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TSC 합성보의 제작방법에 따른 구조적 거동에 관한 실험적 연구
이지운,김도훈,김성배,이창남,김상섭,김규석 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Composite action can be achieved by providing shear connectors between steel top flange and concrete topping. Composite sections have larger stiffness than the summation of the individual stiffness of slab and beam, therefore, can carry larger load or similar loads with appreciably smaller deflection and are less prone to transient vibration. T-type Steel Composite beam(TSC-beam) is developed and tested. To make the part of steel beam, we used the way of welding two steel plates as well as the way of folding one steel plate.
오리엔탈소스 훈제굴(Crassostrea gigas) 통조림의 제조공정 최적화 및 관능특성
이지운,윤인성,권인상,김진수,이정석,허민수 한국수산과학회 2022 한국수산과학회지 Vol.55 No.3
In this study, we aimed to optimize the blending conditions of sunflower oil (A), water (B), and oriental sauce (C) for canned smoked oysters Crassostrea gigas in oriental sauce (SOO). Using response surface methodology (RSM), we found that the optimal independent variables [X1, A/(B+C); X2, B/C] based on the salinity (Y1) amino acid nitrogen content (Y2), and overall acceptance (Y3) of high-quality SOO were 48.7% (w/w) for sunflower oil, 25.5% (w/w) for water, and 25.8% (w/w) for oriental sauce. Under optimal conditions, the experimental values of Y1, Y2, and Y3 were 1.68±0.4 g/100 g, 155.4±2.4 mg/100 g, 6.2±0.23 score, respectively, which were not significantly different from the predicted values (P<0.05). The SOO prepared under optimal conditions had a higher overall acceptance than commercial canned smoked oysters. These results suggest that developing canned smoked oysters in oriental sauce can be industrialized, and the product is predicted to be competitive in the global market.
고교농구 선수들이 지각한 자기효능감이 운동몰입과 선수생활 만족도에 미치는 영향
이지운,권민혁 한국웰니스학회 2021 한국웰니스학회지 Vol.16 No.3
The main purpose of this study is to investigate the relationship between exercise commitment and player's life satisfaction in relation to the self-efficacy perceived by high school basketball players. To achieve this goal, basketball players who are currently attending high school in the year 2020 were selected as the population. The method used a convenience sampling method, which eventually extracted and analyzed 500 people. The survey tool used a questionnaire to conduct a multiple regression analysis using the 23.0 Version for the SPSS/PC Window. As a result, the following conclusions were obtained. First, self-efficacy showed to partially affects the exercise commitment Second, self-efficacy showed to partially affects the athletes' life satisfaction. Third, the exercise commitment showed to have a significant impact on athletes' satisfaction with life. 이 연구의 목적은 고교농구 선수들이 지각한 자기효능감이 운동몰입과 선수생활만족도의 관계를 규명하는데 주된 목적이 있다. 이러한 목적을 달성하기 위하여 2020년 현재 고등학교에 재학하고 있는 농구 선수들을 모집단으로 선정하였다. 표집방법은 편의표본추출법(convenience sampling)을 사용하였으며, 최종적으로 500명을 추출 분석하였다. 조사도구는 설문지를 사용하였으며, 통계프로그램 SPSS/PC Window용 23.0 Version을 이용하여 다중회귀분석(Multiple Regression Analysis)을 실시하였다. 구체적인 연구 결과는 다음과 같다. 첫째, 자기효능감은 운동몰입에 부분적으로 유의한 영향을 미치는 것으로 나타났다. 둘째, 자기효능감은 선수생활만족도에 부분적으로 유의한 영향을 미치는 것으로 나타났다. 셋째, 운동몰입은 선수생활만족도에 유의한 영향을 미치는 것으로 나타났다.