http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
과학영재교육원 고등사사 과정에서 수행된 연필심과 종이의 미시적 관찰 연구
박지원 ( J. W. Park ),원도윤 ( D. Y. Won ),임지천 ( J. C. Lim ) 전북대학교 과학교육연구소 2011 과학과 과학교육 논문지 Vol.36 No.-
We chose both lead in pencils and papers as research objects from ordinary materials in the surroundings of our everyday life. The microscopic observation of the objects was performed by employing a SEM (with EDS) at KBSI. The difference between micro structures for lead in pencils is not big. We, however, confirm some differences in contents of the components of clay through the qualitative EDS analyses. In addition, Hanji is shown better properties, for both water absorption and ventilation, than other papers, through the comparative study of micro structures for various papers.