• Proceedings of the Korean Information Science Society Conference
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• 2000.10b
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• pp.580-582
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• 2000

본 논문에서는 현 교육의 문제점을 해결하고 학생들 개개인의 특기.적성을 살릴 수 있는 클럽활동 프로그램에 있어 기존의 방식인 손으로 직접 작업을 하던 클럽활동 부서 배정 방식을 향후 교육환경의 변화 추세에 맞추어 학교 안에서 이루어지는 교육활동을, 시간적.공간적 제약을 벗어나 자유로운 공간에서 학생 임의로 클럽활동 부서를 신청, 자동 배정할 수 있도록 PHP와 MySQL을 이용하여 시스템을 구축함으로써, 학생들에게는 정보화 교육의 극대화를 꾀하였고, 교사에게는 조직.편성.운영의 시간과 경비를 줄임으로써 교수-학습의 질을 향상시킬 수 있는 방향을 제시한다.

• Korean Journal of Applied Biomechanics
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• v.18 no.2
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• pp.85-94
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• 2008

The purpose of this study is to provide basic materials for amateur golf players or golf maniacs to learn desirable iron swing motions. This study compared and analyzed the swing motions of iron clubs(3, 6, 9) by using 3-D in three elite golf players. 1. There was no a great difference in the total of swing time by club and the time by phase was nearly similar. 2. There was no a difference in the change in a head location at address and impact by club. 3. The angle change in a right knee joint was similar by club except the difference according to the length of the club. 4. There was a subtle difference in hip rotation angle by club. 5. In each club, the same rotation angle of shoulder joint at address and impact motions contributed to accurate swing, and the maintenance of more than $90^{\circ}$ of shoulder rotation angle in top swing increased swing rotation. 6. Although subtle, the forward angle of upper body was increased with a shorter club. $30-36^{\circ}$ of forward angle of upper body was maintained at address, top swing, and impact motions.

• 한국노년학
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• v.32 no.2
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• pp.525-540
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• 2012

The study aimed to investigate the current status and policy issues of senior clubs, focusing on the senior employment programs in South Korea. The current status of senior clubs was reviewed based on their legal basis, organization, project type, finance, project performance, and operational difficulties(low revenue yields, high labor intensity and low wages, lack of funding, weakness in provision of a legal basis, etc.). The policy directions of such clubs were also defined as follows: (1) establishment of the role of senior clubs(a local senior center of job creation projects, an execution entity of business senior employment programs matching the regional characteristics, and a center for community change through the promotion of awareness of the problems of and related to the elderly and through empowerment of the elderly); (2) improvement of the quality of jobs(need-based and sustainable job creation, quality improvement in education, improvement of the elderly practitioners' working conditions, and collaboration and partnerships among the public-private sectors); and (3) legislation and amendment of senior employment programs.

• Proceeding of EDISON Challenge
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• 2016.03a
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• pp.598-603
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• 2016

현대의 스포츠는 과학기술의 발전과 함께 성장하고 있고 골프종목 역시 재료역학적, 공기역학적 발전에 따라 비거리를 점점 늘려가고 있다. 하지만 현재까지의 비거리에 대한 연구는 골프공과 골프채의 재료의 변화와 딤플이 있는 골프공의 공기역학적 연구에 집중해 있었고 요즘에 들어서야 클럽헤드의 공기역학적 형상에 대한 연구가 활발히 진행되고 있다. 본 연구에서는 골프 경기 중 가장 먼 비거리를 만들어 내는 골프채인 드라이버의 단순화된 2차원 클럽헤드 형상을 설정하고 항력을 줄일 여러 가지 방법을 적용하여 최소의 항력을 갖는 헤드 형상을 찾아보았다. 연구결과 $10.2^{\circ}$의 로프트를 갖는 클럽헤드는 chord 길이가 face 높이의 3.2배이고, trailing edge가 face의 중심보다 전체 face높이의 10% 아래에 있을 때 가장 적은 항력을 얻을 수 있었다. 결과적으로 이 형상과 기존형상의 스윙 속도 차는 약 2mph로 5yard의 비거리 차이를 가져온다.

• Journal of the Korean School Mathematics Society
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• v.21 no.2
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• pp.183-206
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• 2018

It arises that teachers' professional competence should be considered not only with a cognitive perspective but also with a situative perspective. In this study, we considered mathematics teacher noticing as situational professional competencies of a mathematics teacher, and explored how mathematics teachers noticing on children's development of reasoning about variability in a video club has changed with the situative perspective. Findings illustrate that the 'interpreting' component among the three components of noticing-attending, interpreting, and deciding how to respond-was critically decisive for the change of the participant teachers' noticing. We also discussed how the video club intervention(the framework of children's development of reasoning about variability) can support the development of teacher noticing as a professional competence. This study has implications on the design of a video club to improve mathematics teacher noticing.

• Communications of Mathematical Education
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• v.14
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• pp.163-176
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• 2001

대부분의 수학 수업이 알고리즘을 숙달시키고, 기계적으로 익힌 절차에 의해 정답을 맞추는 것에 중점을 두어 왔기 때문에, 학생들은 수학은 딱딱하고 어렵고 재미없는 과목이라는 인식을 많이 하고 있다. 그러나, 수학 수업에서 수학 교구의 조작 활동을 한다면 수학적인 흥미를 유발할 수 있을 뿐만 아니라 추상과 형식적인 수학으로의 발달을 돕고 학생들이 활동적으로 수업에 참여할 수 있게 된다. 이러한 맥락에서 제 7차 교육과정의 '도형'영역에서는 조작 활동을 통한 자기 학습능력 개발에 중점을 두고 주위의 실제 생활에서 볼 수 있는 사물을 관찰하여 그 성질을 추상해 낼 수 있도록 구체적인 교구를 이용하는 조작 활동을 강조하고 있다. 본 연구에서는 이러한 관점에서 정규 수학 수업이 아닌 일선학교의 클럽 활동 시간을 이용하여 학생들이 수학 교구를 충분히 조작하고 활용할 시간을 제공하며, 학생들이 수학 교구의 조작 활동을 통한 클럽활동이 학생들의 수학적 성향 및 능력 수준에 따른 도형 학습능력에 어떠한 변화를 미치는 지를 사례를 중심으로 논의하고자 한다.

• Transactions of the Korean Society of Mechanical Engineers
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• v.16 no.5
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• pp.992-998
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• 1992

This paper presents a method for dynamic analysis of golf club. In the analysis, the sweet spot of golf club is defined based on the magnitude of torsional vibration, and transfer matrix method is employed for numerical calculations. It is shown that the calculated natural frequencies, mode shapes and transfer function agree well with the experimental results.

• Journal of the Korea Convergence Society
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• v.8 no.8
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• pp.333-343
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• 2017

This study aimed to narrate the feature of a north korean refugee child at an elementary school in south korea through badminton sports cub activity. The narrative was as follows. Dongsik was unhappy at the first time in living here(south korea). After a while he had encountered badminton activity by chance. And he changed his life at the school and he has his own dream now. Teacher choi has remembered the first meeting with Dongsik. Dongsik was a boy who did not talk with anyone. After a long time Dongsik spent his life without uttering a word. Now he has a talk about his dream due to badminton. He dreams of being a badminton player. What is primarily important for north korean refugee children is educational direction. School eduction has to integrate not segregate to participate in all program together. We all have to take both expectation and confidence for north korean refugee children.

• Korean Journal of Applied Biomechanics
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• v.19 no.2
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• pp.287-296
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• 2009

This is written to present basic shot information among iron clubs and information of weight shift, because previous study conducted on all clubs was rut enough. This article is about shot analysis of iron club 3,4,5,6,7,8,9 and weight movement, conducted on four skilled golf players and four students who major in golf and are less than three years. The analysis of long and short irons showed statistically meaningful different results for all the participants but iron clubs of 3,4,5 didn't in head speed and ball speed. The skilled group showed better results in head speed, ball speed and direction, Launch angle than the unskilled group. In weight shift movement analysis, the unskilled group moved, on back swing top, their more weight(65.36%) but the skilled group was on their left foot (70.21%)when clubs were on impact moment. It shows that the skilled group put on power more efficiently by moving weight.

• Proceedings of the Korea Society for Energy Engineering kosee Conference
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• 2000.11a
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• pp.3-14
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• 2000

미래를 예측하는 것은 어떤 의미에선 힘들지 않다. 그것은 미래를 예측하는 데는 상상할 수 없을 정도로 우리가 고려해야 할 인자가 많아 완전한 예측은 불가능함으로 별로 주저하지 않고 불확실한 사실도 예언하고 책임을 지지 않는데 우리는 익숙해 있기 때문이다. 과거에 누구도 오늘의 인류문명을 내다보지 못했으며 더구나 앞으로 일어날 변화를 확신을 갖고 예측하는 것은 점점 더 힘들어지고 있다. 로마클럽의 보고서 "성장의 한계"도 출판 당시는 세계를 떠들석하게 했지만, 지금에 와서는 과거의 기념비적 사건으로 묻혀버리고 만 것을 보아도 알 수 있다.(중략) 수 있다.(중략)