• Title/Summary/Keyword: National Collection

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Communicating Conservation to the General Public:Conservation Gallery Exhibition at the Wallace Collection, London, UK (영국 월레스 컬렉션의 상설 보존 전시관 운영을 통해 본 보존과 일반 대중과의 교류)

  • Kim, Seoyoung
    • 보존과학연구
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    • s.32
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    • pp.185-193
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    • 2011
  • The Wallace Collection in London (one of the national museums in the UK) has a gallery dedicated to conservation related displays. As well as permanent displays on the manufacturing techniques and materials of artifacts, there is a specially designed space for temporary conservation exhibitions. Through the example of the current conservation exhibition at the Wallace Collection and similar exhibitions and displays from other museums in the UK, this paper will study how the relationship and communication between the conservation profession and the general public have changed, from conservation as a behind-the-scenes and little-known activity to a closer interaction with the public and as a direct educational tool. The general function of a museum can be seen to have evolved from providing passive information to its visitors to offering more active and various forms of education. Conservation has developed with this change towards more awareness of the profession and its role in the preservation of cultural heritage through public outreach programs and displays.

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Collection characteristics of wet-type rotating porous disk system for air pollutants removal of marine diesel engines (박용디젤기관의 대기오염 저감을 위한 습식 회전형 다공성 디스크 시스템의 집진특성)

  • Yoa, Seok-Jun;Jang, Chang-Ik
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.50 no.3
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    • pp.318-325
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    • 2014
  • The main object of this study is to investigate the collection characteristics of wet-type rotating porous disk system experimentally. The experiment is carried out to analyze the pressure drop and collection efficiency for the present system with the experimental parameters such as system inlet velocity, stage number, tube diameter, inlet concentration, etc. In results, for the present system, at 5 stage and ${\upsilon}_{in}=1.8m/s$, the pressure drop becomes significantly lower as $64mmH_2O$ in comparison with that of the conventional wet type scrubber (Venturi scrubber, over $250mmH_2O$). The collection efficiencies increase with higher inlet velocity showing 92, 95.7, 98.4%, while $SO_2$ removal efficiencies decrease with increment of inlet velocity as 80, 65, 50% at ${\upsilon}_{in}=1.08$, 1.44, 1.8 m/s and tube diameter $D_t=10mm$, respectively. The present system is to be considered as an effective compact system for a simultaneous removal of particle/gas phase pollutants from marine diesel engines.

Optimizing Garbage Collection Overhead of Host-level Flash Translation Layer for Journaling Filesystems

  • Son, Sehee;Ahn, Sungyong
    • International Journal of Internet, Broadcasting and Communication
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    • v.13 no.2
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    • pp.27-35
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    • 2021
  • NAND flash memory-based SSD needs an internal software, Flash Translation Layer(FTL) to provide traditional block device interface to the host because of its physical constraints, such as erase-before-write and large erase block. However, because useful host-side information cannot be delivered to FTL through the narrow block device interface, SSDs suffer from a variety of problems such as increasing garbage collection overhead, large tail-latency, and unpredictable I/O latency. Otherwise, the new type of SSD, open-channel SSD exposes the internal structure of SSD to the host so that underlying NAND flash memory can be managed directly by the host-level FTL. Especially, I/O data classification by using host-side information can achieve the reduction of garbage collection overhead. In this paper, we propose a new scheme to reduce garbage collection overhead of open-channel SSD by separating the journal from other file data for the journaling filesystem. Because journal has different lifespan with other file data, the Write Amplification Factor (WAF) caused by garbage collection can be reduced. The proposed scheme is implemented by modifying the host-level FTL of Linux and evaluated with both Fio and Filebench. According to the experiment results, the proposed scheme improves I/O performance by 46%~50% while reducing the WAF of open-channel SSDs by more than 33% compared to the previous one.

Perception of agricultural biotechnology according to information navigation activities on agricultural biotechnology

  • Bumkyu, Lee;Sung-Dug, Oh;Youn Sung, Cho
    • Korean Journal of Agricultural Science
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    • v.48 no.4
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    • pp.761-770
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    • 2021
  • A study was undertaken to identify variations in the level of awareness, the information collection status, the level of acceptance, and the characteristics of information collection as it pertains to agricultural biotechnology based on information collection in the field of agricultural biotechnology. When examining subjective awareness, objective awareness, and interest in agricultural biotechnology, the results showed that the levels of all three variables were higher in cases where information exploration of agricultural biotechnology had been experienced. Among the participants who have experience in voluntarily collecting information about agricultural biotechnology, helpful information at a rate of 51.6% and harmful information at a rate of 42.0% were acquired, values much higher than the 37% and 30% corresponding rates for participants who had no experience. However, it was also found that harmful information has a significantly greater impact on perceptions of the future. The characteristics of information collection for agricultural biotechnology indicated that those with experience in voluntary information collection particularly preferred the Internet, whereas those without any experience showed little difference with regard to television and/or the internet. According to a survey of participants' interest areas in agricultural biotechnology and their level of information acquisition, "Safety of human bodies" was rated the top interest area at 36.9%, which also had the highest level of information acquisition at 30.0%. In providing and sharing information in the future, this is a direct reference to the priorities and proportions of each field.

The collection and preservation of national literature (국가문헌의 수집과 보존)

  • 김남석
    • Journal of Korean Library and Information Science Society
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    • v.15
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    • pp.79-111
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    • 1988
  • The purpose of this study has its meaning to indicate the direction on collection and preservation of national literature which is one of the must important functions of the Central National Library. The Central National Library is, however, a representative library of our country and collect every kind of literature and to meet the requests of its users, the present situation of The Central National Library can't be performed sufficiently on these actions. According to studies of this paper, it have suggested the following five methods as a method of collecting national literature. First, the method by registering copyright endowing the number of copyright like ISBN. Second, the method a n.0, pplied by revising and su n.0, pplementing present legal deposit system. Thirdly, the method that the central one institution secure national budget collect literature of nation i.e., central intensive collection one. Fouthly , method of collecting literature by partial charge through local library networks. Fifthly, method by subject intensive collecting. As the preserving method of national literature, this research has indicated the following two ways. First, to keep the literatures forever, the method of The Central National Library keeps records as a limited volume. Second, The method of dispersing records as the local libraries. To put these methods into practice, it must be preceded that not only national helps, budget secures are needed but special committee must be organized to keep and preserve national literatures and material range also be extended and bibliographies for information data issuing must be worked out.

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Collection Efficiency Enhancement of Spray Tower Scrubber by Introducing Electrospray with Two-flow Nozzle (분무탑식 스크러버에서 이류체 정전분무에 의한 집진효율의 향상)

  • Hwang, You-Seong;Kim, Jong-Ho;Kim, Jong-Hyeon
    • Journal of Korean Society for Atmospheric Environment
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    • v.26 no.3
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    • pp.339-345
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    • 2010
  • There have been a number of efforts to satisfy national emission regulations and reduce the amount of emitted air pollutants. There are several air pollution control devices, however, only wet scrubber is efficiently used to remove particulate matters and gaseous pollutants, even if it has minimum collection efficiency in the particle size range of $0.1{\sim}1{\mu}m$. This study aimed to improve the collection efficiency of a spray tower type scrubber by introducing an electrospray system with two-flow nozzle. We found that the collection efficiency of a spray tower type scrubber was similar to that of a conventional wet scrubber. However, installation of an electrospray system in the scrubber resulted in drastic further improvement of collection efficiency comparing to that of a conventional scrubber, which is 26%, 35.2%, and 45.1% at the liquid to gas ratio of 0.26 $L/m^3$ and 19.9%, 35.1%, and 42.5% at 0.34 $L/m^3$ for the applied voltage of -30 kV, -35 kV, and -40 kV, respectively. Therefore, we found that the introduction of an electrospray system is very effective to improve the collection efficiency of a spray tower type scrubber.

A Study on an Integration of the Entitlement, Collection and Payment in the Social Insurance Systems of Developed Countries - Focusing on the Historical Review of Institutional and Organizational Integration - (선진국 사회보험에서 적용.징수.급여업무의 통합사례에 관한 연구 - 제도통합과 조직통합에 대한 역사적 고찰을 중심으로 -)

  • Nam, Chan-Seob;Baek, In-Rib
    • Korean Journal of Social Welfare
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    • v.63 no.2
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    • pp.5-29
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    • 2011
  • This paper analyzed the integration cases of the social insurance systems of Germany, Sweden and United Kingdom. On the basis of the two dimensions - institutional and organizational integration, this study reviewed the historical processes of the social insurance integration of the three countries. In Germany, the institutions and the organizations are divided still now and the sickness insurance funds take charge of the entitlement and collection services. In Sweden, the social insurance system is divided by institutions but the organizations were united. the Inland Revenue has charge of the entitlement and collection. In UK, the institutions and the organizations were united and the entitlement and collection services is assigned to the Inland Revenue. Regarding these historical processes of the social insurance integration of developed countries, this paper evaluated the transfer of the collection service to the National Health Insurance Corporation in Korea, which was enforced in 2011.

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Research on 'Japanesque Modern' and Japanese Fashion for Nationalistic Branding I - An Analysis of Design in the 'Japanesque Modern Collection' - (국가브랜딩을 위한 '신일본양식'과 일본 패션 I - '신일본양식 컬렉션'의 디자인 분석을 중심으로 -)

  • Yum, Hae-Jung
    • Journal of Fashion Business
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    • v.13 no.5
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    • pp.135-148
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    • 2009
  • The purpose of this research is to examine changes in Japanese fashion design through analysis of the background and characteristics of 'Japanesque Modern'. With the advent of globalization and pressures to enhance international competitiveness, key players in both Japanese government and industry feel an urgent need to establish a distinctive brand for its products. 'Japanesque Modern' was launched in January 2006 as a nationwide campaign through the support of the Japanese Ministry of International Trade and Industry (MITI). 'Japanesque Modern' strives to be a national movement, enhancing Japan's brand image while promoting continuous industrial innovation. 'Japanesque Modern' unites Japanese culture, design, and aesthetics with advanced technology, bringing traditional concepts to enrich contemporary life styles. In order to exemplify the 'Japanesque Modern' ideal, existing market products and content that reflect the concept were selected for the 'Japanesque Modern Collection' by the Japanesque Modern Council. In making these selections, the Council emphasized criteria based on three Japanese spiritual values: Craftsmanship; Manner; and Hospitality. As a result, three designs concepts have emerged in the 'Japanesque Modern Collection': the 'convergent method'; the 'conversion method'; and the 'emphasis method'. This research will explore these design concepts and their relationship to 'Japanesque Modern'.

An Analysis of Streambed Changes Downstream of Daecheong Dam

  • Seo, Hyeong-Deok;Jeong, Sang-Man;Kim, Lee-Hyung;Choi, Kyu-Ho
    • Journal of the Korean Society of Hazard Mitigation
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    • v.8 no.1
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    • pp.103-108
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    • 2008
  • Riverbed change is greatly influenced by artificial factors such as dam construction, gravel collection, and river improvement. This study simulated a long-term bed change based on the GSTARS3 model using actual data from the area downstream of the Geum River Daecheong Dam and compared the estimation with a section of the actual measurement. As a result, it was found that the section of the actual measurement was far lower than the result of the simulation in terms of long-term bed change. While the area downstream of Daecheong Dam displayed approximately an average of 2.29 m of streambed degradation on average while the upper stream area showed approximately 0.63 m of bed degradation over 24 years. In the simulation of the area downstream of Daecheong Dam based on the GSTARS3 model, similar bed degradation was observed. However, a great difference was detected between the result and the actual measurement. According to the cause analysis, the riverbed in the area downstream of Daecheong Dam has continuously degraded due to the dam construction and mass collection of gravel. The mass collection of gravel was the main cause of riverbed change. It was found that about 76% of all riverbed degradation was caused by the mass collection of gravel.