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- 저자 : 임승현(Seung-Hyun Lim) (검색결과 110 건)
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대학생들이 지각하는 스포츠스타 이미지가 브랜드태도, 브랜드충성도, 브랜드이미지에 미치는 영향
임승현(Seung Hyun Lim),남경완(Kyung Wan Nam),이인석(In Seok Lee) 한국사회체육학회 2013 한국사회체육학회지 Vol.0 No.52
The purpose of this study was to inquire into whether characteristics of sports stars` images have positive effects on brand attitude, brand image and brand royalty, and to analyze their images which can be possessed by college students actively participating in sports activities, compared to other age-groups, corporate brand characteristics using sports stars and their correlation. In order to give basic information of sports stars` images and brand attitude, image and royalty to domestic preferred by college students, this research came to the fol-lowing conclusions by analyzing data from 393 Students of 3 colleges in “D” city and “G” province by applying descriptive analysis, factor, reliability analysis, independent samples t-test, one-way ANOVA with SPSS Win-dows 12.0. First, for appearance images of sports stars, male college students with the higher number in sports participation and higher average participation time showed high awareness of Park Tae-hwan, Lee Seung-yeop and Chu Seong-hun. Second, for their evaluation images, male junior and senior college students with the higher number of sports participation and the higher average participation time showed higher awareness of Lee Seung-yeop and Chu Seong-hun. Third, images of sports stars preferred by college students had posi-tive effects on brand characteristics, i.e., brand attitude, brand image and brand loyalty.
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토양의 온도와 수분이 크리핑 벤트그래스(Agrostis palustris Huds) 생육에 미치는 영향
임승현,정준기,김기동,주영규,Lim, Seung-Hyun,Jeong, Jun-Ki,Kim, Ki-Dong,Joo, Young-Kyoo 한국잔디학회 2009 한국잔디학회지 Vol.23 No.2
여름철 고온 다습한 우리나라 기온에서 토양 온도와 수분은 잔디의 생리학적 변화를 초래하며, 특히 한지형 잔디생육은 우리나라 여름철 기후의 특이성에 많은 영향을 받는다. 본 실험은 크리핑 벤트그래스(Agrostispalustris Huds.)를 이용하여 고온의 조건에서 각기 다른 토양 수분함량 조건에서의 한지형 잔디생육을 관찰하였다. 구체적인 실험 방법으로는 수분함량과 온도에 따른 bentgrass의 생육 및 생리적 스트레스 반응을 평가하였다. 모의 USGA(United State of Golf Association) 그린 조건에서의 토양 온도 및 열 특성 실험 결과 수분이 거의 없는 건조 상태에서의 토양 온도는 $34^{\circ}C$로 발열 했을 때 토양 표면 온도가 $80^{\circ}C$까지 올라가는 것을 알 수 있었다. 반면, 과수분 조건에서 $34^{\circ}C$ 발열을 했을 때에는 건조 조건에 비해 상대적으로 $10^{\circ}C$가 낮은 것을 알 수 있었다. 실험 포장에서의 온도와 수분에 따른 열 특성 변화는 관수시기와 무관하게 처리구 모두에서 관수 후에 열전도도(thermal conductivity), 열 확산성(thermal diffusivity), 및 토양 온도가 증가하였다. 이는 수분이 공기에 비해 상대적으로 높은 열전도도를 갖기 때문으로 사료된다. 또한, 본 실험에서 관수 초기에는 과수분 조건에 비해 수분 결핍 조건에서 토양 온도의 증가를 보였으며, 시간이 지남에 따라 과수분 조건에서 더 높은 토양 온도의 증가를 확인하였다. 즉, 토양 온도는 과수분 조건에서 열전도에 의해 높아져 잔디의 생육에 영향을 미친다. 이는 잔디 표면부 온도가 높은 시각대의 과도한 관수는 여름철 잔디의 생육에 부정적 영향을 미치며, 소나기 등에 의한 일시 침수 시 지반배수의 불량은 잔디 생육에 치명적인 요인이 될 수 있다는 것을 의미한다. The high temperature and water content in soil profile probably affect the physiological disorder especially on cool-season turfgrasses in warm and humid weather of Korean summer. The purpose of this research was to analyze the effect of soil temperature and water content on the growth and stress response of creeping bentgrass(Agrostis palustris Huds.) under a humid and warm temperature. USGA(United State of Golf Association) green profile in laboratory test, Daily temperature changes were tested under a dried sand, 70% water content of field capacity, and saturated condition at $34^{\circ}C$ of the USGA green in lab. In this test, the dried sand reached to $80^{\circ}C$, however, the surface temperature decrease of $10^{\circ}C$ on the saturated condition. In the thermal properties test in field, thermal conductivity, thermal diffusivity, and soil temperature were increased followed by irrigation practise. In the water-deficient condition, the highest soil temperature was reached temporally right after irrigation, however, the excessive soil water content higher than field water holding capacity showed the highest soil temperature after a while. This result indicated that a heat damage to root system was caused from the thermal conductivity of a high surface soil temperature. The excessive irrigation when a high turf surface temperature should occur a negative result on tufgrass growth, moreover, it would be fatal to root growth of creeping bentgrass, especially when associated with a poor draining system on USGA sand green. Overall, this study shows that high soil temperature with water-excessive condition negatively affects on cool-season grass during the summer season, suggesting that excessive irrigation, over 70% field capacity of soil condition, does not help to reduce soil temperature for summer season in Korea. In the study that cool-season grass were treated with different water content of soil, The soil had higher temperature and more water holding capacity when treatment rate of soil conditioner was increased. The best growth at the normal water condition and the worst state of growth at thee water-excessive condition were observed.
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고강도 강관과 PHC파일이 활용된 흙막이 버팀보의 좌굴해석 및 설계
임승현,김인규,김성보,Lim, Seung Hyun,Kim, In Gyu,Kim, Sung Bo 한국강구조학회 2015 韓國鋼構造學會 論文集 Vol.27 No.4
본 연구에서는 고강도 강관과 PHC pile을 활용한 흙막이 버팀보의 좌굴거동과 설계를 수행하였다. 조립기둥의 형식 세가지와, 연결방식, 버팀보의 전체길이(30m, 60m, 90m)에 따라 다양한 버팀보 시스템에 대한 좌굴해석을 하였고, 주부재의 국부좌굴 및 전체좌굴, 사재좌굴에 대해 유한요소해석을 통해 계산된 좌굴하중을 엄밀해와 비교분석하였다. 고강도강관 설계가이드와 PHC pile로 조립된 기둥의 P-M상관도를 활용하여 조립기둥의 설계를 수행하였다. The design and buckling behavior of earth retaining system supported by high strength steel pipe and PHC pile under compression is presented in this study. Buckling analysis of various strut system was investigated according to the strut total length(30m, 60m, 90m), three types of built-up columns and connection condition. Buckling loads calculated by F.E analysis was compared with the theoretical solution corresponding to diagonal buckling mode, local and global buckling mode of main strut. The design of the built-up column struts are performed based on design guide for high strength steel pipes and P-M diagram for built-up column with two PHC pile section.
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63Sn-37Pb 솔더 스트립에서의 Electromigration 거동
임승현,최재훈,오태성,Lim Seung-Hyun,Choi Jae-Hoon,Oh Tae-Sung 한국마이크로전자및패키징학회 2004 마이크로전자 및 패키징학회지 Vol.11 No.2
63Sn-37Pb 공정솔더의 electromigration 현상을 용이하게 관찰하기 위해 63Sn-37Pb 공정솔 더를 증착하여 스트립 형태의 시편을 제작 후 electromigration 테스트를 실시하였다. $80{\sim}150^{\circ}C$의 온도 및 $1{\times}10^4{\sim}1{\times}10^5\;A/cm^2$의 전류밀도에서 electromigration 테스트시 스트립 형상의 63Sn-37Pb 솔더 합금에서 hillock과 void의 발생이 관찰되었으며, 온도와 전류밀도가 높아질수록 void의 형성이 빨라져서 평균파괴시간이 단축되었다. 평균파괴시간을 이용하여 Black의 식으로부터 구한 63Sn-37Pb 솔더 스트립의 electromigration에 대한 활성화 에너지는 $0.16{\sim}0.5\;eV$이었다. To facilitate the observation of the electromigration of 63Sn-37Pb eutectic solder, strip-type samples were fabricated by solder evaporation. The electromigration test for the 63Sn-37Pb solder strip was conducted at temperatures of $80{\sim}150^{\circ}C$ and the current densities of $1{\times}10^4{\sim}1{\times}10^5\;A/cm^2$. With increasing temperature and the current density, mean-time-to-failure(MTTF) decreased due to the formation of hillock and void in the solder strip. The activation energy for the electromigration in the 63Sn-37Pb solder strip was analyzed as $0.16{\sim}0.5\;eV$ using Black's equation.
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임승현(Lim Seung-Hyun),고성경(Ko Seong-Kyeong),이종삼(Lee Jong-Sam),전중기(Jun Jung-Gi),이승욱(Lee Seung-Wook) 대구대학교 인문과학연구소 2010 人文科學硏究 Vol.34 No.-
The purpose of this study was provide the effective way of prevention injury and ultimately earlier return to the competition. It was analyzed the frequency and area of injury occurrence during competition period throughout the whole year. The causes and the time of the injury occurrence, and the way of treatment and prevention were examined from total 310 adults recreational volleyball players. Regardless of gender and position differences, it was shown that the highest injury occurrence time was the winter season and Sunday. The major causes of injuries were included that the lack of warm up exercise and the foul committed by the other team's player. As far as the movement is concerned, most if the injuries were occurred during blocking for men's games and receiving for women's game. The injury region of the body was lower extremities, ankle, arm and wrist, and waist by orderly. When the types of the injury were considered, muscle and ligament sprain and tendinitis, joint and bone problems were the major occurred was using airspray types of cataplasm. The education for the preventing of the injury prevention is tendency of increasing, and all players participating for the recreational volleyball games are being endeavored for increase their warm up time before initiate the main games.
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배드민턴 동호인의 완벽주의 성향이 운동몰입 및 소진에 미치는 영향
임승현(Seung Hyun Lim),고성경(Seong Kyeong Ko),이종삼(Jong Sam Lee) 한국사회체육학회 2011 한국사회체육학회지 Vol.0 No.43
The purpose of this study was to investigate the effect of perfectionism on sport commitment and burnout of badminton club members. The subjects of this study consisted of 350 badminton club members. The used instruments were the Perfectionism Scale by Hyun(1992), the Sport Commitment Scale by Jung(1997), and the Exercise Burnout Scale by Song(1999). The data were analyzed by correlation analysis, multiple regression analysis as a statistical method. The result of this study were as follows. First, among the subscale of perfectionism, organization positively influenced cognitive commitment. But concern over mistakes negatively influenced cognitive commitment. And organization positively influenced behavioral commitment. Second, among the subscale of perfectionism, organization positively influenced personal accomplishment. Both concern over mistakes and personal standards positively influenced depersonalization. And concern over mistakes, doubts about action, and personal standards positively influenced mental exhaustion. Third, cognitive commitment positively influenced personal accomplishment but negatively influenced depersonalization. And behavioral commitment positively influenced mental exhaustion, depersonalization, and personal accomplishment.
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