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Activating needle coke to develop anode catalyst for direct methanol fuel cell
Young Hun Park, Ui-Su Im, Byung-Rok Lee, Dong-Hyun Peck, Sang-Kyung Kim, Young Woo Rhee, Doo-Hwan Jung 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 7 47-52 (6 pages)
Physical and electrochemical qualities were analyzed after KOH activation of a direct methanol fuel cell using needle coke as anode supporter. The results of research on support loaded with platinum-ruthenium suggest that an activated KOH needle coke container has the lowest onset potential and the highest degree of catalyst activity among all commercial catalysts. Through an analysis of the CO stripping voltammetry, we found that KOH activated catalysis showed a 21% higher electrochemical... -
볏짚 이용 Bio-SRF 활용을 위한 Torrefaction 반응 특성 연구
남성방, 임용택, 구재회, 남상익, 김윤명, 오세천, Jeeban Poudel 한국열환경공학회 열환경공학 8 Pages
한국열환경공학회 열환경공학 2015, 제 12권 2호 4 25-32 (8 pages)
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고발열량 연료 생산을 위한 우분 이용 Torrefaction 반응 특성 연구
남성방, 임용택, 구재회, 남상익, 박길주, 오세천, Jeeban Poudel 한국열환경공학회 열환경공학 8 Pages
한국열환경공학회 열환경공학 2015, 제 12권 2호 2 9-16 (8 pages)
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A Choice of Nightmares: The Fisher King and the Horror in Heart of Darkness and Apocalypse Now
Youngkul Kim 이화여자대학교 교과교육연구소 Eastwest Education 46 Pages
이화여자대학교 교과교육연구소 Eastwest Education 2006, Vol.23 2 13-58 (46 pages)
This study investigates Joseph Conrad's Heart of Darkness and its film adaptation, Francis Ford Coppola’s Apocalypse Now, by examining the character of the Fisher King, a common figure at the beginning of human society who was later incorporated into romance literature, especially in the quest for the Holy Grail in the Arthurian legend. A superior warrior of godlike proportions, he leads his people to health and prosperity; as Fisher King, however, he becomes sick, and that sickness is... -
Rethinking Story Reading in U.S. Preschools: Making Story Comprehension and Social-Emotional Understanding the Priority
Judith A. Schickedanz 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 21 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2014, Vol.8 No.2 2 5-25 (21 pages)
This paper begins with a brief historical overview that provides a context for understanding approaches to story reading in U.S. preschools. It also discusses factors that have prompted a new trend in story reading, one emphasizing story comprehension directly, not as a vehicle for developing only oral vocabulary and print-related literacy skills. This backdrop, as well as discussions of new research and achievement difficulties in school-age children, sets the stage for the author’s suggestion... -
Unveiling the Challenges of Home-School Collaboration in Special Schools of Nepal
Jung Dae Young, Nam Raj Neupane 한국통합교육학회 통합교육연구 23 Pages
한국통합교육학회 통합교육연구 2019, 제 14권 제 1호 3 57-79 (23 pages)
The study attempts to investigate current realities and challenges of home-school collaboration in the special schools of Nepal. The study is based on qualitative paradigm and followed by descriptive research design. Five special schools from Kathmandu valley (Kathmandu, Bhaktapur and Lalitpur districts) were selected for the study by purposive sampling method. From these schools, five head teachers were automatically selected, five teachers and five parents (one from each school) were selected... -
Catalytic hydrogenation-assisted preparation of melt spinnable pitches from petroleum residue for making mesophase pitch based carbon fibers
Dong Hun Lee, Jisu Choi, Young Se Oh, Yoong Ahm Kim, Kap Seung Yang, Ho Jin Ryu, Yong Jung Kim 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 4 28-35 (8 pages)
We demonstrated an effective way of preparing melt spinnable mesophase pitches via catalytic hydrogenation of petroleum residue (fluidized catalytic cracking-decant oil) and their subsequent thermal soaking. The mesophase pitches thus obtained were analyzed in terms of their viscosity, elemental composition, solubility, molecular weight, softening point and optical texture. We found that zeolite-induced catalytic hydrogenation under high hydrogen pressure contributed to a large variation in the... -
Achieving universal primary education and EIU
ColinPower 한국국제이해교육학회 국제이해교육연구 31 Pages
한국국제이해교육학회 국제이해교육연구 2010, 제 5권 1호 4 66-96 (31 pages)
본고는 보편적 초등교육Universal Primary Education의 목표가 아시아 태평양 지역국가에서 어느 정도 달성되었는지를 검토해보고자 하는 것이다. 따라서 보편적 초등교육의 목표를 이루는 데 있어서 그 장애요소는 무엇이고 영향력 있는 요소가 무엇인지 살펴보고, 또한 초등교육의 질에 관한 연 구를 분석하고자 하는 것이다. 궁극적으로 질적인 보편적 초등교육은 빈곤을 감소시키고 지속가능한 발전을 이루는 데 핵심적인 역할을 할 것이며 그리하여 이러한 성취 위에서 초등학교교육을 포함한 모든 단위의 교육수준에서 상생과... -
Synthesize multi-walled carbon nanotubes via catalytic chemical vapour deposition method on Fe-Ni bimetallic catalyst supported on kaolin
Aliyu A, Abdulkareem AS, Kovo AS, Abubakre OK, Tijani JO, Kariim I 한국탄소학회 Carbon Letters 18 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 5 33-50 (18 pages)
In this study, Fe-Ni bimetallic catalyst supported on kaolin is prepared by a wet impregnation method. The effects of mass of kaolin support, pre-calcination time, pre-calcination temperature and stirring speed on catalyst yields are examined. Then, the optimal supported Fe-Ni catalyst is utilised to produce multi-walled carbon nanotubes (MWCNTs) using catalytic chemical vapour deposition (CCVD) method. The catalysts and MWCNTs prepared using the optimal conditions are characterized using high...
