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RISS 인기검색어
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- 저자 : 김지유(Kim, Jiyu) (검색결과 71 건)
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방사성물질 측정망 현황 및 하천·호소 내 인공방사성물질 (<sup>134</sup>Cs, <sup>137</sup>Cs, <sup>131</sup>I) 조사
김지유,정현지,안미정,홍정기,강태구,강태우,조윤해,한영운,설빛나,김완석,김경현,Kim, Jiyu,Jung, Hyun-ji,An, Mijeong,Hong, Jung-Ki,Kang, Taegu,Kang, Tae-Woo,Cho, Yoon-Hae,Han, Yeong-Un,Seol, Bitna,Kim, Wansuk,Kim, Kyunghyun 한국분석과학회 2015 분석과학 Vol.28 No.6
A survey of the artificial radionuclides in rivers and lakes was conducted to investigate their levels in surface water. Water samples were collected at 60 points and analyzed by gamma-ray spectrometry with a measurement time of 10,000 seconds for <sup>134</sup>Cs, <sup>137</sup>Cs, and <sup>131</sup>I. The obained values were lower than MDA for all points, except one point for <sup>131</sup>I that was 0.533±0.058 Bq/L. <sup>131</sup>I is known as a radioactive material that occurs frequently in sewage treatment plants. Because it is often used for medical treatments and subject to spreading into the environment due to the excretion from the patients. For the point where <sup>131</sup>I was detected, we conducted additional investigation on the upstream river point and the effluent points of nearby sewage treatment plant to find the source of <sup>131</sup>I. <sup>131</sup>I was not detected at the upstream points of one of the upstream sewage treatment plants but found at the downstream points with the level being 0.257±0.034 to 0.799±0.051 Bq/L, proving the sewage treatment plant was the <sup>131</sup>Isource.
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열린 사슬 운동이 중학교 축구 선수 하지 운동 기능에 미치는 영향
김지유,정연우,Kim, Jiyu,Jeong, Yeonwoo 대한통합의학회 2017 대한통합의학회지 Vol.5 No.3
Purpose: The purpose of this study was to investigate effect of open kinetic chain exercise on the motor function of the lower limb in middle school soccer players. Method: The subjects consisted of 14 soccer players who attend middle school in Gwangju. All subjects received open kinetic chain exercise for 3 weeks. The muscle strength of the ankle was measured by a commander muscle tester. Postural control ability was measured using a hopping test. All measurements for each subject were conducted pre-intervention and 3 weeks post-intervention. Result: There were significant differences post-intervention in the muscle strength and-the postural control ability of the open kinetic chain exercise group(p<.05). Conclusion: Open kinetic chain exercise had a significant positive effect on the motor function of the lower limb in soccer players. Therefore, open kinetic chain exercise may prevent and resolve injury with careful management while soccer players are training or playing games. It could be helpful to extend the lives of athletes and improve their records.
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방사성물질 측정망 현황 및 하천·호소 내 인공방사성물질 (<SUP>134</SUP>Cs, <SUP>137</SUP>Cs, <SUP>131</SUP>I) 조사
김지유(Jiyu Kim),정현지(Hyun-ji Jung),안미정(Mijeong An),홍정기(Jung-Ki Hong),강태구(Taegu Kang),강태우(Tae-Woo Kang),조윤해(Yoon-Hae Cho),한영운(Yeong-Un Han),설빛나(Bitna Seol),김완석(Wansuk Kim),김경현(Kyunghyun Kim) 한국분석과학회 2015 분석과학 Vol.28 No.6
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자기주도성에 관한 연구 동향 분석 : 국내 학술지를 중심으로
김지유(Ji U Kim) 단국대학교 상담학연구소 2021 상담교육연구 Vol.4 No.1
본 연구는 자기주도성에 관한 국내 연구동향을 살펴보고 향후 연구에 대한 방향성을 제언하는데 목적이 있다. 이에 본 연구는 ‘한국교육학술정보원(RISS)’를 활용하여 ‘자기주도성’을 검색하여 2000년도부터 2020년까지 주요 한국 학술지 인용 색인(Korea Citation Index: KCI)에 등재된 학술지 논문 32편을 선정하여 발행연도, 학회지, 연구대상, 연구방법, 분석방법, 측정도구로 분석하였으며, 연구결과는 다음과 같다. 발행연도 논문 수는 2013, 2014, 2015년에 각각 4편(12%)로 많은 연구가 되었으며, 학회지는 교육과 관련된 학회지에 등록된 연구가 가장 많았고, 연구대상은 대학생을 대상으로 실시한 연구가 많았다. 연구방법으로는 양적 연구가 28편, 연구주제는 변인간의 관계연구가 30편으로 가장 많았으며, 통계분석은 상관분석과 회귀분석을 대다수 사용하였다. 연구 변인별 동향에서는 자기 주도성을 독립변인으로 사용된 연구가 가장 많았으며 자기 주도성 측정도구는 SDLRS(자기 주도 학습 준비도 척도)로 나타났다. 본 연구 결과를 토대로 논의 및 추후 연구에 대해 제언하였다. Objectives: The purpose of this study is to examine domestic research trends on self-directedness and suggest directions for future research. To this end, this study used RISS(Research Information Sharing Service) to search self-directedness , selected 32 papers registered in KCI(Korea Citation Index) from 2000 to 2020, and analyzed them based on the year of publication, academic journals, study subjects, research methods, analysis methods, and measurement tools. The results are as follows. The number of papers published in 2013, 2014 and 2015 was the largest, which was four(12%) respectively, academic journals were mostly registered in journals related to education, and the largest number of studies were conducted on college students. As for the research methods, the most common studies were quantitative studies, which was 28, and studies between variables’ relationships, which was 30, and the most used statistical analysis methods are correlation and regression analysis. In the trends of research variables, most of the studies used self-directedness as an independent variable, and the most used self-directed measurement tool was found to be SDLRS (self-directed learning readiness measures). Based on the results of this study, discussions and suggestions for further research have been made.
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