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한국인 정신분열병 환자에서 비정형 항정신병 약물의 치료반응과 체중증가의 관련성에 대한 연구
이재병,함병주,이화영,이민수,Lee, Jae-Byung,Ham, Byung-Joo,Lee, Hwa-Young,Lee, Min-Soo 대한생물정신의학회 2011 생물정신의학 Vol.18 No.4
Objectives Atypical antipsychotics show better treatment efficacy, safety and tolerability than typical antipsychotics. Among the adverse events observed during treatment with antipsychotics, extrapyramidal syndrome (EPS) and negative symptoms has been greatly reduced. But still, weight gain is receiving growing attention. The aim of this study was to investigate the association between therapeutic response to atypical antipsychotics and weight gain in admission status. Methods The study was conducted for Korean inpatients with schizophrenia in a university hospital in Seoul, between Jan 2006 and Dec 2010. Data was collected by reviewing the medical record of 39 consecutively hospitalized patients with Schizophrenia (DSM-IV) at a university hospital. Positive and Negative Symptom Scale (PANSS), Body Mass Index (BMI) and body weights were measured. Results No significant difference was observed for sex, age, illness onset age, family history of schizophrenia, numbers of hospitalization before treatment, educational years, marriage status, occupational status and subtype of schizophrenia between weight gainers and non-weight gainers. Regarding treatment response to atypical antipsychotics, weight gainers show significantly more PANSS decrease than non-weight gainers during admission period. Conclusions Our findings suggest that it appears to be more likely to respond to atypical antipsychotics in weight gainers than non-weight gainers (that weght gainers appear to be more likely to respond to atypical antipsychotics than non-weight gainers). These results show that the antipsychotic-induced body weight gain is associated with therapeutic response of antipsychotics in Korean inpatients with schizophrenia.
가상현실(VR) 콘텐츠를 활용한 과학수업이 초등학생의 공간 감각과 과학적 태도에 미치는 영향
이재병,권난주 경북대학교 과학교육연구소 2022 科學敎育硏究誌 Vol.46 No.1
This study attempts to find out how science classes using VR content affect students' scientific attitudes and spatial senses. For 4th and 5th graders of an elementary school, a comparative class and an experimental class were set up for each grade, and a total of 11 classes were conducted for each grade. Before and after class treatment, pre- and post-tests were conducted on scientific attitudes and spatial sensations, and interviews with students were conducted during class. After all the classes for the research unit were completed, a survey was conducted to find out the changes in students' perceptions. As results of this study show, it was found that science classes applying virtual reality (VR) content have positive effects on students' scientific attitudes and spatial ability. 본 연구는 가상현실(VR) 콘텐츠를 활용한 과학 수업이 학생들의 과학적 태도와 공간 감각에 미치는 영향을 알아보고자 하였다. 초등학교 4, 5학년 학생들을 대상으로 학년별로 비교 반과 실험 반을 1개씩 설정하여 연구를 진행하였으며, 학년 별로 총 11차시씩 1개 단원 수업을 하였다. 수업 처치 전·후, 과학적 태도와 공간 감각에 대한 사전·사후 검사를 시행하였고, 수업이 진행되는 동안 학생들과 면담을 진행하였다. 연구 단원에 대한 수업이 모두 종료된 후 학생들의 인식 변화를 알아보고자 설문을 시행하였다. 연구 결과 가상현실(VR) 콘텐츠를 적용한 과학 수업은 학생들의 과학적 태도 및 공간 감각에 긍정적인 영향을 미치는 것으로 나타났다.
발전 플랜트의 엑서지 해석으로부터 발전량 및 발전효율 최적화
김덕진,이재병,강수환,Kim, Deok-Jin,Lee, Jae-Byoung,Kang, Su-Hwan 한국플랜트학회 2013 플랜트 저널 Vol.9 No.3
발전 플랜트의 발전량 최적화 및 발전효율 최적화는 에너지공학을 전공한 전문가일지라도 이해하기 힘든 개념이다. 본 연구에서는 엑서지 및 엑서지율이라는 열역학적 상태값을 적용하여 에너지 공학을 전공하지 않은 일반인일지라도 발전량 및 발전효율 최적화 개념을 쉽게 이해할 수 있는 차트가 개발되었다. 발전소의 성능을 파악할 수 있는 대표적인 물성치는 주증기의 온도 및 압력이다. 개발된 차트에서는 주증기의 온도 및 압력에 따른 최대 발전량 곡선과 최대 효율 곡선이 도시되어 있으므로, 해석하고자 하는 발전소의 온도 및 압력을 차트에 적용하여 그 발전소가 얼마만큼 최대 발전량과 최대 효율에 접근해 있는지를 쉽게 파악할 수 있다. Even if an expert who has majored energy engineering, it is a difficult concept to understand power output optimization and power efficiency optimization. In this study a diagram applying thermodynamic state value as specific exergy and exergy ratio was developed. Although general peoples who did not major energy engineering can be easily understand the concept of power output optimization and power efficiency through the developed diagram. A represented property that can identify the performance of power plant is the main steam temperature and pressure. At the developed diagram the maximum power output line and maximum power efficiency line are shown according to the temperature and pressure of main steam. Therefore we can identify how much a power plant approach to maximum power output and maximum power efficiency.