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최주연,이가언,전혜정,Choi, Ju Youn,Lee, Ga Eon,Jun, Hye Jung 한국직업건강간호학회 2022 한국직업건강간호학회지 Vol.31 No.4
Purpose: The purpose of this study was to identify factors influencing fall-prevention behaviors of nurses working in long-term care hospitals. Methods: Participants included 147 nurses working in 10 long-term care hospitals in B city. Data were collected from September 20-October 12, 2016. SPSS/WIN 21.0 was used for analysis with t-test, ANOVA, Scheffé test, Pearson correlation coefficients, and multiple regression. Results: It was found that attitude toward fall (r=.29, p<.001) and patient safety culture (r=.25, p=.002) had a significant positive correlation with fall-prevention behaviors of nurses working in long-term care hospitals. The factors influencing fall-prevention behaviors in participants were clinical career and patient safety culture (β=.21, p=.012), contributing to 19% of the total variance in fall- prevention behaviors. Conclusion: The findings showed that systematic delivery of differentiated fall prevention education is preferred to nurse's clinical career as a private factor to improve fall-prevention behaviors of nurses in long term care hospital. Particularly, it is imperative to conduct periodical and practical fall-prevention education for nurses to prevent career discontinuity. An independent report system and open communication system as well as a scheme that can disseminate patient safety culture in individual departments to implement patient direct nursing are required to encourage patient safety culture in organizations.
결정질 실리콘 태양전지의 적용을 위해 보론 확산 공정에서 생성되는 Boron Rich Layer 제거 연구
최주연,조영준,장효식,Choi, Ju Yeon,Cho, Young Joon,Chang, Hyo Sik 한국전기전자재료학회 2015 전기전자재료학회논문지 Vol.28 No.10
We investigated and compared two methods of in-situ oxidation and chemical etching treatment (CET) to remove the boron rich layer (BRL). The BRL is generally formed during boron doping process. It has to be controlled in order not to degrade carrier lifetime and reduce electrical properties. A boron emitter is formed using $BBr_3$ liquid source at $930^{\circ}C$. After that, in-situ oxidation was followed by injecting oxygen of 1,000 sccm into the furnace during ramp down step and compared with CET using a mixture of acid solution for a short time. Then, we analyzed passivation effect by depositing $Al_2O_3$. The results gave a carrier lifetime of $110.9{\mu}s$, an open-circuit voltage ($V_{oc}$) of 635 mV at in-situ oxidation and a carrier lifetime of $188.5{\mu}s$, an $V_{oc}$ of 650 mV at CET. As a result, CET shows better properties than in-situ oxidation because of removing BRL uniformly.
호스피스 시설의 치유환경 조성을 위한 계획기법에 관한 연구
최주연(Choi Joo-Yeon),김영은(Kim Yong-Eun),강병근(Kang Byoung-Keun) 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
Necessity of hospice and palliative care was risen according to the request of terminal patients that remove pain and keep calm life by interest about quality of life. However unlike a quantity growth of hospice facility a quality improvement isn't accomplished. The physical environmental health of human mainly depend on the quality of architectural natural environment, so it is very important to prepare healing environment on the healthcare setting.<br/> This study focused on natural environment. The purpose of this study researches the healing environment of the hospice facility and propose architectural method through the healing environment.
피부과를 내원한 한국 여성을 대상으로 한 바우만 피부 타입 설문지를 통한 피부 타입에 관한 연구
최주연 ( Ju-yeon Choi ),최영준 ( Young Jun Choi ),남재희 ( Jae Hui Nam ),정호주 ( Ho Joo Jung ),이가영 ( Ga-young Lee ),김원석 ( Won-serk Kim ) 대한피부과학회 2016 대한피부과학회지 Vol.54 No.6
Background: Skin types vary, making it difficult to identify them at a glance. To effectively understand skin type, analysis based on a questionnaire could be helpful. Objective: The purpose of this study was to identify the accuracy and effectiveness of the Baumann skin type questionnaire (BSTQ) compared with an interview with a dermatologic specialist. In addition, we aimed to identify differences in skin type proportions according to age and develop a modified BSTQ. Methods: Subjects included 202 women (19∼64 years of age) who visited the dermatologic clinic of our hospital. They completed both the BSTQ and an interview with a dermatologic specialist. A modified BSTQ was developed by removing similar and racial questions and adjusting grading scores. Results: The agreement between skin type proportions analyzed by the BSTQ and an interview was not reasonable (κ=0.428, 95% confidence interval [CI]: 0.363∼0.493). There was a correlation between the proportion of dryness and age (R2=0.029, p<0.05). However, other skin type proportions (sensitivity, pigmentation, and wrinkles) were not significantly correlated with age. The modified BSTQ showed substantial agreement with the BSTQ in skin type proportions (κ=0.691, 95% CI: 0.641∼0.740). Conclusion: We identified the skin types of Korean women of various ages using the BSTQ and an interview. Furthermore, the modified BSTQ might be helpful for accurately recognizing skin types. (Korean J Dermatol 2016;54(6):422∼437)
초등학생들의 비구조화된 문제 해결 과정에서 나타나는 공간 추론 능력과 문제 해결 능력
최주연 ( Choi Jooyun ),김민경 ( Kim Min Kyeong ) 한국수학교육학회 2021 수학교육 Vol.60 No.2
본 연구에서는 학생들의 생활과 밀접한 공간을 기반으로 한 비구조화된 문제를 개발하고 수업에 적용하였다. 이 과정에서 6학년 학생들의 공간 추론 능력으로는 외적 추론에 비해 내적 추론에서 어려움을 표했으며, 공간 추론이 수와 연산, 측정 등의 영역과 연계되어 활용될 때 그 수준이 더 높게 나타났다. 문제 해결 능력에서는 반성 요소가 미흡하게 나타났으며 초등 현장에서 온라인 환경에서의 협력과 수학적 모델링 학습이 적용 가능하다는 결과를 얻었다. 이를 통해 수학 교육 현장에 공간 학습과 실생활 문제 해결에 관한 의미 있는 시사점을 도출할 것으로 기대된다. Ill-structured problems have drawn attention in that they can enhance problem-solving skills, which are essential in future societies. The purpose of this study is to analyze and evaluate students' spatial reasoning(Intrinsic-Static, Intrinsic-Dynamic, Extrinsic-Static, and Extrinsic-Dynamic reasoning) and problem solving abilities(understanding problems and exploring strategies, executing plans and reflecting, collaborative problem-solving, mathematical modeling) that appear in ill-structured problem-solving. To solve the research questions, two ill-structured problems based on the geometry domain were created and 11 lessons were given. The results are as follows. First, spatial reasoning ability of sixth-graders was mainly distributed at the mid-upper level. Students solved the extrinsic reasoning activities more easily than the intrinsic reasoning activities. Also, more analytical and higher level of spatial reasoning are shown when students applied functions of other mathematical domains, such as computation and measurement. This shows that geometric learning with high connectivity is valuable. Second, the ‘problem-solving ability' was mainly distributed at the median level. A number of errors were found in the strategy exploration and the reflection processes. Also, students exchanged there opinion well, but the decision making was not. There were differences in participation and quality of interaction depending on the face-to-face and web-based environment. Furthermore, mathematical modeling element was generally performed successfully.