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고비표면적 지르코니움 산화물의 제조 및 특성 분석: pH 영향
정예슬 ( Ye-seul Jeong ),신채호 ( Chae-ho Shin ) 한국화학공학회 2019 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.57 No.1
High specific surface area zirconia with acid-basic property was synthesized by precipitation using reflux method or hydrothermal synthesis method using ammonium hydroxide solution as precipitant in the range of pH of Zr solution from 2 to 10. The prepared zirconia was characterized by the nitrogen adsorption, X-ray diffraction (XRD), isopropanol temperature programmed desorption (IPA-TPD), scanning electron microscopy and X-ray photoelectron spectroscopy, and the catalytic activity in the IPA decomposition reaction was correlated with the acid-basic properties. When using reflux method, high pH of Zr solution was required to obtain high fraction of tetragonal zirconia, and pure tetragonal zirconia was possible at pH 9 or higher. High pH was required to obtain high specific surface area zirconia, and the hydrous zirconia synthesized at pH 10 had high specific surface area zirconia of 260 m<sup>2</sup> g<sup>-1</sup> even after calcination at 600 °C. However, hydrothermal synthesis with high pressure under the same conditions resulted in very low specific surface area below 40 m<sup>2</sup> g<sup>-1</sup> and monoclinic phase zirconia was synthesized. High pH of the solution was required to obtain high specific surface area tetragonal phase zirconia. In hydrothermal synthesis requiring high pressure, monoclinic zirconia was produced irrespective of the pH of the solution, and the specific surface area was relatively low. Zirconia with high specific surface area and tetragonal phase was predominantly acidic compared to basicity and only propylene, which was observed as selective dehydration reaction in IPA decomposition reaction, was produced.
간호대학생과 교육대학생의 아동학대에 대한 인식과 신고의도
정예슬(Jeong, Yeseul),장상윤(Jang, Sang-Youn),송민경(Song, Min Kyung),금다정(Kum, Da Jeong),박세은(Park, Sae Eun),방경숙(Bang, Kyung-Sook) 한국간호교육학회 2019 한국간호교육학회지 Vol.25 No.2
Purpose: This study aimed to investigate child abuse awareness and reporting intention among nursing and education students and correlations among the variables involved. Methods: A cross-sectional study was conducted by administering an online questionnaire to 70 nursing college students and 70 education college students. Data were analyzed using descriptive statistics, t-test, chi-squared test, the Mann-Whitney U test, and Pearson’s correlation in SPSS 21.0 (IBM, Armonk, NY). Results: The mean score of child abuse awareness was 3.61±0.32 for nursing students and 3.60±0.36 for education students. The mean score of reporting intention was 5.65±0.90 for nursing students and 5.38±1.03 for education students. Females presented higher scores than males in the awareness of sexual abuse. The awareness of emotional abuse was higher in students who knew of reporting obligations or who had experienced abuse. Child abuse awareness and reporting intention were significantly positively correlated. Also, the number of times having received child abuse education was correlated with reporting intention in both mild and severe cases of abuse. Conclusion: Reporting intention is not only related to having received education, but also to the frequency of that education. Child abuse education is important to increase reporting intention and should be delivered repeatedly.
정예슬(Jeong, Yeseul),방경숙(Bang, Kyung-Sook) 학습자중심교과교육학회 2020 학습자중심교과교육연구 Vol.20 No.5
본 연구는 간호대학생의 다양성 수용도의 수준과 영향을 주는 요소를 탐색한 상관성 조사연구이다. 연구대상은 전국 간호대학에 재학중인 간호대학생으로, 온라인 설문조사를 사용하여 2019년 8월 8일부터 8월 11일까지 자료를 수집하였다. 자료분석은 STATA/MP 16.0 (StataCorp LCC, College Station, TX)과 SPSS 21.0 (IBM, Armonk, NY)을 활용하여 서술적 기술 통계, t-검정, ANOVA, Pearson’s 상관계수, 단계적 다중회귀 방법으로 분석하였다. 본 연구의 결과 간호대학생의 다양성 수용도는 3.46±1.14점이었으며 남성이 여성보다 높았다(t=-2.26, p=.025). 다양성 수용도는 자아존중감(r=.40, p<.001), 자기효능감(r=.40, p<.001)과 통계적으로 유의한 정적 상관관계를 보였다. 간호대학생의 다양성 수용도에 대한 유의한 영향 요인은 자아존중감(β=.24, p=.017), 자기효능감(β=.23, p=.023), 그리고 성별(β=.19, p=.010)로 나타났다. 다양성 수용도는 다문화 효능감, 다문화 경험, 공감과 같은 변수보다 개인 내적 요인에 영향을 받는 것으로 확인되었다. 이는 간호교육의 주 연구분야로 관심을 받아온 다문화 관련 변수와는 다른 점으로, 간호대학생의 다문화 수용도를 향상시키는 프로그램이 개발되고 적용되어야 할 것이다. This study is a predictive correlational study to identify the correlated factors to nursing students’ openness to diversity/challenge in Korea. A total of 158 participants were recruited via an online survey. Data were analyzed using descriptive statistics, t-test, ANOVA, Pearson’s correlation and stepwise multiple regression using STATA/MP 16.0 (StataCorp LCC, College Station, TX) and SPSS 21.0 (IBM, Armonk, NY). The mean score of openness to diversity/challenge was 3.46±1.14 for nursing students. The openness to diversity/challenge were significantly positively correlated with self-esteem (r=.40, p<.001) and self-efficacy (r=.40, p<.001). Factors influencing the openness to diversity/challenge were self-esteem (β=.24, p=.017), self-efficacy (β=.23, p=.023) and male (β=.19, p=.010). Unlike multicultural variables received attention in the field of nursing education, the openness to diversity/challenge were influenced by personal internal factors rather than cultural competency, experience and empathy. Educational programs to improve nursing students’ openness to diversity/challenge are needed to be developed and applied.
정예슬(Ye-sul Jeong),성보옥(Bo-ock Seong),이형옥(Hyeong-ok Lee) 한국컴퓨터교육학회 2020 한국컴퓨터교육학회 학술발표대회논문집 Vol.24 No.2(A)
병렬처리 컴퓨터구조의 상호연결망으로 널리 활용되는 하이퍼큐브는 재귀적 구조와 노드 및 에지 대칭성을 가지고 있으며 다른 상호연결망과 임베딩이 쉽고 라우팅 알고리즘도 간단하다는 장점을 가진다. 그러나 노드의 심볼이나 개수가 증가함에 따라 분지수도 비례하여 증가하여 망비용이 크다는 단점을 갖는다. 본 연구에서는 기존에 제안된 하이퍼큐브 상호연결망의 망비용을 개선한 로그-하이퍼큐브에서 그래프의 성질 분석을 통해 재귀적 확장성과 연결된 그래프임을 보이도록 한다.
국내 시설 거주 미혼모의 양육역량 향상을 위한 중재의 통합적 고찰
이금희,정예슬,방경숙,김성재,김미숙,신다애,Lee, Gumhee,Jeong, Yeseul,Bang, Kyung-Sook,Kim, Sungjae,Kim, Misook,Shin, Da-ae 서울대학교 간호과학연구소 2020 간호학의 지평 Vol.17 No.1
Purpose: To understand the core elements and the effects of interventions on the improvement of parenting capabilities of unmarried mothers living in residential facilities, this study reviewed the literatures related to this concept. Methods: Five electronic databases (KISS, KMbase, KoreaMed, NDSL, and RISS) were searched, and eight studies were ultimately selected for the integrative review. Results: The interventions were categorized into two types: psychological intervention and sociocultural intervention. The core elements of the psychological interventions included cognitive, emotional, behavioral, and relational contents. Sociocultural aspects included raising personal skills for finding social support resources. Various studies showed the effects of intervention on efficacy, attachment, or parenting behavior. Conclusion: Based on the results of this study, health promotion programs to improve maternal parenting competency for unmarried mothers living in residential facilities need to be developed and applied.