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성취목포지향성이 경쟁불안, 자기효능감 및 운동수행에 미치는 영향
김윤태,임종은,이창섭 忠南大學校體育科學硏究所 1999 體育科學硏究誌 Vol.17 No.1
The purpose of this study was to analyze the relationship between the sport achievement goal orientation and the anxiety, self-efficacy and motor performance in bowling. High school bowling players(male 105, female 110) who played more than two years were served as subjects. Pearson's correlation was computed for the relationship among factors and Analysis of Covariance(ANCOVA) was conducted for difference among factors by gender. The obtained conclusions were as follows 1. The task orientation had a on self efficacy and ego orientation had a positive effect on state self-confidence. 2. The state self-confidence had a positive effect on self-efficacy. 3. The cognitive state anxiety had a negative effect, whereas the self-efficacy had a positive effect on the bowling performance outcome.
TCP/IP 상의 국제생산메시지규격(MMS)을 이용한 공장 통신망 시스템의 설계 및 구현
김동성,김윤섭 금오공과대학교 2008 論文集 Vol.29 No.-
This paper consider a design and implementation of a factory communication systems using the manufacturing message specification (MMS) on TCP/IP protocol suite. The proposed method provides a common factory communication system for networked automation equipments. The implemented overall system can be used for a design framework of factory communication systems using .MMS on TCP/IP.
안병만,김용길,차병묵,피윤섭,윤재홍,김진관 國立 昌原大學校 産業技術硏究所 1994 産技硏論文集 Vol.8 No.-
STD61종 열간금형강의 수명향상을 위하여 ion nitriding처리를 실시하였다. 이온질화전의 모재의 열처리시에는 1030˚C에서 quenching한 후 530˚C에서 2시간 tempering했을 때 Hv=600의 높은 경도값을 나타내었다. 580˚C, 600˚C에서 2시간 tempering했을 때는 각각 Hv=500, Hv=400으로 경도값이 오히려 감소했다. 이온질화 처리시에는 처리시간이 길고 N₂와 Ar첨가유량이 많을 수록 깊은 화합물층과 확산층을 얻었다. 그리고 각 처리조건에서 안정된 Hv=1150의 질화물층을 얻을 수 있다. Ion nitriding treatment has been practiced to improve the life of hot die steel of STD61. Before nitriding the parent STD61 tempered at 530˚C, 2hrs after quenching at 1030˚C, It showed the high hardness distribution of Hv=600. The hardness distribution has decreased by Hv=400, Hv=500 when tempered for 2hrs at 580˚C, 600˚C. In the ion nitriding, the more treat-time and the more N₂and Ar flux, the deeper the compounded layer and the diffused layer. The stable hardness, Hv=1150, of nitride layer was obtained at various treatment condition.
정혜진;김현태;김유선;정현걸;강윤경;문정섭 인제대학교 2011 仁濟醫學 Vol.32 No.-
Eosinophilic gastroenteritis is a rare disorder of unknown etiology characterized by presence of gastrointestinal symptoms, eosinophilic infiltratio n of one or more parts of gastrointestinal tract without involvement of other organs and absence of parasitic infestation. The clinical presentation depends on the extents and depths of eosinophilic infiltration. Mucosal involvement may result in abdominal pain, nausea, vomiting, diarrhea and weight loss. We report a case of eosinophilic enterocolitis in a 55-year-old female presented with abdominal pain and watery diarrhea resulting in recurrent acute renal failure.
진입장벽 요인이 향후 투자에 미치는 영향에 관한 연구 : 러시아 제조업 부문에 대한 투자를 중심으로
정헌주,황윤섭,,김희종 서울대학교 러시아연구소 2006 러시아연구 Vol.16 No.1
Any market has its own entry barriers to foreign firms. In this reason, foreign firms. who are entering to a foreign market, must have internal competence which can contribute to overcome the entry barriers and have the capability for adjusting to external environment of foreign market. In this paper we analyzed the rate of entry barriers of external environment of Russian market when Korean firms entering into Russia. In this paper we segmented the external environment that affects to foreign firms as entry barriers such as competitive, socio-cultural, and political-legal environment and analyzed the rate of barriers induced from these environmental factors to foreign firms. The applied method is correlation and multiple regression analysis. The result of empirical analysis is a follows: The competitive environment of local(Russian) market dose not affect to Korean firms as an entry barrier. The local socio-cultural environment, however, significantly affect to foreign firms as entry barrier and negatively affect to sequential entry to sequential entry of Korean firms, and among sub-factors hierarchical behavior of governmental workers, in particular, raises unstability and uncertainty of external environment and negatively affects to Korean firms' investment in the future.
Yun, Kang-Seop,Kim, Bo-Ra,Noh, Eul,Jung, Hee-June,Oh, Hyo-Jin,Kang, Wooseung,Jung, Sang-Chul,Myung, Seung-Taek,Kim, Sun-Jae Korean Society for Precision Engineering 2014 International Journal of Precision Engineering and Vol.15 No.8
Cyclic stability of carbon blacks as an anode electrode in lithium ion batteries was studied using commercial (SP & KB) and synthesized (SC) ones. SC was processed by liquid phase plasma process. The cyclic stability was found to be affected with the presence of solid electrolyte interface(SEI). Unlike the commercial carbon blacks in which SEI formed at early stage of chargedischarge cycles, SC showed a gradual formation of SEI with the cycles. The SEI formation was confirmed by the trace of resistance changes with the impedance measurements. SP was observed to have the best charge-discharge cyclic stability. Meanwhile, the capacity of SC was gradually decreased with the cycle until the formation of SEI even though it had higher capacity than the commercial ones through the measurement cycles of up to 50. The cyclic stability of SC carbon blacks was greatly improved by mixing with SP with a slight sacrifice of capacity.
( Yun Kyeong Cho ),( Seung Ho Hur ),( Hyun Tae Kim ),( In Cheol Kim ),( Hyoung Seob Park ),( Hyuck Jun Yoon ),( Chang Wook Nam ),( Hyung Seop Kim ),( Seong Wook Han ),( Yoon Nyun Kim ),( Kwon Bae Kim 대한내과학회 2009 The Korean Journal of Internal Medicine Vol.24 No.4
Background/Aims: Recent intravascular ultrasound (IVUS) studies of sirolimus-eluting stents (SES) and paclitaxel-eluting stents (PES) have demonstrated a significant reduction in neointimal hyperplasia (NIH) based on simple coronary lesions. In this study, we evaluated the efficacy of SES and PES using IVUS in complex coronary lesions. Methods: Eighty-seven patients in whom 95 drug-eluting stents (66 SES and 29 PES) were implanted in complex coronary lesions were enrolled in this study. Case selection was based on the availability of IVUS and quantitative coronary angiographic (QCA) examinations at the index procedure and at follow-up. The neointimal volume index (volume/length: NIVI) and percent neointimal volume (% NIV) were calculated. The longitudinal length of stented segments without IVUS-detectable NIH was also evaluated. Results: The baseline patient demographics were similar between the SES and PES groups. At follow-up, no significant differences were observed in the vessel, plaque, or stent volume indices between the two groups. However, the NIVI and % NIV were significantly lower in the SES group (p<0.01). The longitudinal length of stented segments without IVUS-detectable NIH was significantly higher in the SES group (p<0.01). The net gain was significantly larger in the SES group (2.3±0.7 vs. 2.0×0.6 mm, p=0.025), while the rate of major adverse cardiac events was similar between the two groups. Conclusions: Although SES showed significantly greater suppression of NIH at follow-up, both stents were highly effective at inhibiting NIH in complex coronary lesions. (Korean J Intern Med 2009;24:323-329)