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運動選手의 징크스에 對한 調査硏究 : 高等學校 選手를 中心으로 Focusing on the High School Athletes
유오근 기전여자대학 1991 論文集 Vol.11 No.-
Through 100 highschool athletes for the jinx inquiry, the conceptual circumstance of jinx composed of jinx itself and its psychological effects on sports meetings can be summarized as follows; 1. A lot of students(59%) are suffering from jinx 2. The sequential order of jinx types is "weather", "condition after rising", "sports meeting time", "sports ground", "judge", respectively. 3. The jinx is closely related with words and deeds of leader or mates' and is not much concerned with the opposing team's strength and weakness. 4. Even with the excellent ability, he tends to think himself he is ordinary or under ordinary. Conclusion.
兪五根 기전여자대학 1992 論文集 Vol.12 No.-
I made an experiment of sports capaciry through 5 ssireum athlets by means of diet and overload training, and 6 days' sports capacity. 1. The change of temperature increases. 2. The change of weight falls by 7.2%. 3. Agility in the time of 3 or 4% weight lose increases, but at the time of more than 5% weight lose agiliry falls rapidly. 4. Agility, in proportion to the weight lose, rather increases 5. Muscular endurance falls in proportion to the weight lose.
유용성 도료와 수용성 도료의 유해성 비교에 관한 연구 : 자동차 보수용 도료를 중심으로
권은혜,김광식,오정룡,최정근,정윤석,이유진,김은아,송세욱,정호근 한국산업위생학회 2001 한국산업보건학회지 Vol.11 No.1
The purpose of this study is to substitute water-based painting materials for the current solvent-based ones used in motor-repairing process to minimize the exposure of organic solvents to the painters. This study assessed the exposure of organic solvents to the painters using water-based and solvent-based painting materials and compared compositions, painting processes and the health hazards of the application of these alternative painting materials. The results of this study are as follows. 1. solvent-based painting materials used in motor-repairing process consist of various organic solvents, which consist primarily of toluene, xylene, ethyl benzene, ethyl methyl bezene, trimethyl bezene, ethyl acetate, butyl acetate, methyl isobutyl ketone, 2-ethoxy ethanol, 2-ethoxy ethyl acetate and toluene-2.4-diisocianate and the others. These organic solvents are know as health-hazardous substances. But water-based painting materials are high-solid, low-solvent ones and consist of such two organic solvents as 2-butoxy ethanol and 2-heptanone and the others. 2. The painters using solvent-based painting materials in motor-repairing process are exposed to various organic acetate, methyl isobutyl ketone, trimethyl benzene, 2-ethoxy ethanol, and 2-ethoxy ethyl acetate. But the painters using solvent-based ones are only exposed to 2-butoxy ethanol and 2-heptanone. 3. By using water-based painting materials in stead of solvent-based painting materials containing health-hazardous organic solvents, the exposure of such organic solvents in the painter's breathing zone can be largely prevented. 4. This study recommends water-based painting materials as substitutes for the current solvent-based ones used in motor-repairing process to minimize the exposure of organic solvents to the painters.
You-Sun Kim,Seng-Jin Choi,Jun-Pyo Choi,전성규,이병재,고용송,이춘근,Jack A. Elias,Yoon-Keun Kim,Sun-Young Oh,Zhou Zhu 생화학분자생물학회 2010 Experimental and molecular medicine Vol.42 No.8
IL-4 and IL-13 are closely related cytokines that are produced by Th2 cells. However, IL-4 and IL-13 have different effects on the development of asthma phenotypes. Here, we evaluated downstream molecular mechanisms involved in the development of Th2 type asthma phenotypes. A murine model of Th2 asthma was used that involved intraperitoneal sensitization with an allergen (ovalbumin) plus alum and then challenge with ovalbumin alone. Asthma phenotypes, including airway-hyperresponsiveness (AHR), lung inflammation,and immunologic parameters were evaluated after allergen challenge in mice deficient in candidate genes. The present study showed that methacholine AHR and lung inflammation developed in allergen-challenged IL-4-deficient mice but not in allergen-challenged IL-13-deficient mice. In addition, the production of OVA-specific IgG2a and IFN-γ-inducible protein (IP)-10was also impaired in the absence of IL-13, but not of IL-4. Lung-targeted IFN-γ over-expression in the airways enhanced methacholine AHR and non-eosinophilic inflammation; in addition, these asthma phenotypes were impaired in allergen-challenged IFN-γ-deficient mice. Moreover, AHR, non-eosinophilic inflammation,and IFN-γ expression were impaired in allergen-challenged IL-12Rβ2- and STAT4-deficient mice; however, AHR and non-eosinophilic inflammation were not impaired in allergen-challenged IL-4Rα-deficient mice, and these phenomena were accompanied by the enhanced expression of IL-12 and IFN-γ. The present data suggest that IL-13-mediated asthma phenotypes, such as AHR and non-eosinophilic inflammation, in the Th2 type asthma are dependent on the IL-12-STAT4-IFN-γ axis, and that these asthma phenotypes are independent of IL-4Ralpha-mediated signaling.
운동전·후 淸暑益氣湯 투여방법이 2,000m 달리기시 선수들의 운동피로회복에 미치는 영향
유종만,이규성,강명신,오재근,최용어 韓國體育大學校附屬 體育科學硏究所 1994 韓國體育大學校附屬 體育科學硏究所論文集 Vol.13 No.1
The purpose of this study was to investigate the effects of two different chung-seo-ik-gi-tang administration types on fatigue induced during 2,000 m running in 12 healthy-male elite boxer. All subjects were divided randomly with two groups, Pre-administration Group(A: N=7) and Pre- and Post-administration Group(B: N=7) and performed 2,000 m maximal running. The blood samples were collected from antecubital vein by 10ml syranges(6ml/each) at before exercise, immediately after exhaustion, recover-10 min, recover-20 min and recover-30 min. These samples were used to analyze for the level of glucose, lactate, TG, LDH, pH, HCO₃?, Na??, K??. The statistically analyzed results of various blood parameters were summarized as follow, 1. Plasma glucose were not showed significant difference between two groups. but glucose lwvel at post-exercise and rest-30 min in B group wes significantly decreased. 2. Lactate accumulation in B group was significantly decreased at post-exercise and rest-30 min.. And lactate level at rest-30 min. was showed significant difference between two gruops. 3. Serum LDH response to 2,000 m running at post-exercise and recovary periods was showed significant changes in B group. 4. Venous pH at post-exercise, HCO₃? at post-exercise and rest-30 min. in A group and pH at post-exercise and rest-10, 20 min., HCO₃? at post-exercise were showed significant changes. But there were not showed significant difference between two groups. 5. K?? level in B group was showed significant difference compared to A group. And also K?? level at rest-30 min. in B group was showed significant change. The results indicated that Chung-seo-ik-pi-tang had the effects of ergogenic aids on fatigue and recovery during 2,000 m maximal running.
Kim, You-Sun,Hong, Sung-Wook,Choi, Jun-Pyo,Shin, Tae-Seop,Moon, Hyung-Geun,Choi, Eun-Jung,Jeon, Seong Gyu,Oh, Sun-Young,Gho, Yong Song,Zhu, Zhou,Kim, Yoon-Keun Williams Wilkins 2009 JOURNAL OF IMMUNOLOGY Vol.183 No.8
<P>Chronic inflammatory airway diseases including asthma are characterized by immune dysfunction to inhaled allergens. Our previous studies demonstrated that T cell priming to inhaled allergens requires LPS, which is ubiquitously present in household dust allergens. In this study, we evaluated the role of vascular endothelial growth factor (VEGF) in the development of T cell priming and its polarization to Th1 or Th17 cells when exposed to LPS-contaminated allergens. An asthma mouse model was induced by airway sensitization with LPS-contaminated allergens and then challenged with allergens alone. Therapeutic intervention was performed during allergen sensitization. The present study showed that lung inflammation induced by sensitization with LPS-contaminated allergens was decreased in mice with homozygous disruption of the IL-17 gene; in addition, allergen-specific Th17 immune response was abolished in IL-6 knockout mice. Meanwhile, in vivo production of VEGF was up-regulated by airway exposure of LPS. In addition, airway sensitization of allergen plus recombinant VEGF induced both type 1 and type 17 Th cell (Th1 and Th17) responses. Th1 and Th17 responses induced by airway sensitization with LPS-contaminated allergens were blocked by treatment with a pan-VEGF receptor (VEGFR; VEGFR-1 plus VEGFR-2) inhibitor during sensitization. These effects were accompanied by inhibition of the production of Th1 and Th17 polarizing cytokines, IL-12p70 and IL-6, respectively. These findings indicate that VEGF produced by LPS plays a key role in activation of naive T cells and subsequent polarization to Th1 and Th17 cells.</P>