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RISS 인기검색어
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- 저자 : 金性俊(Song Jun Kim) (검색결과 36 건)
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김성준(Kim Sung-Jun),이근춘(Lee Geun-Chun),송선희(Song Sun-Hee) 한국체육과학회 2009 한국체육과학회지 Vol.18 No.2
The purpose of this study was to verify the differences of competitive anxiety causes on sex, golf career, skill level in golf players(KPGA, semipro, university golfer, high school golfer) and to identify the style of attentional focus according to high group/low group of the anxiety causes. The participants was 125 golfers who were athletes of high school, university and semi-pro, KPGA golfers. They have answered the questionnaires about competitive anxiety causes developed by kim ki ung et al.(1986), TAIS developed by Nidiffer(1976). The results were as follows; First, there was significantly differences between male and female on competitive anxiety causes factor depends on lack of confidence. Second, there was significantly differences between career high group and career low group on competitive anxiety causes factors depends on burden on expectancy, unfamiliarity of facilities, discontent of training. Third, there was significantly differences between KPGA golfer and university golfer/high school golfer on competitive anxiety causes factors depends on fear of failure, burden on expectancy, unfamiliarity of facilities. there was differences between semi-pro golfer and high school golfer on competitive anxiety causes factor depends on trouble among round teammates. Fourth, there was significantly differences between competitive anxiety causes high group and competitive anxiety causes low group on attentional focus factors depends on lack of confidence, fear of failure, burden on expectancy, unfamiliarity of facilities, trouble among roud teammates, fear of injury, personality of player.
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감액 특성 향상을 위한 하이브리드(Sb/Ca) 액식 연축전지 개발
송승윤,임태섭,김성준,정연길,양승철,Song, Seung Yun,Lim, Tae Seop,Kim, Sung Jun,Jung, Yeon-Gil,Yang, SeungCheol 한국재료학회 2022 한국재료학회지 Vol.32 No.3
One disadvantage of deep cycle flooded lead-acid batteries is increasing water loss caused by use of (+) Pb-Sb / (-) Pb-Sb alloy grid. Water loss is generated by the emission of hydrogen gas from the (-) electrode during battery charging. In this paper, we maintain cycle life aspect through the development of hybrid flooded lead-acid batteries to which a (+) Pb-Sb / (-) Pb-Ca grid is applied and deal with the improvement of water loss. The amount of water loss compared to that of the (-) Pb-Sb grid decreased when Ca was added to the (-) Pb grid. For the (-) Pb-Ca grid, it was confirmed that the time to reach 0.0 V, at which water decomposition occurs, was increased compared to that of the (-) Pb-Sb grid at the NPV (Negative Potential Voltage). In the cycle life test conducted with the BCI (Battery Council International) standard, compared to the (+) Pb-Ca grid, the (+) Pb-Sb grid increased the life cycle of the batteries and the (+) Pb-Ca grid showed an early end of life due to PbO corrosion layer generation, as determined through SEM / EDS and Tear Down analysis. In conclusion, by addition of Sb to (+) Pb grid and Ca to (-) Pb grid, we developed a hybrid flooded lead-acid battery that meets user requirements to improve water loss characteristics and preserve cycle life characteristics.
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학교도서관 이용에 대한 플로우 경험과 만족도의 인과관계에 관한 연구
이병기,송기호,김성준,Lee, Byeong-Ki,Song, Gi-Ho,Kim, Sung-Jun 한국도서관정보학회 2015 한국도서관정보학회지 Vol.46 No.3
국내외의 학교도서관 기준은 학생이 학교도서관을 통해 유익하고 즐거운 경험을 하도록 역할을 수행할 것을 제시하고 있다. 이 연구는 칙센트미하이의 플로우 이론을 학교도서관 이용상황에 적용하여 학생의 플로우 경험이 학교도서관 이용만족도에 미치는 영향관계를 분석하였다. 이를 위해 학교도서관 이용만족도를 종속변수로, 플로우를 매개변수로, 그리고 플로우에 영향을 미치는 요인으로 학교도서관 이용기술, 학교도서관 이용에 대한 도전의욕, 학교도서관 이용형태, 학생의 학습유형을 선정하여 이들 변수 사이의 인과관계를 중심으로 연구모형을 설정하였다. 설문조사는 전국 293명의 학생을 대상으로 실시하였고, 구조방정식 모형을 통해 자료를 분석하였다. 분석결과 변수의 전반적인 인과관계는 학교도서관 이용기술이 이용유형에 영향을 미치고, 이용유형은 학생의 학습유형에, 그리고 학생의 학습유형은 플로우를 거쳐 학교도서관 이용만족도에 영향을 미치는 구조로 나타났다. 통계분석 결과를 통해 학교도서관의 이용만족도를 높이기 위해서는 학생의 플로우 경험을 확대하고, 도서관 이용기술의 수준을 높일 필요가 있다는 점을 확인하였으며, 그 방안을 사서교사의 구체적 역할과 관련지어 제시하였다. The domestic and foreign standards of school libraries suggest that school library should be run to give useful and pleasant experiences to students. This study applies Csikszentmihalyi's 'flow theory' to analyze the relationships between students' flow experience and their satisfaction about school libraries use. The variables selected in this study are students' satisfaction, flow experience, library skill, challenge of library use, types of library use and students' learning styles. The research model is designed by using these 6 variables in this study. The data are collected from 293 students and analyzed by structural equation modeling. The results of this study are as follows: The entire casual relationships show that library skills influence in types of library use, types of library use affect students' learning styles and students' learning styles influence in satisfaction through flow. To improve students' satisfaction about school library use, this study proposes effective ways related to teacher librarians' role performances to expand students' flow experience and increase their library skills.
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지역사회 획득 메치실린 내성 포도알균에 의한 포도알균 열상 피부 증후군의 임상적 고찰
허순영,송윤정,김성준,박선영,강두철,마상혁,Heo, Soon Young,Song, Yoon Jeong,Kim, Sung Jun,Park, Sun Young,Kang, Du Cheul,Ma, Sang Hyuk 대한소아감염학회 2007 Pediatric Infection and Vaccine Vol.14 No.1
목 적 : 포도알균 열상 피부 증후군(Staphylococcal Scalded Skin Syndrome)은 포도알균의 피부박탈성 독소에 의하여 전신성 수포와 낙설을 일으키는 포도알균의 피부 감염증의 한 형태이다. 환자들의 임상양상과 치료의 결과, 합병증 등을 알고 자 본 연구를 시행하였다. 방 법 : 2002년 2월부터 2005년 12월까지 특징적인 피부병변을 보여 포도알균 열상 피부 증후군으로 진단된 53명의 환자들을 대상으로 의무기록을 후향적으로 검토하였고 임상형을 전신형, 중간형, 부전형 등으로 분류하고 2003년 9월이후 부터 발생한 환자의 비강 내 검체를 이용하여 원인 균 및 독소를 규명하였다. 결 과 : 1) 연구기간 동안 4S로 진단되어 치료한 환자는 총 53명이었다. 발병연령은 생후 20일부터 7세까지 분포하였으며, 평균연령은 2.8세였다. 성별은 남자가 35명이었고 여자는 18명으로 남여 성비는 1.9:1이었다. 2) 임상적인 유형은 전신형이 6례(11%), 중간형이 29례(55%), 부전형이 18례(34%)로 중간형이 가장 많았다. 대부분의 환자에서 혈액 검사 상 백혈구 증다증이나 C반응단백의 증가는 없었다. 3) 2003년 9월 이후에 15명 환자의 비강에서 얻은 검체 중 14명의 환자에서 얻은 검체에서 포도알균을 분리하였고 피부박탈성 독소는 독소 B의 유전자를 확인하였고 Panton-Valentine leukocidin의 유전자는 음성으로 나왔다. 4) 입원하여 치료받은 환자의 경우 평균 입원 기간은 7.3일이었으며 사용한 항생제는 amoxacillin/clavulanate, ampicillin/sulbactam, cefuroxime, vancomycin 등이었다. 모든 환자에서 전신적인 낙설이 나타났으며 임상형이나 사용한 항생제 종류에 관계없이 모든 환자가 특별한 합병증이 없이 회복이 되었다. 결 론 : 창원과 인근 지역에서 단기간 내에 지역사회 획득 메치실린 내성 포도알균감염으로 인한 다수의 4S 환자가 연속적으로 발생하였으며 원인은 피부박탈성 독소 B이었다. Purpose : Staphylococcal scalded skin syndrome (4S) is a well known disease defined by clinical, microbiological and histological criteria caused by Staphylococcus aureus. This disease is uncommon but has been increasingly recognized. We investigated the clinical features of staphylococcal scalded skin syndrome. Methods : We reviewed retrospectively medical records of 53 patients diagnosis of staphylococcal scalded skin syndrome who were admitted to Changwon Fatima hospital from February 2002 to December 2005. These patients were divided into 3 clinical types; generalized type, intermediate type, abortive type. Age, sex ratio, clinical manifestations, laboratory findings, response to therapy and prognosis were investigated. Result : 1)The mean age of patients was 2.8 years, ranging from 20 days to 7 years. Male-to-female ratio was 1.9:1. 2) By clinical types, 6 patients were in the generalized type (11%), 29 patients in the intermediate type (55%), 18 patients in the abortive type (34%). The coexisting diseases were variable, including conjunctivitis (25 cases), atopic dermatitis (11 cases), otitis media (1 case). On laboratory findings, most of patients didn't have leukocytosis or increased C-reactive protein. 4) A total of fifteen Methicillin Resistant Staphylococcal Aureus (MRSA) strains were isolated from September 2003 through December 2005. Fourteen strains were positive for exfoliative toxin B gene by PCR and negative for enterotoxin, toxic shock syndrome toxin and Panton-Valentine leukocidin genes. 5) The mean duration of admission was 7.3 days. Patients were treated with vancomycin or amoxacillin/clavulanate or ampicillin/sulbactam or cefuroxime without significant sequelaes. Conclusion : Recently, Staphylococcal scalded skin syndrome caused by exfoliative toxin B produced by MRSA in the Changwon area has been increasing.
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