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Lead Isotope Ratio Data Base for Bronze Objects at the National Museum of Korea (II) (국립중앙박물관소장 청동유물의 납동위원소비 데이터베이스 구축(II))

  • Kang, Hyungtae;Ahn, Jooyoung;Jeon, Hyosoo
    • Conservation Science in Museum
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    • v.9
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    • pp.105-116
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    • 2008
  • The Conservation Science Team of National Museum of Korea has established the data base of lead isotope ratio as the scientific research of bronze patina, which was acquired from conservtion process of metal objects, and based on this result, it intends to conduct the research related to the origin of raw material for the bronze objects. As the equipment for analysis of lead isotope ratio of the bronze patina, the thermal ionization mass spectrometer(TIMS) was used. As a part of this study, in 2nd year 2008, lead isotope ratios of total 18 samples inclding 2 samples of Round-type gold-bronze belong to Baekje period, the 2 items of head of bronze arrow belong to Nangnang(Lelang) and 10 items of the flower-shaped bronze dishes from the Unified Silla period, the 4 items of the bronze patina from the objects(era of 1 item not identified) of Wonpungtongbo(year 1078-North Sung) were analyzed.

A Study on the Operation Method for the Internationalization of the Academic Journal (학술지의 국제화를 위한 운영 및 발전방안 연구)

  • Oh, Dong-Geun;Choi, Seon-Heui;Lee, Yong-Gu;Yeo, Ji-Sook;Lee, Jeong-Gyu
    • Journal of Korean Library and Information Science Society
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    • v.45 no.2
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    • pp.159-178
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    • 2014
  • This study suggests the operation method for the internationalization of journal during the beginning period of the first publishing, based on the in-depth analysis on two journals in the area of library and information science, Journal of Informetrics and MJLIS. It recommends that we need some kinds of operation methods for the successful internationalization of the journal; firstly, the necessity for the support organizations, the increase of the numbers of the articles, the support of the authors with various nationalities and in the area of published, the editorial board members with various nationalities having the ability to publish the high quality articles and to make the proper self-citation during the beginning periods of the first publishing of the journal.

Analytical Studies on Volatile Organic Compounds from New Automotive Interior Parts (자동차 신차의 실내에서 발생되는 휘발성유기화합물 분석 연구)

  • Yun, Ju-Ho;Yoo, Seung-Eul;Kim, Sumin;Kim, Hyun-Joong;Kim, Seok-Man
    • Journal of Adhesion and Interface
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    • v.8 no.1
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    • pp.1-7
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    • 2007
  • The objectives of this study are to analyze emitted components and concentrations of VOCs (Volatile Organic Compounds) from the inside of vehicles that were experimented with sedans and RVs (Recreational Vehicles) delivered from warehouses after 15, 30, 45 and 60 days. The value of TVOC (Total Volatile Organic Compounds) was twice to eight times over than the standard value. However, TVOC of vehicles was more detected than RVs. Especially, the value of toluene was rapidly decreased after 45 days. But after 60 days, it was more detected than the standard value. After 45 days, the xylene value was confirmed to be lower than the standard value. As a result, it was found that development of alternative technologies such as non-solvent and systems for automobile interior parts may be imminent. Using test method standard, although it is not yet International Standard, to analyze and replace components, concentrations, human-noxious, it will contribute to producing environmental-friendly vehicles.

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Isolation of Bacillus amyloliquefaciens MJ-3 and Its Effect on the Early Growth Promotion of Red Pepper Plug Seedlings in Compost (고추 플러그묘 초기 생육을 촉진시키는 Bacillus amyloliquefaciens MJ-3의 분리 및 상토내 처리 효과)

  • 김진호;최용화;강상재;주길재;서장선;임태헌
    • Journal of Life Science
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    • v.13 no.5
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    • pp.582-589
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    • 2003
  • The effect of useful rhizobacterium added in bed soil on the early growth promotion of red pepper plug seedlings was investigated. Total 540 colonies of rhizobacteria from 385 samples of eggplant family roots were isolated. Among these, 5 isolates were selected for antifungal activity against pathogenic fungi such as Alternaria solani, Botrytis cinerea, Fusarium oxysporium, Phytophthora capsici, and Sclerotia sclerotiorum. Of all the isolates, MJ-3 having the most pronounced growth-promoting ability for red pepper was finally selected and identified as Bacillus amyloliquefaciens through characterization of biochemical and bacteriological aspects and 16S rDNA sequence. The plant height, stem diameter, root length and fresh weight of red pepper plants which were grown with inoculation of B. amyloliquefaciens MJ-3 were higher than those without inoculation. Especially the root weight of the inoculated red pepper plant increased by 44.3%, the content of endogenous plant hormone (CA$_1$) being 0.556 ng/g (dry weight).

The Ethnography Research about the Electronics Panopticon Experience of the Temporary Position Man Laborer and Possibility for the Profanazion (비정규직 청년 노동자의 전자 파놉티콘 경험과 세속화 가능성에 대한 문화기술지 연구)

  • Noh, Eun-Cheong;Sung, Dong-Kyoo;Jang, Sung-Won
    • The Journal of the Korea Contents Association
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    • v.20 no.2
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    • pp.607-625
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    • 2020
  • This research tries to examine the possibility of non-regular workers' electronic panopticon experience and the possibility of secularization, and get which meaning of life through that. Seven participants were selected for this Ethnography Research; Five young workers and two self-employees. The research is as follows. First, the media system and medium such as the smartphone and social media operate as the electronics panopticon device which constantly being watched. Second, this kind of electronics panopticon experience tries to observe the discipline of itself and experiencing de-extermination which lost its diversity by intended to internalize the actions demanded by the employer. Finally, the participants performed secularization by resisting power devices through smart devices and media and seeking workers' rights and interests through the community. Therefore, this research confirms the media could function as electronic panopticons device and as a device for the possibility of secularization.

Analysis of the Physiological Signal Measured by Oriental Medicine Instruments in the View of the Rule of Promoting and Counteracting Relation of the Five Evolutive Phases (한방기기(韓方機器)로 측정(測定)한 생리신호(生理信號)의 오행(五行) 생극제화규율적(生剋制化規律的) 해석(解析))

  • Jang, K.S.;Choi, J.W.;Jean, C.S.;Na, C.S.;So, C.H.
    • Korean Journal of Oriental Medicine
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    • v.2 no.1
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    • pp.84-103
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    • 1996
  • The physiological signals measured by Oriental Medicine instruments have been analyzed quantitatively in the view of the rule of promoting and counteracting relation of five evolutive phases theory. We tried to reduce the physiological signals measured by EAV(Elec-tro-Acupuncture according to Voll) and IR thermography to the representation of five evelutive phases. The EAV index and local skin temperature on acupuncture points of each phases measured and normalized so that the total value of five phases became unity. We assumed that the normalized EAV index and local skin temperature mean the deficiency or excess of Qi for each phases. The state of Qi distribution for each phases were approximately agree with the diagnostic pattern of O. M. doctor. Taking account of the Qi distribution state of·or the five evolutive phases, we performed a proper needle insertion on acupuncture points to induce the distinct change of Qi for each phases. We compared the measured results with the predictions of Qi variation by the rule of pro- moting and counteracting relation over the five evolutive phases. For all cases, the variation of Qi in the own phase on which a needle insertion was performed were exactly same to the theoretical prediction and partial agreement was shown for the other four phases. The same analysis was carried to the results of skin temperature measurements at accupoints. We found that the local skin temperature at accupoints of each phases shelved a finite change by the needle insertion and the behavior- of its change were strongly correlated to the rule of promoting and counteracting relation of five evolutive phases.

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Formulation of Water-soluble Topical Preparations of Epidermal Growth Factor (상피세포성장인자의 수용성 외용제제화)

  • Lee, Yoo-Cheol;Park, Eun-Seok;Chi, Sang-Cheol
    • Journal of Pharmaceutical Investigation
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    • v.25 no.3
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    • pp.177-184
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    • 1995
  • In order to formulate an aqueous topical preparation of epidermal growth factor(EGF) for the treatment of open wound and bum, the stability of EGF in aqueous vehicles containing various stabilizers was evaluated and the pharmacological activity of gel preparations formulated with poloxamer 407 was determined with wound model. Various additives, which are known as potent stabilizers for proteins and polypeptides so far, were used to increase the stability of EGF in aqueous vehicles. The contents of EGF in the vehicles containing stabilizers were determined with an HPLC method after the storage at $37^{\circ}C$. EGF was more stable in ultrapure water than RO water or saline. All the additives studied resulted in deleterious effects on EGF stability. Therefore, it was speculated that any additives or impurities in the vehicle made EGF unstable. However, nitrogen purge of solution increased the stability of EGF in aqueous vehicles. The aqueous topical preparations of EGF were formulated with poloxamer 407 as a gel base in saline. Gelatin or amastatin was employed as a protease inhibitor. The pharmacological effect of EGF gel was studied with open wound model in mice. EGF preparations, made of oleaginous base or poloxamer gel base, showed significant healing effect compared to the control group(p<0.05). The addition of protease inhibitor in poloxamer 407 gel resulted in significant healing effect compared to the gel without it(p<0.05). Body weights of mice treated with EGF preparation were increased at the first day after the formation of open wound, while those of the control group were decreased. The EGF gel made of poloxamer 407 containing a pretense inhibitor would be a promising aqueous topical preparation for EGF.

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Regional linkages of Producer Service -A Case Study of Chinju Region- (생산자서비스의 지역적 연계 -진주지역을 중심으로-)

  • Kim, Duk-Hyun
    • Journal of the Korean association of regional geographers
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    • v.2 no.1
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    • pp.1-24
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    • 1996
  • This paper is a case study on regional linkages of producer services in Chinju region. Producer service appeared as the most rapid growth sector in service industry. In Chinju region. manufacturing firms purchase generalized producer service within the region. However the higher-order service, they demand; the remoter metropolis especially Seoul, they depend on. Linkage patterns among manufacturing sectors are similar; but then the firms whose managers are from Chinju or Gyeong-nam region had stronger regional linkages than others. Public institute such as Chamber of Commerce & Industry, University Research Institute of Industrial Technology. Korea Technology Credit Guarantee Fund, Korea Silk Research Institute have made important role as suppliers of public producer services in Chinju Region. As present stage, their services of industrial technology, fiancing, and information are not only fit regional demand but also spatially limited within region. The facts that large firms purchase high-order services from other region and small firms have not good demand of producer service suggest regional policy implication about supplying relevant producer service in the region.

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Attitudes Toward Legalization of Death with Dignity (존엄사의 법제화에 대한 태도)

  • Kim, Mee-Hye;Kim, So-Hee
    • The Journal of the Korea Contents Association
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    • v.10 no.10
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    • pp.304-317
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    • 2010
  • The purpose of this study is to research on attitudes toward legalization of death with dignity. The respondents are 561 adults aged 20 years old and over, living in Seoul and Kyunggi Province. Research questionnaire consist of 28 questions concerning general background, personal experiences of death, attitudes toward death, pros and cons on death with dignity and legalization. Statistical analyses employ frequency, mean, cross tab, and t-test. 87.3% of respondents agree the legalization of death with dignity. The persons who are older, self-employed, and production employees, get married, live with spouse, believe buddhism, experience care for the death, believe life after death, recognize the necessity of testament agree more on death with dignity. The first requisite for legalization of death with dignity is the standard of judgement concerning self decision on death with dignity. The decision makers are prioritized by self, family member in order. The necessary services for decisions on death with dignity are the mediation role between medical team and family, medical information about illness prognosis and prolongation, psychological counselling on depression.

Spatial Distribution of Knowledge-Information Occupations (지식정보직업군의 공간적 분포 분석)

  • Jo Dong-Gi
    • Korea journal of population studies
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    • v.26 no.2
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    • pp.175-195
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    • 2003
  • This paper investigates spatial distribution of the knowledge-information occupations by utilizing Geographical Information System(GIS). The knowledge-information occupations, comprised mainly of professionals, engineers and managers, have played a key role in the knowledge-based information society. The uneven development of bureaucratization and informatization among regions have resulted in unequal spatial distribution of the knowledge-information occupations. Analysis of 1995 and 2000 Census shows that these occupations tend to concentrate in some major metropolitan areas, while the other areas show rather traditional occupational structure. This spatial unequality has been also found in the occupational distribution within Seoul. This tendency of spatial concentration in the occupational distribution inherited from the industrial society and is not going to diminish in the knowledge-information society. More aggressive policies to make the most of decentralizing impacts of information and communication technologies should be implemented to counter-balance this tendency.