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이연진,구종모,노명근,정광호 한국공작기계학회 2004 한국공작기계학회 춘계학술대회논문집 Vol.2004 No.-
본 연구에서는 금속 원자를 단열 팽창시켜 클러스터를 만들고, 생성된 클러스터를 이온화 시킨 후 집속렌즈 및 electric quadrupole을 이용하여 기판으로 증착 하였다. 집속렌즈의 설계에서는 단일 초점 방식의 렌즈보다 성능을 높이기 위하여 이중 초점과 핀홀을 써서 집속 효과 및 효율을 높였다. 렌즈의 설계는 일반적으로 하전입자의 에너지 손실 없이 집속할 수 있는 Einzel렌즈를 기본으로 하였으며, SIMION software를 사용하여 시뮬레이션 하였다. 시뮬레이션 후 실제 렌즈계 및 정전압원을 제작하여 금(Au)의 클러스터를 생성하여 렌즈계를 통과한 후 실제 기판위로 증착이 되는 것을 AFM(Atomic force microscopy)과 XPS(X-ray photoemission spectroscopy)를 이용해 조사하여 렌즈계가 실제로 동작함을 확인하였다.
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간호대생의 스마트폰 중독과 신체증상 및 정신건강 : 인터넷 윤리의식의 매개효과
배노연,구종모,오향화,김미영,단현주 한국간호과학회 간호행정학회 2015 간호행정학회지 Vol.21 No.3
목적: 본 연구는 간호대생의 스마트폰 중독 상태를 확인하고 스마트폰 중독과 신체증상 및 정신건강의 관계에서 인터넷 윤리의식의 매개효과를 파악하는 것이다. 방법: 자료수집은 2014년 5월 20일부터 6월 23일까지 서울의 일개 대학교 간호대생 214명을 대상으로 편의추출하였다. 구조화된 설문지로 신체증상과 정신건강, 스마트폰 중독 및 인터넷 윤리가 측정되었다. 자료분석은 t-test, ANOVA, Pearson 상관계수, 위계적 회귀분석을 이용하여 수행되었다. 결과: 간호대생의 스마트폰 중독의 잠재적 위험 고위험의 비율은 각각 14.5%, 16.8%를 차지하였다. 신체증상의 빈도가 높고 인터넷 윤리의식이 낮을수록 스마트폰 중독 점수는 높은 것으로 나타났다. 인터넷 윤리 중 자율통제는 신체증상과 스마트폰 중독의 관계에서 부분매개효과를 갖는 것으로 나타났다. 결론: 본 연구의 결과는 간호대생의 스마트폰 중독 수준이 인터넷 윤리의 자율통제를 통해 낮아질 수 있음을 제시한다. 이런 결과를 토대로 간호대생의 효과적인 스마트폰 사용을 촉진하기 위해 윤리 프로그램이 개발되어야 한다. Purpose: This study was done to identify the status of smartphone addiction among nursing students and to examine the mediating effects of Internet ethics on the relationship between smartphone addiction, physical symptoms and psychological well-being. Methods: Data were collected between May 20 and June 23, 2014. Participants were a convenience sample of 214 nursing students of one university in Seoul. Structured questionnaires were used to measure degree of smartphone addiction, physical symptoms, psychological well-being and Internet ethics. Data was analyzed using t-test, ANOVA, Pearson correlation coefficient, multiple hierarchical regression. Results: Of the nursing students, 14.5% had high level of risk of smartphone addiction and 16.8% had potential risk. Higher frequency of physical symptoms and lower level of Internet ethics were related to the higher level of smartphone addiction. Voluntary-control in Internet ethics had mediating effects on the relationship between smartphone addiction and physical symptoms. Conclusion: The results suggest that the level of smartphone addiction may lowered in nursing students by intensifying Internet ethics especially voluntary-control. Based on these findings, Internet ethics program for nursing students should be developed to facilitate the effective use of smartphones.
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신경계 간호사의 신경학적 검진 수행정도와 교육요구도에 대한 조사연구
김정희,최은미,고영미,박희라,김윤경,구종모,박주연,성선숙,권미희,윤연숙,박윤례 병원간호사회 2016 임상간호연구 Vol.22 No.1
Purpose: The purpose of this study was to describe performance and education needs related to neurologic assessment by neurologic ward nurses. Methods: The study was conducted with a cross-sectional descriptive design. Participants, 297 neurologic ward nurses working in tenmajor hospitals in Seoul and Gyeonggi were surveyed from September 7 to October 1, 2015. Results: The mean score for performance of neurologic assessments was 3.04 points. Performances performed with high quality were orientation exam, mental status documentation, and muscle strength of extremities in that order. Performances performed with low quality were assessment of accessory nerves, hypoglossal nerves, and cerebellum function in that order. There were significant differences according to whether there was ward education programs on neurologic assessment and teaching experiences within a year. These variables significantly affected the quality of neurologic assessment performance. The need for neurologic assessment training was 3.14 points. Conclusion: Amount of performance and demand for education on neurologic assessment, which are required in the clinical setting, were significantly high. To perform neurologic assessments with high quality, development of education program for neurologic assessment and continuous education courses are required at either the department or neurological nursing organization level.
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최애리(Choi, Ae-lee),김미영(Kim, Miyoung),최수진(Choi, Sujin),구종모(Koo, Chong Mo) 한국간호행정학회 2017 간호행정학회지 Vol.23 No.4
Purpose: Span of Control defines the scope of the managers" responsibilities to manage nursing staff. This study was done to measure span of control of front-line nurse managers (FLNMs) in Korea hospitals resulting in improvement in their work efficiency. Methods: A sample of 203 FLNMs from five tertiary hospitals was recruited and completed the questionnaires. Data were analyzed using x<SUP>2</SUP>-test, Fisher"s exact test, independent t-test, ANOVA, Scheffé, and Pearson correlation coefficient. Results: FLNMs had ‘narrow’ (n=8, 4.3%), ‘appropriate’ (n=161, 87.0%), and ‘wide’ (n=16, 8.6%) span of control. Span of control had significant correlations with the number of nurses (r=.63, p<.001), the number of non-nurses (r=.53, p<.001), units (r=.52, p<.001), staff (r=.83, p<.001), and programs (r=.67, p<.001). Conclusion: The research findings indicate that attention should be given to unit complexity, program diversity, total staff, and skills. Moreover, administrators of hospital and nursing departments need to provide systematic support in accordance with FLNMs’ wide span of control.
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죽도 무게변화에 따른 검도 머리치기 동작의 운동학적 분석
정남주 ( Nam Ju Chung ),김재필 ( Jae Pil Kim ),구종모 ( Jong Mo Ku ) 한국운동역학회 2010 한국운동역학회지 Vol.20 No.1
This study was performed to investigate the kinematic factors on the head hitting motion based on weight change of bamboo swords in kumdo. The kinematic factors, needed time per phase, COB displacement and velocity, angle(wrist, elbow, shoulder joint, hip joint, knee joint), were analyzed by the 3-D motion analysis method against 6 male middle school athletes. The results were as follows. 1. The needed time of head hitting motion based on weight change of bamboo swords was shorter when weight was heavier. 2. The COB displacement of left/right was bigger when weight was heavier. the displacement of right foot was higher at backswing phase and impact phase when weight was heavier and at impact time when weight was lighter. 3. The COB velocity was faster at impact time when weight was heavier, the velocity of sword tip was fastest for each event with bamboo sword weight of 440 g. 4. The angle of left elbow was smaller at top of backswing and impact when weight was heavier, the angle of left shoulder was bigger when weight was heavier, the right knee angle was biger at start when weight was heavier, at impact when weight was lighter.
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