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박연철,백용현,박동석 대한침구의학회 2007 대한침구의학회지 Vol.24 No.1
Objectives : This sutdy aims to research the trend of the studies related with acupuncture treatment of asthma. Methods : We searched the electronic database and reviewed RCT studies comparing the effect of sham and real acupuncture published after 2000 Results : We selected eight articles. Effectiveness of asthma acupuncture treatment was generally insufficient. Three articles reported acupuncture to be effective in subjective symptoms and quality of life. Other three articles reported that acupucture treatment was moderately effective but, insignificant compared to sham acupuncture treatment. Some articles reported that acupucture treatment was significant in the decrease of drug dosage and immunologic regulation. Conclusion : For the study on acupuncture treatments in asthma, it is necessary that we conduct research on the various natures of acupuncture. More clinical data would be needed to prove the effects of acupuncture treatment in asthma.
박연철,박경혜 한국의학교육학회 2021 Korean journal of medical education Vol.33 No.1
Purpose: This study determined the effects of interprofessional education (IPE) on self-efficacy and attitude by comparing an interprofessional (IP) group of medical students (MSs) and nursing students (NSs) and a uniprofessional (UP) group of MSs. Methods: An experimental IP group consisting of 49 MSs and 62 NSs was selected, alongside a UP control group of 48 other MSs. The groups participated in a class titled “Team Communication and Interprofessional Collaboration.” A sub-analysis of the two groups’ professions was also conducted. The groups participated in the same lesson separately, with a week’s interval. The Interprofessional Attitudes Scale (IPAS) and the Self-Efficacy Perception for Interprofessional Experiential Learning (SEIEL) scale were used before and after the class to compare changes in reports of self-efficacy and attitudes in both groups. Students’ responses to learning experiences and satisfaction were also evaluated. Results: IPAS and SEIEL values increased after the class for MSs in both groups; there were no differences between the groups. IPAS and SEIEL values increased after the class in MSs and NSs in the IP group, and the effect size for IPAS was larger for IP-group NSs than for IP-group MSs. Satisfaction scores exceeded 3.70 in both groups. Conclusion: The UP group showed similar IPE effects as the IP group, as measured by SEIEL and IPAS, in a single IPE program that used role-play and case-based discussion. However, it would be desirable for the UP group to interact with other professions to improve understanding and experience.
PSC 강연선 인장성능평가를 위한 인장시험 방법에 관한 연구
박연철,박민석,유웅희,김철영 한국강구조학회 2019 韓國鋼構造學會 論文集 Vol.31 No.5
The factors that may influence the tensile strength measurement of steel 7-wire strand was investigated. Various standards and guidelines for testing strands were reviewed and found that free span length, loading rate, and type of gripping devices could affect the tensile strength measurement. Tensile test was conducted to verified the effect of these factors. It was found that loading rate and free span length do not influence the tensile strength measurement. Gripping device, however, significantly influenced the measurement. All specimens which anchor type grip were applied presented the tensile strength lower than the nominal. On the other hand, all specimens which grip type were applied presented the tensile strength higher than the nominal strength. 강연선의 인장시험에 영향을 주는 요인들을 문헌 및 인장시험을 통해 확인하였다. 문헌조사로 인장강도에 영향을 주는 요인들은 자유장길이, 하중재하속도, 물림부 형식인 것을 확인하였으나 인장시험 결과 자유장길이나 하중 재하속도는 영향을 미미한 것을 확인하였다. 그러나 강연선의 인장강도는 물림부 형식에 따라 큰 차리를 보였다. 물림부가 앵커 타입인 경우에는 모든 시험체가 공칭강도보다 낮은 강도를 보였고 그립타입인 경우에는 모든 시험체에서 공칭강도보다 높은 강도가 확인되었다. 따라서 앵커타입의 경우실제 강도 낮게 평가할 수 있는 위험성이 있는 것으로 보인다.