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이영옥(Youngok Lee),김동해(Donghae Kim),김재호(Jaeho Kim) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
Nuclear power generating stations shall maintain their adequate integrity and perform their safety functions during and after design basis events, including the natural disasters such as earthquake, flood, fire, etc. and the postulated accidents, such as loss of coolant accident (LOCA), main steam line break (MSLB) and high energy line break (HELB), which are attended with high temperature, high pressure, high radiation, steam and chemical spray, etc. Equipment qualification is a technology verifying and ensuring that the nuclear equipment can perform their safety functions under the normal, abnormal and accident conditions during the life of nuclear power plants. Equipment qualification is composed of environmental qualification and seismic qualification. Equipment Qualification (EQ) demonstrates, by using a simulation test and/or analysis, that the nuclear equipment is designed and manufactured to properly perform their safety function without any structural deformation and functional failures under the postulated events. This paper introduces equipment qualification procedure to ensure the reliability of nuclear power generating stations safety.
웰다잉(well-dying) 프로그램이 죽음불안, 좋은 죽음에 대한 인식, 죽음준비도에 미치는 효과 -노인과 대학생의 비교
이영옥(Youngok Lee),김필환(Pil-Hwan Kim),박미라(Meera Park),제남주(Nam-Joo Je) 한국산학기술학회 2019 한국산학기술학회논문지 Vol.20 No.8
본 연구는 대학생과 노인을 대상으로 웰다잉(Well-dying) 프로그램을 적용하여 죽음불안, 좋은 죽음에 대한 인식, 죽음준비도에 미치는 효과를 파악하기 위한 두집단 사전 사후 설계연구이다. 연구는 G도, C시 C대학교 대학생 9명과 노인 14명을 대상으로 웰다잉(Well-dying) 프로그램을 12시간 제공하고 그 효과를 검증하였다. 자료 수집 기간은 2018년 10월 1일부터 12월 31일까지였다. 자료분석은 IBM SPSS 24.0을 이용하여 자료를 분석하였으며, 변수들의 정규성 검증은 Shapiro-Wilk 검증을 실시하였다. 동질성은 실수와 백분율 및 Fisher’s exact probability test와 Independent t-test, Mann-Whitney test를 사용하였다. 두집단의 프로그램 효과 검정을 위해 Repeated Measure ANOVA, Friedman test를 이용하여 분석하였다. 연구 결과, 노인군과 대학생군의 죽음불안, 좋은 죽음인식은 시점과 그룹간의 교호작용이 없었으나, 시점에 따라 유의한 차이가 있었다(p <.030). 죽음준비도는 시점과 그룹간의 교호작용이 있었고(p=.030), 그룹간 유의한 차이가 있었다((p =.003). 본 연구의 웰다잉 프로그램은 대상자의 죽음불안과 좋은 죽음에 대한 인식 상승에 도움을 주는 프로그램이며, 특히 노인의 죽음준비에 도움이 되는 프로그램으로 나타났다. This study, two-group pretest-posttest design was to provide the well-dying program for aged and college students and to determine the effects on death anxiety, perception of good death, and readiness for death. The subjects were 14 aged and 9 college students by providing a 12 hour well-dying program, verified its effectiveness. Data collection was from October 1 to December 31, 2018 and were analyzed using IBM SPSS 24.0. To verify the normality of the research variable in two groups, Shapiro-Wilk was used. Tested by Fisher"s exact probability test, independent sample t-test, and Mann-Whitney test to verify the homogeneity of general characteristics of the subjects. Repeated Measure ANOVA, Friedman test to verify the continuity of the program effects on two group respectively. Results, death anxiety and perception of good death among the aged and college students showed no significant interaction between time and group, but there was a significant difference according to time((p <.030). Readiness for death was significant interaction between time and group((p =.030), a significant difference between the groups(p=.003). The well-dying program of this study is helps raise the death anxiety and perception of good death of the subject, especially the program which helps the readiness for death of the aged.
재사용 흡인 용기의 미생물 오염도 및 재사용 흡인 용기와 일회용 흡인 용기의 비용 분석
구은용(Ku Eunyong),이국근(Lee Gukgeun),전미양(Jeon Miyang),최정화(Choi Jeonghwa),이영옥(Lee Youngok) 한국기초간호학회 2019 Journal of korean biological nursing science Vol.21 No.2
Purpose: The purpose of this study was to check the degree of residual microbial contamination after disinfection of reusable suction containers, used in an intensive care unit (ICU) and present basic data for efficient use through cost analysis in comparison to disposable suction containers. Method: This study was conducted on 32 reusable suction containers used in an ICU on a selected specific day. After disinfection and washing, specimens were collected from the used containers and cultured to check for microbial contamination. Additionally, a comparative narrative study analyzes the cost of using reusable suction containers and disposable suction containers. Data were analyzed with the SPSS WIN 20.0 program using real numbers and percentage χ2-test. Results: As a result of the study, microorganisms were found in all samples where in 30 were gram-positive (62.5%) while 13 were gram-negative (27.1%). Based on level of contamination, microorganisms were less than 10CFU/ml in 18 samples (56.3%); 11-99CFU/ml in six samples (18.8%); and more than 100CFU/ml in eight samples (25%). Cost per day for a reusable suction container was 10,655 + α while cost per day for a disposable suction container was 10,666 won. Conclusion: This study found that reusable suction containers, even after disinfection, accounted for factors of potential infection as well as microbial contamination. So, disposable suction containers are superior in cost-effectiveness and highly efficient for use with infected patients.
증거기반 실제를 위한 국내 감각통합중재 단일대상연구 메타분석
권용화(Kown, Yonghwa),이영옥(Lee, Youngok),이숙정(Rhie, Sukjeong) 단국대학교 특수교육연구소 2021 특수교육논총 Vol.37 No.1
연구목적: 국내 감각통합중재를 단일대상연구로 실시한 선행연구를 대상으로 연구참여자 특성 및 중재구성 요소에 따른 효과크기를 분석하여 감각통합중재가 증거기반 실제(Evidence Based Practice)로 자리매김하기 위한 기초자료를 마련한다. 연구방법: 감각통합중재가 국내에 활성화되기 시작한 2000년부터 2019년까지 국내 학술지에 게재된 감각통합중재 단일대상연구 24편을 분석하였다. 분석대상 연구의 일반적 특성을 분석하고, 연구의 효과크기는 연구대상자 변인 및 중재구성 변인으로 구분하여 비중복비율(PND)과 개선율차이(IRD)지표로 산출하여 분석하였다. 연구결과: 첫째, 연구대상자 변인에 따른 효과크기 분석 결과 감각통합중재는 4세 이하와 5-6세인 학령기 이전 아동 연령대에서 효과크기가 매우 높았으며, 진단명과 관련하여 자폐성장애, 중도중복장애, 감각처리에 어려움을 갖는 아동, 뇌성마비, 발달지체 등 대부분의 장애영역에서 매우 효과적인 중재로 나타났다. 둘째, 감각통합중재 구성에 따른 효과크기는 중재회기가 10회기 미만이거나, 16-20회기, 21회기 이상일 경우 매우 효과적인 중재로 나타났고, 연구설계 유형에서는 ABA 설계를 제외한 모든 설계 유형에서 효과크기가 매우 높게 나타났다. 종속변인에 따른 효과크기 PND는 행동, 구강, 감각처리, 작업수행, 운동, 학업(기초학업기술) 모두에서 효과적인 것으로 산출되었는데, 이는 국내 감각통합중재가 연구대상자의 개별화된 중재목표 달성에 효과가 있음을 의미한다. 결론: 감각통합중재 단일대상연구의 증거기반 실제 수준을 제고하기 위한 세부 요소를 검토하고 연구의 시사점과 연구의 제한점에 따른 후속연구 필요성을 논의하였다. Purpose: To provide basic data to establish sensory integration(SI) intervention as evidence-based practice, this study analyzed the effect size according to the characteristics of the participants and the components of the SI-intervention, targeting the preceding studies conducted as a single subject study in the domestic SI-intervention. Method: From 2000 to 2019, when SI-intervention began to be activated in Korea, 24 single subject studies on SI-intervention were published in domestic journals. These studies were collectively analyzed. The general characteristics of the studies were classified into characteristics of the subject and methodology of each variable. The effect size was classified into the subject and the intervention composition variables, and calculated and analyzed as Percentage of Non-overlapping Data (PND) and Improvement Rate Difference (IRD) indicators. Result: First, the SI-intervention was very highly effective in the before-school age group of children. It was found to be very effective in most areas of disability, including autism, severe disabilities, cerebral palsy, and developmental delays. Second, the effect size was found to be very effective when the intervention involved less than 10, 16-20, or more than 21 sessions. In the study design type, the effect size was very high in all designs except the ABA design. The effect size PND according to the dependent variable was calculated to be effective in behavior, oral cavity, sensory processing, work performance, exercise, and study (basic academic skills), which meant that domestic SI-intervention was effective in achieving individualized intervention goals of the children. Conclusion: Detailed factors to improve the evidence-based actual level were reviewed and the need for follow-up research according to the implications and limitations of this study was discussed.