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장혁진(Hyuk Jin Jang),곽영숙(Young Sook Kwack) 대한소아청소년정신의학회 2014 소아청소년정신의학 Vol.25 No.4
Objectives:This study was conducted in order to investigate the influences of school violence on the mental health of student victims and their parents. Methods:A total of 56 (aged 7?18) student victims and their parents were selected to participate in a survey. The students had experienced school violence from June 2012 to October 2013. They completed a set of self-report questionnaires, including socio-demographic characteristics, family relationship, Impact of Event Scale-Revised, Child Depression Inventory (CDI), Beck Depression Inventory, Revised Children’s Manifest Anxiety Scale, and Parental Bonding Instrument to evaluate psychiatric complications and to understand the emotional bonding between them. Results:The student’s level of impact of event was significantly related to the parent’s level of impact of event (p<.001). The student’s high CDI score showed positive correlation with high level of impact of event (p<.001). In addition, higher level of the student’s perceived emotional support and understandability of family showed association with lower level of impact of event (p<.01, p<.05). Conclusion:The results of this study suggest that the psychiatric sequelae of school violence is seriously affected by family support and parent’s level of impact of event. Therefore, more active intervention is needed for both students and their parents.
장혁,Jang, Hyuk 대한전자공학회 2003 전자공학회지 Vol.30 No.1
이동 전자기기 혹은 이동 전원에 적용 가능한 휴대용 Fuel Cell에 필요한 재료는 놀은 전력을 요구하는 주택용이나 무공해 자동차용 및 대형발전 장비용 Fuel Cell과는 다르게 이해되어야 한다. 휴대용 Fuel Cell은 상온, 상압에서 작동되어야 하고 Fuel Cell의 효율을 높이기 위한 여러가지 주변 장치들이 제거 혹은 소형화 되어야 하므로, 이러한 열악한 조건에 적합한 재료의 개발이 필수적이다. 본 논문에서는 휴대용 Fuel Cell이 요구하는 촉매층, 확산전극, 수소이온 전도막 재료 및 Stack 혹은 Cell Pack의 개념에 대해 설명하고자 하며, 본 연구소에서 개발한 소형 PEMFC(MEA : 400㎽/㎠-무가습 수소/공기, 1 Bar, 30℃, Membrane: 0.1S/㎝; Stack : 40W)와 소형 DMFC (MEA : 50㎽/㎠-5M 메탄올 Passive, 상온 ; MEA : 100㎽/㎠ 2M 메탄올-Active, 1Bar, 상온 ; Membrane : Hybrid : Cell Pack : 2W)와 관련한 기술내용 및 상용화 전망에 대하여 언급하였다.