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RISS 인기검색어
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- 저자 : 김진기(Jin Gi Kim) (검색결과 58 건)
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김진기,김윤기,Kim, Jin Gi,Kim, Yoon Kee 한국재료학회 2015 한국재료학회지 Vol.25 No.2
Plasma properties of dielectric barrier discharges (DBDs) at atmospheric pressure were measured and characterized using optical emission spectroscopy. Optical emissions were measured from argon, nitrogen, or air discharges generated at 5-9 kV using 20 kHz power supply. Emissions from nitrogen molecules were markedly measured, irrespective of discharge gases. The intensity of emission peaks was increased with applied voltage and electrode gap. The short wavelength peaks (315.9 nm and 337.1 nm) measured at the middle of DBDs were significantly increased with applied voltage. The optical emission from DBDs decreased with the addition of oxygen gas, which was especially significant in argon discharge. Emission from oxygen molecules cannot be measured from air discharge and argon discharge with 4.8% oxygen. The emission intensity at 337.1 nm and 357.7 nm related with nitrogen molecule was sensitively changed with electrode types and discharge voltages. However, the pattern of argon emission spectrum was nearly the same, irrespective of electrode type, oxygen content, and discharge voltage.
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김진기(Kim, Jin-Gi),정경회(Jung, Kyoung-Hoi),유광길(Yu, Kwang-Kil) 한국체육과학회 2017 한국체육과학회지 Vol.26 No.1
This research was to explore the Priority Order of Revitalization Factors in Private Investment of Taekwondowon and thus, provide fundamental information. For this purpose, the Delphi survey was carried out by six gurus and an hierarchy structure was established with agreed survey questions in the fourth round. Based on this, pair-wise comparison questionnaires were developed. The research targeted sports marketing experts, real estate experts, business administration experts, economic experts, public employees of provincial office, staff of taekwondowon. Through a consistency test, samples with the lack of reliability were excluded and SPSS WIN Ver. 22.0 and Microsoft Office Excel 2007 were used for data process. The following results came from the research. The priority order in evaluation field of revitalization factors was a project support, project performance, project preparation and financial procurement. A project-analyzing in the project preparation among evaluation items, location support in the project support and profitable type in the project performance and project financing in the financial procurement occupied in a top rank.
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김진기(Jin Gi Kim),권판근(Pan Kuen Kwon),김홍석(Hong Seok Kim) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-
The purpose of this study was to investigate the effects of self-esteem on physical education achievements. Subjects of this study were 167 male students and 163 female students randomly from one high school. The main findings of this study were as follows: 1. High school students with high level of global self-esteem, social-peer self-esteem, school academic self-esteem showed the high academic achievements of physical education(p<.05). 2. There were no significant differences between high level and low level of home-parents selfesteem in any academic achievements. 3. There were no significant interaction effects between the level of self-esteem sexes of students in any academic achievements.
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이습활통탕(利濕活通湯)이 Collagen 2로 유발된 류마티스 관절염에 미치는 영향
김진기 ( Jin Gi Kim ),오민석 ( Min Suck Oh ) 한방재활의학과학회 2009 한방재활의학과학회지 Vol.19 No.1
Objectives: The aim of this study was to know the immunity reponse of Esubwhaltong-tang(hereafter referred to ESWTT) to rheumatoid arthrits in CIA(collagen induced arthritis) mice. Methods: For this purpose, ESWTT was orally administerd to mice with arthritis induced by collagen 2 and then value of immunocyte in paw joint, cytokine(IL-6, TNF-α), rheumatoid factor(IgG and IgM) and collagen Ⅱ specific antibody in the serum were measured. Results: 1. The cytotoxicity was not shown on hFLSs and liver. 2. Marginal erosion, necrotic chodrocytes, cartilage and bone degradation were improved in histological section of paw joints from CIA mice(ESWTT extract administration group). 3. Total cell number of paw joint in CIA mice(ESWTT extract administration group) was decreased significantly. 4. The absolute number of CD3+, CD3+/CD69+, CD4+, CD4+/CD25+, CD49b+, CD3+/CD49b+ cells in CIA mice(ESWTT extract administration group) were decreased significantly. 5. The levels of IL-6 and TNF-α in the serum of CIA mice(ESWTT extract administration group) were decreased significantly. 6. The levels of total IgG and IgM in the serum of CIA mice(ESWTT extract administration group) were decreased significantly. 7. The level of collagen Ⅱ specific antibody in the serum of CIA mice(ESWTT extract administration group) was decreased significantly. Conclusions: Comparison of the results for this study showed that ESWTT had immunomodulatory effects of suppressing. So we expect that ESWTT could be used as an effective drugs for not only rheumatoid arthritis but also auto-immune disease.
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김진기 ( Kim Jin Gi ),이현탁 ( Lee Hyun-tak ),장봉규 ( Jang Bong-gyu ) 한국부동산분석학회 2017 부동산학연구 Vol.23 No.1
This paper proposes a log-linear present-value model in relation to home prices, Chonsei prices, and interest rates (conversion rates from Chonsei prices to rent prices). Given the present-value model, we apply a vector autoregressive approach to the Seoul apartment market and then find three main results. First, the Seoul apartment market seemed to be speculative in the past, but its speculative movements have gradually declined over time. Second, most recent variation in home prices relative to Chonsei income results from the future uncertainty related to the interest-rate forecast. Third, Chonsei prices and interest rates provide natural increasing and decreasing trends for home prices, respectively. In addition, variation in expected returns that represents a shift in real-estate investment opportunity makes the prices mean-revert to the home`s intrinsic value. Since the interest-rate forecast not only increases the price volatility but also induces the price decrease, it is important to keep a long-term interest-rate policy stable for the residential stabilization.
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