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양보석,복정희일랑,암호탁삼 대한기계학회 1992 대한기계학회논문집 Vol.16 No.7
This paper presents a dynamic characteristics of flow induced vibration of circular cylinder set with inclined angle against flow direction. The effect of the cylinder bounded by spiral fin and wire on the damping of flow induced vibration is investigated, i.e., inclined angle, spiral pitch angle and number of spiral thread are studied. As the results, the cylinder with spiral fin is most effective for the damping. Also the cylinder bounded by pitch angle 50.deg. and 2 spiral thread is most effective. 본 연구에서는 경사원주에서 발생하는 소용돌이 여기진동을 억제하기 위한 방 법으로 원주구조물 주위에서 발생하는 규칙적인 소용돌이 방출에 의한 여진력을 감소 시키도록 원주표면에 fin이나 wire를 부착시켜 단면형상을 바꾸는 방안을 실험적으로 검토한다. 즉, 밀폐순환식 유로을 이용하여 흐름에 경사되도록 탄성지지된 원주에 나선상의 fin과 wire를 감아, 경사각(.theta.)을 45, 60, 75, 90도, 나선피치각(.alpha.)을 30, 35, 40, 45, 50, 55, 60도, 나선권수(n)를 1,2,3으로 하여, 진동특성을 실험적으로 조사하고, plain원주와 비교하여 제진효과를 확인하며, 더우기 나선핀 원주의 최적형 상을 구하는 것을 목적으로 한다.
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신생아 중환자실 Stock Distribution System의 평가
이은숙,이병구,김제원,신완균,복정희 韓國病院藥師會 2004 병원약사회지 Vol.21 No.4
To reduce repetitive dispensing workload of pharmacists and to increase work efficiency of nurses, Stock Distribution System(SDS) was implemented at neonatal intensive care unit(NICU) in SNUBH. The study compared and evaluated the efficiency of pharmacists and nurses, before and after SDS. The time consumed in dispensing and managing NICU drugs at pharmacy was measured. For nursing department, the time consumed in administering and managing drugs was measured. Surveys were conducted for nurses before and after SDS. A list of medication selected as frequently used medicine at NICU consisted of 13 intravenous drugs, 4 oral drugs and 4 external drugs. Three medication boxes filled with the frequently used drugs were delivered to NICU 3 times a week. After SDS, time taken to dispense drugs increased by 14%. The number of surplus drugs returned to pharmacy decreased by 62%. For nurses, the time to receive drugs decreased by 17%. The time for nurses to return the unused drugs to pharmacy decreased but the possibility of omitting some unused drugs increased. The nurses' satisfaction towards the new system was lower than before. To increase the efficiency of SDS, efficient drug returning system should be established and more efficient method to manage the medication boxes should be sought.
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신생아중환자 분류도구 개발을 위한 간호활동 규명 및 표준간호시간 조사연구
고범자,유미,강진선,김동연,복정희,장은경,박선자,오순자,최윤진 병원간호사회 2012 임상간호연구 Vol.18 No.2
Purpose: It was necessary for developing a neonatal classification system based on nursing needs and direct care time. This study was, thus, aimed at identifying nursing activities and measuring the standard nursing practice time for developing a neonatal patient classification system in Neonatal Intensive Care Unit (NICU). Methods: The study was taken place in 8 general hospitals located in Seoul and Kyungi province, South Korea from Dec, 2009 to Jan, 2010. By using 'the modified Workload Management System for critical care Nurses' (WMSN), nursing categories, activities, standard time, and task frequencies were measured with direct observation. The data were analyzed by using descriptive statistics. Results: Neonatal nursing activities were categorized into 8 areas: vital signs (manual), monitoring, activity of daily living (ADL), feeding, medication, treatment and procedure, respiratory therapy, and education-emotional support. The most frequent and time-consuming area was an ADL, unlike that of adult patients. Conclusion: The findings of the study provide a foundation for developing a neonatal patient classification system in NICU. Further research is warranted to verify the reliability and validity of the instrument.
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간호요구 정도에 의한 신생아중환자 분류도구의 타당도 및 신뢰도 검증
고범자,유미,강진선,김동연,복정희 병원간호사회 2012 임상간호연구 Vol.18 No.3
Purpose: This study was done to verify validity and reliability of a neonatal patient classification system (NeoPCS-1). Methods: An expert group of 8 nurse managers and 40 nurses from 8 Neonatal Intensive Care Units in Korea, verified content validity of the measurement using item level content validity index (I-CVI). The participants were nurses caring for 469 neonates. Data were collected from November 11 to December 14, 2011 and analyzed using descriptive statistics, ANOVA, intraclass correlation coefficient, and K-cluster analysis with PASW 18.0 program. Results: Nursing domains and activities included 8 items with 91 activities. I-CVI was above .80 in all areas. Interrater reliability was significant between two raters (r=.95, p<.001). Classification scores for participants according to patient types and nurses’ intuition were significantly higher for the following patients; gestational age ( 29 weeks), body weight (<1,000 gm), and transfer from hospital. Six groups were classified using cluster analysis method based on nursing needs. Patient classification scores were significantly different for the groups. Conclusion: These results show adequate validity and reliability for the NeoPCS-1 based on nursing needs. Study is needed to refine the measurement and develop index scores to estimate number of nurses needed for adequate neonatal care.
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진료의 편의성과 병원 접근성 증진을 위한 스마트 어플리케이션 콘텐츠의 질적 분석
이재빈 ( Jae Bin Lee ),김지혜 ( Ji Hye Kim ),복정희 ( Jeong Hee Bok ),우혜경 ( Hyekyung Woo ) 한국병원경영학회 2020 병원경영학회지 Vol.25 No.1
Purposes: The aim of this study is to evaluate whether the contents of hospital reservation and reception applications(apps) are qualitatively useful in meeting the needs of medical consumers and improving hospital accessibility and convenience. Methodology: (1) identify consumer needs through social data web mining, (2) describe the status of key contents of mobile apps to improve accessibility and convenience of care, and (3) verify the quality of apps through validated tools Finding: The contents of ‘mobile reservation function’ and ‘waiting time information provision’ that can contribute to reduction of delay time of care and efficiency of desk work were supported, but the level of utilization was insufficient. The quality level of the app, including the level of consumers' needs, has shown a wide gap between the apps. Implications: The recent development of mobile apps for hospital accessibility and consumer needs has shown a wide gap in the quality of apps, including information and aesthetic. Therefore, it is necessary to develop apps based on user interface(UI), user experience(UX) based designs that can promote the usefulness and convenience of apps while monitoring needs of consumers continuously
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