• 제목/요약/키워드: physical figure

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보수적 스포츠에의 또 다른 도전 : 여성야구인들의 갈등과 대응 (Another Challenge to Conservative Sports: Conflicts and Responses of Women Baseball Players)

  • 김인형
    • 한국체육학회지인문사회과학편
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    • 제55권2호
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    • pp.81-93
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    • 2016
  • 본 연구는 보수적인 스포츠인 야구에 도전하는 여성들이 야구 참여로 인해 직면하는 갈등 경험을 분석하고 이러한 갈등을 어떻게 대처하고 있는지를 파악하는데 그 목적이 있다. 이를 위해 여자야구연맹에 등록된 팀에 1년 이상 참가한 동호인 18명을 대상으로 심층면담을 실시하였다. 면담자료는 의미의 범주화, 개념화의 분석과정을 통해 다음과 같은 결론을 도출하였다. 첫째, 여성들의 야구활동 참여로 인한 갈등은 직장과 여가활동의 갈등, 중요타자와 여가활동의 갈등(가족의 반대와 대인관계활동의 단절), 사회문화적 편견과 여가활동의 갈등으로 나타났다. 둘째, 여성 야구 참여자들의 갈등상황의 대처방법은 설득과 타협을 통한 지지세력 만들기, 적극적 대처(나만의 길 및 삶의 우선순위), 회피적 대처(거짓말 및 갈등의 회피)로 구분되었다.

W. E. B. 듀보이스와 '니그로'의 재구성 (W. E. B. Du Bois and the Reconstruction of the 'Negro')

  • 이경원
    • 영어영문학
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    • 제55권5호
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    • pp.907-936
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    • 2009
  • Quite arguably, W. E. B. Du Bois is the first figure in the history of black nationalism who engaged most persistently and systematically with the dominant ideology of racism and white supremacy. It is not too much to say that, by contending with the Eurocentric but taken-for-granted concept of the 'Negro' in the turn of the century, Du bois has laid the theoretical and ideological cornerstone of postcolonialism today. But his concept of race varied over time and was even contradictory in the same writings. The early Du Bois defined race as something historically made rather than biologically given and determined. Yet he didn't utterly deny the significance of physical traits and skin color in constructing racial identity. His notion of the 'Negro' was not unambiguous, either. While drawing on the 'soul' of 'black folk' to undermine the Eurocentric dichotomy of white/mind and black/body, Du Bois argued that there is some kind of 'spiritual' differences between whites and blacks, differences that are essentially inherent and hereditary in the 'Negro.' Such essentialist notion of race and the 'Negro' was on the wane in the later Du Bois, especially after his encounter with Marxism. He came to think of race merely as a discourse of racism that can be subverted and even appropriated for anti-racist practices. Following the Marxist assumption that 'the color line' is a class conflict on the international level, Du Bois contended that the 'Negro' is an outcome of slavery which is in turn a subsystem of Western capitalism. He also argued that, since the 'Negro' is not a biological essence but a sociocultural formation, the identity of the 'Negro' can and must be reconstructed according to historical change. For Du Bois, therefore, the resistance against colonialism and capitalism became a resistance against racism. This is why his Pan-African movement shifted its gear from the American program in the initial phase to a truly 'Afrocentric' and socialist one.

전기차 화재 실험 및 대응방안에 관한 연구 (An Experiment Study on Electric Vehicle Fire and Fire Response Procedures)

  • 남기훈;이준식
    • 한국산업융합학회 논문집
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    • 제27권1호
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    • pp.63-70
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    • 2024
  • Lithium-ion batteries (LIB) are widely used in various sectors, such as transportation (e.g., electric vehicles (EV)) and energy (e.g., energy storage facilities) due to their high energy density, broad operating temperature (-20 ℃ ~ 60 ℃), and high capacities. LIBs are powerful but fragile on external factors, including pressure, physical damage, overheating, and overcharging, that cause thermal runaway causing fires and explosions. During a LIB fire, a large amount of oxygen is generated from the decomposition of ionogenic materials. A water fire extinguisher that helps with cooling and suffocating must be essentially required at the same time. In fact, however, it is difficult to suppress LIB fires in the case of EVs because a LIB is installed with a battery pack housing that interrupts direct extinguishing by water. Thus, this study aims to investigate effective fire extinguishing measurements for LIB fires by using an EV. Relevant documents, including research articles and reports, were reviewed to identify effective ways of LIBs fire extinguishing. A real-scale fire experiment generating thermal runaway was carried out to figure out the combustion characteristics of EVs. This study revealed that the most effective fire extinguishing measurements for LIB fires are applying fire blankets and water tanks. However, there is still a lack of adequate regulation and guidelines for LIB fire extinguishment. Taking this into account, developing functional fire extinguishment measurements and available regulatory instruments is an urgent issue to secure the safety of firefighters and citizens.

준비동작의 형태 변화에 따른 신체 움직임의 운동역학적 분석 (Sports Biomechanical Analysis of Physical Movements on the Basis of the Patterns of the Ready Poses)

  • 이중숙
    • 한국운동역학회지
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    • 제12권2호
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    • pp.179-195
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    • 2002
  • 본 연구의 목적은 현대 스포츠가 점점 스피디하고 격렬한 상황의 연출을 요구하고 있는 상황에서 순간적으로 신속 정확한 판단력과 그에 따른 재빠르고 민첩한 행동이 필요할 때가 많으므로 준비동작에 대한 운동역학적 메카니즘의 이해가 필요하다고 판단되어 연구를 실시하였다. 따라서 본 연구에서는 준비동작의 형태 변화(open stance & cross stance)에 따른 신체움직임을 운동역학적인 분석을 통하여 바람직한 준비동작의 모델을 제시하는데 있으며, 이러한 연구 목적을 달성하기 위하여 연구대상자는 부산 B대학교 핸드볼 선수인 남학생 5명과 부산 S대학교 사격 선수인 여학생 5명을 선정하여 실험하였다. 준비자세에서의 좌 우 전방향으로 이동시의 동작을 2대의 고속 비디오 카메라와 2대의 지면반력기 그리고 전신반응측정 장비를 이용하여 자료를 수집하였고, 준비자세에서의 좌 우 전방향 이동시의 메카니즘을 분석한 결과 다음과 같은 결론을 얻었다. 첫째, 준비자세에서 좌 우 전방향 이동시 cross stance 자세가 open stance 자세 보다 신체중심이동 속도가 빠른 것으로 분석되었으며, Take-off시 슬관절의 굴곡각은 약 $175^{\circ}$의 각도를 유지하고, 고관절의 굴곡각은 약 $172^{\circ}$의 각도를 유지하여 준비자세를 취하는 것이 바람직한 것으로 분석되었다. 둘째, 준비자세에서의 좌 우 전방향으로 이동시 지지시간과 지면반력분석 결과를 종합해 보면 준비동작에서 왼쪽방향으로 이동시 가장 빠른 신체중심이동 속도를 나타냈다. 셋째, 준비자세에서 좌 우 전방향 이동시 지면반력 분석 결과에서도 cross stance 자세가 open stance 자세보다는 왼발과 오른발에 체중을 적절히 분산시켜 준비동작을 수행할 수 있도록 하여 상해를 예방할 수 있으므로 cross stance 준비자세가 바람직한 것으로 분석되었다. 따라서 준비자세의 역학적인 메가니즘은 cross stance 자세가 open stance 자세보다 보다 바람직한 준비자세라고 할 수 있으나 반드시 개인차도 고려되어져야 할 것이다.

일부 대학생들의 노인에 대한 지식과 태도 및 행동에 관한 연구 (A study on the knowledges, attitudes and behaviors of some university students about the old)

  • 이정화;박의정;최정미
    • 한국치위생학회지
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    • 제11권2호
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    • pp.233-242
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    • 2011
  • Objectives : The purpose of this study is to provide the basic data for searching for the method to induce more positive knowledges and attitudes about the old from the university students majoring in dental hygienics, health and social welfare university students majoring in the old, who will face the change of aging society directly. Methods : The study selected 1 school in Busan and Daegu respectively with convenience sampling from September 2010 to October 2010, performed questionnaire(self administered questionnaire) to 401 students majoring in dental hygienics, health and social welfare and achieved following conclusions. Results : 1. When the students without the education experience about the old have negative experiences, the degree of interest in the old was high and when they have positive experiences, the attitude score about the old was high(p<0.001). 2. For education experience about the old, the students majoring in dental hygienics have the lowest experiences(p<0.001). 3. For knowledge, attitude and behavior about the old depending on major, the students majoring in social welfare have the highest interest and for the knowledge about the old in physical area, the students majoring in health have the highest knowledge(p<0.01).4. The area related with the knowledge about the old showed significant correlation in all of physical, psychological and social area(p<0.001). 5. The factors giving effects to the attitude about the old were gender(p=.006), experience(p=.003) and education experience related with the old(p=.022) and the factors giving effects to the behavior about the old were experience(p=.036) and attitude about the old(p=.000). Conclusions : It is necessary to develop actual education program that can provide preliminary dental hygienists with positive attitude about the old and reflect a lot of matters related with psychological area and social area about the old. In addition, it is necessary to establish the opportunity to understand the old through voluntary service activity related with the old in connection with local community. It is necessary to recognize the old positively by showing the positive figure.

열팽창캡슐 적용 발포폴리프로필렌의 물리적 특성 비교 (Physical Properties of Polypropylene Foam Blended with Thermally Expandable Microcapsules)

  • 하진욱;정선경;이평찬;황예진;남병국;한인수;곽성복;이재용
    • 폴리머
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    • 제39권1호
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    • pp.64-70
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    • 2015
  • 열팽창 캡슐은 코어에 위치한 발포가스가 기화온도 이상이 될 경우 캡슐을 팽창시켜 상온상태보다 큰 부피를 지닌 형태를 이루게 되는데 이러한 특성을 이용하여 플라스틱의 발포소재로 적용이 가능하다. 본 연구에서는 자동차 내외장재 용도로 가장 많이 사용되는 폴리프로필렌(polypropylene, PP)을 베이스 원료로 하여 기존 화학발포제와 열팽창 캡슐을 이용하여 PP 폼을 제조하였으며, 제조된 시편의 물리적인 특성을 비교하였다. 화학 발포제와 열팽창 캡슐을 적용하여 제조된 PP 폼은 모두 첨가된 발포제 및 열팽창 캡슐 함량 증가에 따라 시편의 밀도가 감소하였고, 인장강도를 포함한 기계적 물성 또한 감소하였다. 하지만, 열팽창 캡슐을 이용해 제조된 PP 폼의 경우는 화학 발포제를 적용하여 만들어진 시편대비 충격강도 감소량이 크지 않았다. 발포제 종류별로 상이한 물리적 특성을 분석하기 위하여 PP 폼의 매트릭스를 분석하였으며, 다른 형상의 모폴로지를 관찰하였다.

육상의 직립구조물에 미치는 지진 해일에 의한 수평 파력 및 파압에 대한 수리모형실험 (Physical Modeling of Horizontal Force on the Inland Vertical Structure by Tsunami-like Waves)

  • 박형수;;신성원
    • 한국해안·해양공학회논문집
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    • 제29권6호
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    • pp.363-368
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    • 2017
  • 지진해일은 그 파랑이 연안 도시로 범람하여 육상 구조물에 피해를 주게 된다. 육상 구조물에 미치는 파압 및 파력에 대한 연구는 육상 구조물의 안정성 설계의 중요한 요인 중 하나이다. 본 연구에서는 단순화한 박스구조물에 미치는 지진 해일의 수평 파력 및 파압에 대한 2차원 단면 수리모형실험을 수행하였다. 시간에 따른 수평 파압의 수직 분포와 파력을 파압계와 파력계를 사용하여 계측하여 상호 비교하였다. 또한, 쇄파의 형태도 다양하게 고려하여 계측하였다. 쇄파된 파랑이 입사하는 경우 구조물에 미치는 수평 파력이 최대가 되는 순간에는 수평 파압이 수직적으로 균일하였고, 그 외의 경우에는 육상 저면에 가까울수록 수평 파압이 커지는 분포를 보였다. 최대 수평 파력을 다양한 입사파랑 조건에 대한 함수로 표현하기 위해 쇄파상사계수를 사용하여 수평 파력과의 관계식을 산출하였다. 그 결과 무차원화한 수평 파력은 쇄파상사계수가 증가함에 따라 지수적으로 감소하는 경향을 있음을 보였다.

불면환자 350명의 동반증상과 심박변이도, 체성분 분석의 연관성에 관한 연구 (A Study on the Correlation of the accompanying symptoms, Heart Rate Variability and Body Component Analysis in 350 Insomnia Patients)

  • 하지원;김보경;정진형
    • 동의신경정신과학회지
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    • 제23권3호
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    • pp.47-62
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    • 2012
  • Objectives : This study is to figure the relations of the heart rate variability, body component analysis and accompanying symptoms of 350 insomnia patients. Methods : For this study we evaluated Heart Rate Variability(HRV) and body component analysis on 350 insomnia patients who visited Dongeui oriental hospital of Dongeui university from January 2008 to March 2012. The accompanying symptoms was collected based on each patient's progress note. Results : 1. There was no difference between PR, LF and VLF of male and female groups. HF was higher in the patients' of female group and LF/HF ratio was higher in the male group. The patients' group of age under 39 had higher HF, LF, VLF and LF/HF ratio than the group over 39. 2. The average of LF was the smallest, and the average of VLF was in the middle, while the average of HF was the largest. 3. Regarding patients' age and gender, as the patients' age increased, their HF, LF, VLF and LF/HF ratio decreased significantly. HF, LF, VLF, and LF/HF ratios were, however, independent on the patients' gender. As the patients' age increased, their BMI increased, while the patients' gender did not affect on their BMI. The amount of visceral fat increased with the patients' age, but wasn't dependent on the patients' gender. 4. As the patients' BMI increased, PR and LF decreased. As the patients' amount of visceral fat increased, PR, HF, LF and VLF decreased. 5. The most frequent accompanying symptoms of the insomnia patients was headache. Neither HF nor LF/HF ratio was dependant on any of the accompanying symptoms. Patients with anxiety showed significantly higher LF than those without anxiety. Patients with fatigue and physical pain showed significantly higher VLF than those without either of them. Conclusions : The study showed that as the insomnia patients age increased, the HF, LF, VLF, LF/HF ratio significantly decreased, but the BMI and visceral fat increased. The HF, LF, VLF, LF/HF ratio BMI, or the visceral fat was independent on the gender. As BMI increased, PR and LF decreased. As visceral fat increased, PR HF, LF and VLF decreased. Patients presenting anxiety had higher LF. Patients either with fatigue or physical pain had higher VLF. Neither HF nor LF/HF ratio had any significant correlation with any of the accompanying symptoms.

성인 입원화자의 운동 욕구에 관한 조사연구 (An investigational study about the needs for exercise of adult inpatients)

  • 최명애;최스미;임영미
    • 지역사회간호학회지
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    • 제5권2호
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    • pp.203-215
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    • 1994
  • The purpose of this study was to investigate the needs for exercise of adult inpatients and ultimately to provide basic data for planning nursing intervention of patients who need exercise. The tool used for this study was a structured questionnaire which consisted of 42 items. The test items were classified into seven factors. The seven factors of the needs for exercise were need for achievement, need for activity, need for affiliation, need for autonomy, need for catharsis, need for homeostasis, and need for exhibition. Subjects of this study were 127 patients in two general hospitals in Seoul, and one general hospital in Chun Ann City. The needs of exercise were identified and the data were analyzed by gender, age, occupation, education level, monthly income, size of patient room, patient group who requires exercise and the other patient group who requires bed rest, using one-way ANOVA and Scheffe test as post-hoc. The findings of this study were as follows ; 1) Among the needs for exercise of adult patients, the highest level of the needs was the need for homeostasis. The next highest was the need for achievement, then need for activity, need for catharsis, need for autonomy, need for affiliation, and the lowest was the need for exhibition. 2) Maintaining physical fitness stood first in the need for homeostasis, relieving psychological and physical powerlessness in the need for activity, mood diversion in the need for catharsis, happiness of the family in the need for affiliation, maintaining the balanced body figure in the need for exhibition, practicing planned life in the need for achievement, and improving the ability to overcome the crisis in the need for autonomy. 3) Male patients exhibited the higher level of the needs than female patients in all factors except the need for exhibition and homeostasis. 4) There was no statistical difference in the needs between age, occupation, monthly income, and the size of patient room. 5) The need for achievement was high as the level of education goes higher. 6) The patients who performed regular exercise before admission had higher needs for activity, achievement, and autonomy, compared with the patients who did not perform the regular exercise before admission. 7) There was no statistical difference in the needs between patient group who requires exercise and the other patient group who requires bed rest. The need for homeostasis was the highest in both groups. The results from this study suggest that the need for exercise of adult inpatients should be assessed before planning exercise intervention.

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굿디자인(Good Design)의 재해석 - 람스(Rams)와 노만(Norman)의 굿디자인 비교를 중심으로 (The Reinterpretation of Good Design - The Comparison between Rams and Norman)

  • 김동하
    • 디자인학연구
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    • 제16권4호
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    • pp.413-422
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    • 2003
  • 20세기 초 영, 독일의 미술과 공예협회인 독일 베르크분트(Deutcher Werkbund)로부터 산업제품을 위한 디자인 표준화의 제기와 기능주의의 새로운 미를 적용하려는 노력은 시작되었다. 같은 맥락에서 1919년 독일의 바우하우스(Bauhaus)에 의해 굿디자인은 기술과 예술의 혼합에 의해 이루어진다는 현대적 개념의 디자인이 그 뒤를 이었다. 1950-1955년, 뉴욕 MOMA(Museum of Modem Art)에 의해 행해진 소비자 교육프로그램인 굿디자인(Good Design) 전시회에 의해 그 용어는 현대적으로 사용되었으며, 굿디자인의 임무는 모던디자인을 일반대중에게 인식시키는 것이었다. 20세기 후반 이후 많은 전문가들은 각기 독특한 입장에서 굿디자인을 다양하게 정의하기 시작하였다. 그 정의는 디자이너, 기술자, 생산자, 비즈니스맨, 소비자들에게 이르기까지 각 영역의 특성에 맞게 해석되어 적용될 수 있었기 때문이었다. 디자인 학자인 람스(Rams)와 노만(Norman)은 물리적, 심리적인 관점으로부터 굿디자인을 해석하고 있으며, 기능, 미, 테크놀로지, 등에 관련해 구체적으로 굿디자인의 표준과 올바른 접근방향을 언급하고 있다. 따라서 본 연구는 굿디자인의 역사적 고찰과 정의 및 람스와 노만의 주장을 비교와 분석을 통해 굿디자인의 세부적인 기준과 정의의 관계를 정립하였으며, 최종적으로 그들이 주장하는 물리적, 심리적으로 접근한 사용자 중심의 디자인이 굿디자인임을 찾고자 하였다.

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