• Title/Summary/Keyword: 펜싱

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Study on Front Side Metallization of Crystalline Silicon Solar Cells Using a Screw Pumped Dispenser (스크류 펌프 디스펜싱 인쇄를 이용한 결정질 실리콘 태양전지 전면전극 제작에 대한 연구)

  • Chung, Hae Wook;Shin, Dong-Youn
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.41 no.5
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    • pp.365-372
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    • 2017
  • Finger electrodes on a crystalline silicon solar cell are required to be constructed as narrow and thick as possible in order to minimize shading losses and electrical resistance. The most common means to construct high-aspect ratio finger electrodes has been screen-printing, but it has difficulty achieving fine finger electrodes because the as-printed finger width is generally wider by 1.3-2.2 times the screen opening width. Consequently, it requires an extremely small screen opening (below $30{\mu}m$) in order to achieve a finger width below $40{\mu}m$. However, the use of such a small screen opening could result in various problems, such as high printing pressure, defective transport of silver paste, and high electrical resistance due to unfavorable mesh marks left on the finger electrodes. In this study, dispensing printing with a screw pump is introduced as an alternative to conventional screen-printing and its unique traits in the front side metallization of crystalline silicon solar cells is discussed.

Learning Assistant System Using Geofencing Technology (지오펜싱 기술을 이용한 학습 지원 시스템에 관한 연구)

  • Park, Hee-Sook
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.23 no.6
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    • pp.631-636
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    • 2019
  • In recently, various kinds of services utilizing the location information of the user's smart phone have appeared. Based on this trend, we designed a new type of learning assistant system that utilizes geofencing technology, which is a field of location information technology. This system identifies the location of the classroom using the location information of learner's the smart phone and automatically provides the necessary learning contents to the learner's smart phone when the learner enters the classroom set as the virtual fence area while carrying the smart phone respectively. Our system provides learning contents in a form similar to the form of a message or a mobile coupon and learners are used to such mobile service environments very much. So the use of learning contents provided by our system is expected to help improve the learning effect of learners.

The change of Psychological skills strategy and Self-management behavior according to the level of Resourcefulness of Fencing-Athlete (대학 펜싱선수들의 심리교육 효과: 자원동원성 수준에 따른 심리기술과 자기관리행동의 변화를 중심으로)

  • Lee, Hyun-Young;Chang, Duk-Sun
    • 한국체육학회지인문사회과학편
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    • v.54 no.5
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    • pp.251-260
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    • 2015
  • The purpose of this study was to change of Psychological skills strategy and Self-management behavior according to the level of Resourcefulness of collegiate fencing-athletes. Methods: This study was a single case for 12-week intervention. and it took about 60-90 minutes, once a week. Participants were 154 Student athletes and 20 fencing-athletes. The effect of this study was utilized a questionnaire. To analyze the responses of research, the paired t-test were used for finding the significances of mean differences(p<.05). After 12 week education session the results are as follows: Firstly, high group of Resourcefulness showed greater increase in Attention and Image. low group of Resourcefulness showed greater increase in Will power, Goal Setting, Confidence, Attention, Image. Secondly, high group of Resourcefulness showed greater increase in Physical management. low group of Resourcefulness showed greater increase in Training management. fencing-athletes were significantly increased of capacity for Performance and self-management according to the level of Resourcefulness, after 12-weeks. This study suggested useful information about sport psychological skills training and intervention of fencing-athletes.

A Survey on Self-reported Health and Eating Habit of Elite Female Adolescent Athletes in Incheon by Sport Type (인천지역 대표 중고등학교 여자 선수의 운동경기 종목별 건강 및 식습관에 관한 조사)

  • Sung, Hyuni;Chang, Kyung-Ja
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.34 no.3
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    • pp.366-373
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    • 2005
  • This study was carried out to investigate the self-reported health and eating habit of the elite female adolescent athletes in Incheon. The subjects were 102 elite female athletes of middle and high schools located in Inchon. A self-administered Questionnaire was used for this cross-sectional survey. Statistical analysis by two-way ANOVA was performed to discriminate between the main effects of age (as middle and high school athletes) and sports type, and their interaction. As use of nutritional supplements, 35.8% of the total subjects took vitamin and iron supplements and 62.5% of field and track athletes took vitamin and iron supplements. While mental stress related to exercise was much in fencing &gt; shooting &gt; field and track &gt; swimming athletes, physical burden during training was higher in swimming &gt; field and track &gt; fencing &gt; shooting athletes. More than half of the subjects showed irregular menstrual cycle. As the most severe problem of eating habit, they reported skipping meal &gt; overeating &gt; prejudiced meal &gt; preference to salty and spicy foods. More than half of the subjects skipped meal over three times per week. Fencing and shooting athletes showed very significantly higher frequency of skipping meal and more irregular breakfast time compared to those of other sport types. As for snack, they ate cookies, carbonated drink, chocolate, candy &gt; milk, yogurt, ice cream &gt; cake, bread, rice cake &gt; fried noodle &gt; hamburger, pizza. Therefore, nutritional counseling and education by sport type are necessary for health and good eating habit of these elite female adolescent athletes.

우리 '건축사' 지의 내일을 기대하며

  • Korea Institute of Registered Architects
    • Korean Architects
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    • no.12 s.248
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    • pp.69-73
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    • 1989
  • 본 협회는 지난 3월 29일 잠실 올림픽공원내 펜싱경기장에서 개최된 전국건축대회에 즈음하여 참석회원을 대상으로 편찬ㆍ홍보위원회가 주관하여 ‘건축사지 발전방향에 관한 설문조사’를 실시하여 ‘90년대를 향한 한국건축의 정론지로서의 위상정립을 위한 방안을 모색해 보았다. 이날 대회에 참석한 3천여 회원을 대상으로한 설문조사 결과 응답자 1,015명의 회신을 편찬ㆍ홍보위원회 (책임정리:목원대 김정동 교수)에서 분석한 결과를 정리 하였다. 정리된 내용이 협회지 발전에 개진되기를 바라며 본 설문조사를 위해 적극 협력해 주신 회원 여러분께 감사를 드린다.

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Development of Response Time Measuring Apparatus for Fencing (펜싱 훈련용 반응시간 측정장치 개발)

  • Gil, Se-gi;Lee, Sang Cheol;Hwang, Jong-Hak;Kim, Tae-Wan;Jung, Jin-Uk;Lee, Hyo-Geun;Han, Yeong-Hwan
    • Journal of rehabilitation welfare engineering & assistive technology
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    • v.10 no.4
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    • pp.315-320
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    • 2016
  • In this study, we developed a response time measuring apparatus for fencing which can use fencing athlete's own electric sword and connectors. The measuring apparatus designed to be connected to upper back of dummy body and it's position can be changed by spinning itself. And it operates like a closed circuit composed of dummy helmet, the apparatus, reel signal connection, connector and electric sword of athlete. This measuring apparatus can provide response time to athlete immediately which response time is measured from the time of indicating random signal of light and sound to the time of attacking dummy by athlete. we carried out pilot test for couch and athlete of national fencing team and could validate availability of this system.