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열충격 시험을 통한 MLCCs SAC305 무연 솔더 접합부의 IMCs 성장과 접합특성 저하에 관한 연구
정상원,강민수,전유재,김도석,신영의,Jung, Sang-Won,Kang, Min-Soo,Jeon, Yu-Jae,Kim, Do-Seok,Shin, Young-Eui 한국전기전자재료학회 2016 전기전자재료학회논문지 Vol.29 No.3
The bonding characteristics of MLCCs (multi layer ceramic capacitor, C1608) lead-free solder (SAC305) joints were evaluated through thermal shock test ($-40^{\circ}C{\sim}125^{\circ}C$, total 1,800 cycle). After the test, IMCs( intermetallic compounds) growth and cracks were verified, also shear strengths were measured for degradation of solder joints. In addition, The thermal stress distributions at solder joints were analyzed to compare the solder joints changes before and after according to thermal shock test by FEA (finite elements analysis). We considered the effects of IMCs growth at solder joints. As results, the bonding characteristics degradation was occurred according to initial crack, crack propagations and thermal stress concentration at solder-IMCs interface, when the IMCs grown to solder inside.
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우리나라 학생들의 그림자 교육(shadow education)에서의 선행학습에 대한 질적 연구
정상원(Jung Sang Won),정정훈(Jung Jung Hoon) 학습자중심교과교육학회 2019 학습자중심교과교육연구 Vol.19 No.17
대다수의 한국 학생들은 사교육 영역에서 선행학습을 하고 있다. 이러한 선행학습은 학교에서의 학습을 질을 떨어뜨리는 요인으로 비판받고 있다. 이러한 비판은 심층적인 경험적 연구에 기초하지 않은 상황에서 제기되고 있다. 이에 이 연구는 질적연구방법을 통해 선행학습이라는 한국의 독특한 교육/학습 현상을 이해하고자 하였다. 연구 결과로서 이 연구는 사교육 기관에 따른 선행학습의 형태와 선행학습의 유형을 분석하였으며, 이러한 선행학습이 가지는 교육과정적 특징을 규명하였다. 나아가 선행학습이 학생들의 학습에 미치는 영향을 논의하였다. 이 연구는 사교육에서 이루어지는 선행학습의 실체를 보다 명료하게 밝힘으로써 한국 학생들의 학습과 그들의 학습문화를 이해하고 나아가 우리나라 교육 발전을 위한 시사점을 제공할 수 있을 것이다. Most Korean students participate in preview learning in shadow education space. Preview learning has been attributed to damaging the quality of students’ learning in school classes. Yet, such criticism is not grounded by in-depth understanding of the phenomenon and students’ experience in it. Thus, this study is to understand preview learning through qualitative research methods. As a result, this study sought to ascertain the forms of preview learning at different shadow education types and discusses the curricular characteristics of the forms of preview learning. Furthermore, this study discusses the effects of preview learning on individual students’ learning. Additionally, this study offers implications for educational development in South Korea and understanding students’ learning culture.
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골프연습장 이용객(대학 및 사설)의 고객만족, 운동몰입, 운동만족도 비교 분석
정상원(Jung, Sang-Won) 한국사회체육학회 2015 한국사회체육학회지 Vol.0 No.59
This study was designed to analysis consumer satisfaction, exercise immersion, exercise satisfaction of Indoor golf practice place users(university and private facility). In this study, questionnaire was used to compare consumer satisfaction, exercise immersion, exercise satisfaction of Indoor golf practice place users(university and private facility). The 365 subjects(man 201, female 164) were selected from indoor golf practice place (university and private facility). The 5% level of significance was used as the critical level for acception of the hypothesis in this study. On the basis of the results analyzed in this study, the conclusion could be drawn as follows. 1. The fare satisfaction of consumer satisfaction was significant difference according to sex, female appeared to higher than man. The exercise workout passion, exercise exploration, exercise self-esteem was significant difference according to sex, man appeared to higher than female. The interpersonal skill satisfaction was significant difference according to sex, man appeared to higher than female. 2. The Consumer Satisfaction, Exercise Immersion, Exercise Satisfaction not appeared significant difference according to age. 3. The exercise workout passion, exercise exploration,was significant difference according to sex, high education career appeared to higher than low education career. In the exercise self-esteem, interpersonal skill satisfaction, high education career appeared to higher than low education career. 4. The program satisfaction and leader satisfaction was significant difference according to job, personal self-working appeared to higher than service and sales job. In the exercise workout passon, the special job appeared to higher than the other job 5. The program satisfaction and leader satisfaction, fare satisfation was significant difference according to managing facility type, the university facility appeared to higher than the private facility. 6. The sub item of consumer satisfaction, exercise immersion, exercise satisfaction was significant correlation.
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스포츠 산업의 효율적 운영관리 방안 고찰 ( 스포츠 서비스 사업을 중심으로 )
정상원(Sang Weon Jung),박기주(Ki Ju Park) 한국사회체육학회 1995 한국사회체육학회지 Vol.4 No.-
This study was designed to enforce competence power of commercial sport organization in marketing strategy dimension. The object of this study is to establish the future operation direction through the analy sis of relation data and book with the basis theory about sport marketing and sport management. On the basis of the results analyzed in this study, the conclusion could be drawn as follows. 1. Accordins to variation of life pattern, increase of nation income and leisure time, the sport service business will be increased rapidly in quality and number. 2. The successful operation of sport club will be depended on selection of qualitiable staff. 3. The marketing strategy variables for efficiential managing of sport center are in the tarket selection for market development, image strategy, membership seller price strategy, promotion strategy, staff selection. 4. The success of sport organization is related with efficiential managing of daily operation action (order of organization inner, membership safety order, guide of quest, proshop operation, frontdesk operation, equipment managing)
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아동들의 운동유형에 따른 생활방식과 학습능력의 연계성 비교
정상원(Sang Won Jung) 한국사회체육학회 2013 한국사회체육학회지 Vol.0 No.52
This study was designed to establish the relationship of lifestyle and learning ability according to exercise type of children. In this study, life style questionnaire and learning ability testpaper were used to study empiri-cally relationship of lifestyle and learning ability according to exercise type of children. The 118 subjects were selected from 7 elementary school(soccer 28, volleyball 30, baseball 30, non sport 30). The 5% level of significance was used as the critical level for acception of the hypothesis in the study. On the basis of the results analyzed in this study, the conclusion could be drawn as follows. 1. The learning action comparison of indoor sport and outdoor sport appeared to nonsignifant difference but, the vocabulary ability, reasioning ability, arichmetic ability, spatial ability related to learning ability showed signifant difference. Generally, Indoor sport children appeared to better than outdoor sport children, the vol-leyball children appeared to better than the soccer children, the baseball children in learning ability. 2. According to sport type, the vocabulary ability, reasioning ability, arichmetic ability, spatial ability, con-centration ability showed signifant difference. The vocabulary ability appeared to order of nonsport, volleyball, baseball, soccer. In the reasioning ability and spatial ability, the volleyball children appeared to better than the soccer children, the baseball children, nonsport children. 3. The self control, nihility, sport, brand appeared to signifant difference according to exersice place type(in,out). The indoor sport children showed signifant score better than the outdoor sport children in the self control, sport but, the outdoor sport children showed signifant score better than the indoor sport children in the nihility, brand. 4. The lifestyle of children showed signifant difference according to exercise type. The achievement, self control, sport, brand showed signifant difference according to exercise type. The baseball and volleyball children showed signifant result better than the soccer and nonsport children in the achievement, sport. 5. The self control of the baseball children showed the positive relationship with reasioning ability. 6. The self confidence, sport, affirm, achievement, selfcontrol of the nonsport children showed the positive relationship with reasioning ability, spatial ability, remember ability, concentration power.
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초등학교 교사들의 라이프스타일과 스포츠활동 유형 및 스포츠관심도의 유기적 관계 연구
정상원(Sang Won Jung) 한국사회체육학회 2007 한국사회체육학회지 Vol.0 No.31
This study was designed to establish actual relationship about life style and sport activity pattern and sport concerning level of elementary school teacher. In this study, questionnaire was used to investigate empirically various sport patterns and sport concerning level and life style of elementary school teacher. The 366 subjects were selected from elementary school in gyeongnam province, who were classified into demographic variable(sex, education career, physical education major, district) and asked to this questionnaire. The subjects were asked to various items belong to each variable. This questionnaire consisted of three-alternative choice pattern of nominal scale, ordinal scale, interval scale on the basis of A.I.O items and demographic variables. The 5% level of significance was used as the critical level for acception of the hypothesis in this study. On the basis of the results analyzed in this study, the conclusion could be drawn as follows. 1. The life style of teacher showed very low level about brand and nihility and showed very high level about self-control and affirm. 2. According to sex, the life style of women teacher showed very high level about fashion, health, confidence and the man teacher showed very high level about achievement, sport. 3. The most doing sport of element school teacher appeared to ball game sport and showed significant difference according to sex, education career, district. 4. The wanting sport of future appeared to lacket sport and swimming, the special point of this study was golf choice of teachers. The teacher selected more golf than other sport(dance, bowling, cycle...). 5. For early education of children, teachers selected swimming to first, dance to secondary. 6. The most teacher exercised 2-3times per week, showed significant difference according to sex, education career, physical education major. In the education career, the exercise frequency of the 6-10years teacher was very low and the high education career teacher was very high. 7. In the sport related monthly used fee, the most teacher appeared to the low of 50,000won. 8. The unexercise reason of appeared to order of time lack, lack of space and ficility, interest lack, fitness lack, money lack.
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