechanism is one of the measurements of key indices in designing an organic thin film transistor (OTFT) for flexible display devices. In this study, the reorganization energies of dicyanoanthracenes for the hole and electron transfer were estimated by adiabatic potential energy surface and normal mode analysis method in order to examine the effect on the energies for the positional variation of the cyano substituents in the anthracene as a protocol of acenes to design an organic field effect transistor. The reorganization energy for the hole transfer was reduced considerably upon cyanation of anthracene, especially at the 9,10-positions of anthracene, and the origin of the reduction was interpreted in terms of understanding the coupling of vibrational modes to the hole transfer.

2-Deoxy-D-glucose Regulates Dedifferentiation but not Cyclooxygenase-2 Expression through Reorganization of Actin Cytoskeletal Architecture in Rabbit Articular Chondrocytes

  • Yu, Seon-Mi;Kim, Song-Ja
    • Biomedical Science Letters
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    • v.15 no.2
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    • pp.113-118
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    • 2009
  • Actin cytoskeletal architecture is believed to be a crucially important modulator of chondrocyte phenotype. 2DG(2-Dexoy-D-glucose) induces reorganization of actin cytoskeletal architecture in chondrocytes. In this study, we have investigated the effects of 2DG on dedifferentiation and inflammation via reorganization of cytoskeletal architecture in rabbit articular chondrocytes, with a focus on p38 kinase pathway. Treatment of 2DG alone reduced type II collagen and COX-2 expression in chondrocytes. But, 2DG reduced type II collagen was recovered by CD, disruptor of actin cytoskeletal architecture, whereas did not affect on COX-2 expression and production of $PGE_2$ compared with 2DG alone treated cells. Treatment of 2DG with JAS, inducer of cytoskeletal architecture polymerization, accelerated reduction of type II collagen expression and synthesis of proteoglycan but did not affect on COX-2 expression and production of $PGE_2$. Also, 2DG stimulated activation of p38 kinase. This result showed that 2DG regulates type II collagen but not cyclooxygenase-2 expression through reorganization of cytoskeletal architecture via p38 kinase pathway in rabbit articular chondrocytes.

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Present Status and Direction of Improvements in Fishing Vessels Buyback Program in Korea (우리나라 어선감척사업 현황과 개선방향)

  • Lee, Won-Il;Heu, Chul-Hang
    • The Journal of Fisheries Business Administration
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    • v.49 no.4
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    • pp.69-81
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    • 2018
  • The fishing vessel buyback program, that is, the project of fishing vessel reduction is a complex challenge that needs to take into consideration for both fishing resource protection and industrial restructuring. By the way, the fishing vessel buyback program in Korea is still poorly fruitful and there are few applications for the project in the country. For example, the buyback program of this nation has some problems like uncertainly set goals, conflicts among targets, no flexibility in the program implementation, low participation in the project and lack in follow-up actions. To solve these problems, this study offers the following alternatives. First, it is setting up detailed targets for fishing vessel buyback. Those targets should be what can be actually driven under policy support, such as reduction in illegal fishing, decrease in an exact number of fishing vessels and decline in fishing capacity rather than what seem to be comprehensive such as protection of coastal or offshore fishery and industrial restructuring. Second, it is taking measures for the livelihood of those who would face disadvantages due to fishing vessel reduction. Those measures providing or supporting the re-education and re-employment of fishery workers and building up systems that help the workers transfer fishing to another job. Third, it is adopting the governance system that overcomes lacks in communications between the fishing vessel buyback program and improves the performance effectiveness of that program. Here, governance means that businesses and authorities concerned in the program interact and cooperate with one another in making and implementing policies related to the project of fishing vessel reduction and assessing the results of that project. Fourth, it is taking actions for fishery reorganization after the fishing vessel buyback program. Factors that can be considered as those actions include supporting fishery workers' cost of fishing vessel reduction, decreasing and modernizing fishing fleets and improving the quality of fishing equipment. In conclusion, the fishing vessel buyback program should be prepared with comprehensive actions or measures that can cope well with a variety of problems that may be arisen from it while keeping itself on the track of its original goals.

The Study on the Reorganization of the Large Purse Seine Fisheries in Korea (대형선망어업의 생산력 재편과 경영 개선 과제)

  • KIM, Dae-Young
    • Journal of Fisheries and Marine Sciences Education
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    • v.21 no.3
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    • pp.373-389
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    • 2009
  • The aims of this study are to examine urgent problems for reorganization into future-proof large purse seine fisheries in order to positively cope with rapidly changing domestic and foreign fisheries circumstances. First, this paper provides current situations of the large purse seine fisheries. The current situations of it are composed of fisheries influence such as vessel number, vessel power, and fisher number, use of resource and fishing places, and changes in products and sales of species caught by the large purse seine. Secondly, this paper reviews current problems of the large purse seine fisheries including cost reduction and increase of value added. Thirdly, this paper suggests basic development direction and countermeasures for strengthening competitiveness of the large purse seine fisheries. In conclusion, urgent problems of the larger purse seine fisheries can be summarized as inefficiency of distribution structures and retarded landing system and facilities as well as the worse of profitability according to shrink of fishing places, reduction of products, lack of workers, and increase in oil price. To solve the urgent problems, the large purse seine fisheries should be changed into an industry with low cost and high efficiency, and also need to introduce of new production system, strengthen autonomous management of natural resource, and increase in value added to products.

The Development of China′a Marin Fisheries and Reorganization of Region Fisheries in the East China Sea (동중국해에서 중국 해면어로어업의 전개와 지역어업의 재편)

  • 김대영
    • The Journal of Fisheries Business Administration
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    • v.31 no.2
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    • pp.27-45
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    • 2000
  • This study discusses the development structure of China's Marine Fisheries in the East China Sea. China's marine fisheries have developed since the 1980s along with it's economic expansion. The total catch in the East China Sea has increased especially during the 1990s. The Chinese fishery has developed remarkably through individual management, expansion of their fishing grounds from inshore to off-shore, and increase of the catch in both pelagic and bottom species. In other words, the trawl fishery in China has led to higher production. We can say that the progress in Chinese fisheries is the result of their expansion policy. Their boats have been coming closer and closer to the Japanese and Korea fishing grounds during the 1990s. Chinese fisheries is exploiting the low cost and thus strengthening its quantity. Based on rising fish price, expanding domestic fish markets as well as expels, China is enjoying the high income. However, in trawl fishery, productivity is stagnant and profit is going down due to the rising cost. In accordance with the new 200 mile EEZ system in the East China Sea, China's fisheries will be restricted mostly by the new regulation which requires the reduction of fishing efforts and the application of resource management.

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The Retained Documents Disposal Project and Reorganization of National Records Management System(1968~1979): Focused on Reorganization the Government Document Classification Scheme and Criteria for Retention Period (보존문서정리작업과 국가기록관리체계의 개편(1968~1979) - 공문서분류표와 보존연한책정기준의 개편을 중심으로 -)

  • Lee, Seung-Il;Lee, Sang-Hun
    • Journal of Korean Society of Archives and Records Management
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    • v.8 no.1
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    • pp.65-96
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    • 2008
  • The Retained documents disposal project, promoted in 1968 and 1975, was executed as part of administrative plans for prompt movement of the government in case of national emergency. It was main contents that archival documents were re-appraised and reduced the least, and then moved rearward. The Retained documents disposal project denied The Records Management System of Korean Government that had been founded in 1964, promoted reduction of documents physically for convenience to dispersion of the government. Korean Government had completed these projects and then reorganized records management system to reduce creation of archival documents systematically in 1979.

Study on Reorganization Plan for District Division of Baekdudaegan Protected Area for Local Revitalization (지역 활성화를 위한 백두대간 보호지역 용도구역체계 개편방안 연구)

  • Sung, Hyun-Chan;Lee, Kyung-Il;Kim, Yoon-Ji;Jeon, Seong-Woo
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.22 no.5
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    • pp.13-25
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    • 2019
  • The Baekdudaegan protected area is a regulatory-oriented policy that does not consider the residents, and has been affected by the shrinking of local economy and the reduction of community activities. In order to minimize the damages, Baekdudaegan resident support programs has been implemented but various problems have been pointed out failing to lead to local revitalization. In addition, the zoning districts consists only of the core district and buffer district, which makes it more difficult to improve the lives and satisfy the needs of residents due to the stricter regulations. This study suggests the revitalization of Baekdu-daegan protected area by reforming the zoning system of Baekdu-daegan protected area. Considering related plans and systems, legal validity, residents' repulsion, area, etc., four reorganization plans were drawn according to each strength and weakness. Principles, additional permissible activities, example of amendment to 'Baekdudaegan Protection Act' according to each plan were also presented. The results of this study can contribute to the improvement of income and welfare of the residents in Baekdudaegan protected area. However, further research is needed because it is a limitation that the specific scope of the proposed plans could not be set.

Youth Leadership Training through Town Center Regeneration Project in Rural Area - Focused on the Reorganization Plan of Mie-machi Main Street, Oita - (중심지 재생사업을 통한 농촌지역 청소년의 리더십 양성 - 일본 오이타 미에마치(三重町) 중심가로 재편계획을 사례로 -)

  • Chung, Jaehoon
    • Journal of Korean Society of Rural Planning
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    • v.28 no.3
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    • pp.35-47
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    • 2022
  • The study is to analyze the role of highschool youth group in a rural regeneration project. The process of youth group becoming subjective in resident participation plan was classified into isolation reduction, self-awareness, perspective-taking, subjectivity practice, and opinion expression. Isolation reduction is a stage in which youth group is gradually drawn into the community from a limited society of home and school, self-awareness is a stage in which they discover their thoughts, and view perspective-taking is a stage in which they objectify themselves and surroundings through communication with other members of the region, social experiment was analyzed as a practice of subjectivity that experiences leadership guiding the local community independently, and expressing opinions is a stage of representing the region and giving responsibility for the specific issue of the implementation plan. The study is also an analysis of how residents committee, local governments, and local research institutes perform both regeneration and community revitalization in rural areas. Therefore, the analysis of the cooperative organization of these institutions was conducted simultaneously. The leadership program was effectively linked to the project of rural regeneration. Since high school students themselves are family members of the local people, the process of accepting the project is unaffected, and the feasibility of the project is also increased, such as forming a positive atmosphere for the project and easing resistance to minority opinions.

Evaluation of a Radical Mechanistic Probe for NADH-dependent Horse Liver Alcohol Dehydrogenase Reactions by Computer Graphics Modeling

  • Chung Sung Kee;Chodosh Daniel F.
    • Bulletin of the Korean Chemical Society
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    • v.9 no.1
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    • pp.44-48
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    • 1988
  • The feasibility of the reduction of nortricyclanone (1) as a chemical probe for testing the proposed radical mechanism for NAD-dependent horse liver alcohol dehydrogenase (HLADH) reactions has been examined using computer graphics modeling. The resutls of this study suggest that the radical ring-opening of this probe molecule may involve too substantial a geometry reorganization for the molecule to serve as a chemical probe in detecting the possible presence of the radical intermediates in the HLADH reactions. This result suggests that one should exercise caution in extrapolating results obtained from chemically based radical probes in the solution phase to the topologically constrained systems such as enzyme-substrate reactions.

A Study on the Reorganization of Fire Service Agencies (소방기관의 조직 개편에 관한 연구)

  • Kyong-Jin Park
    • Journal of the Korean Society of Industry Convergence
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    • v.26 no.2_2
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    • pp.279-284
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    • 2023
  • In this study, We analyzed that organization of fire service agencies, personnel management and firefighting activities. As a results, Many problems were found out, about ratio of administrative to firefighting personnel, retirement age, promotion, employment, Etc. T herefore, In order to carry out there mission faithful in disasters scene, We proposed that reduction of the number of administrative firefighter, abolition of the employment system candidates for fire executive positions, reducing of the retirement age and changing of the promotion system.