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국민학교 국어교재의 전기문에 관한 연구 : 연구영역-국어교육
류준형 東亞大學校 國語國文學科 1976 국어국문학 Vol.1 No.-
1. "Biography" (Jun-gi) is an abbriviation of "Biographical letters" (Jungi-mun) this is the abbriviation of Biographical literature (Jungi mun-hak) so these terms are "genre" which is formed with the same concept. 2. Biographic letter sppears first in 3rd grade and is taken 14% of all in 21 chapters which are seperated upto 6th grade 5th grade takes 9chapter (24%) and has the most parts in the whole chapters and 6th grade has the least parts, 3chapters (9%) Deviding into the kinds of greatmen the least chapter is for governora(kings). Especially neither business man, saint, and phylosopher nor writer and musician in art not dealt with although(=othersvise). General yi, sun sin comes up twice. 3. With kinds of period the greatmen at yi-dynasty (the Dynasty of kingyi's) are overwhelmingly 7chapters(5%) and France is taken 3 chapters which are the first rate in kinds of the countries. In 3rd grade there appears mostly the youth's life and ancedate of greatmen's and in 4th grade their administrative achievement is heavy dealt adding to this. at the end of chapters in 5th and 6th grade the outline of their life is written with a brief personal critism. 4. Qualification with biographical letters is presented in itself lifelike feeling to the children over realistic materials, but on one hand there are some chapters that are not able to be understood correctly the great men's real personal image to the children because of excessive idealizotion against personality, on the other hand there are some chapters which seem not to be the concrete presentation given exitement to them. 5. In textfook for biographical letters is predicated childhood of a greatman, as if he is grown with ability for hero ar a man of character and it is apt to carry out a serious problem because ti is fixed early at beginning of his life or ecologically. It is a very concept of cultivation and training or so for children to be transmitted through the biographical letters. Human being who is stirable being is changed and developed unceasely so both unceasing effort and process is emphasized to be important until he get a name of hero or greatmen 6. Special leadership for biographical letters should be considered, because biographical letters is, in forming a view of value, not only the density is big but it is different from the other literature. 7. Except the textfooks story fook for great men which is overflown in town is reappraised in taking into account, and Children have to be led to read much a good one.
Magnetite 强磁性流體를 이용한 海上流布油類의 除去
金泰玉,柳奉奇 부산대학교 환경문제 연구소 1986 環境硏究報 Vol.4 No.-
In order to remove and recovery the oil spil on the sea-surface, the kerosene-based ferrofluid has been synthesized from the pickling-acid of cold-rolling mill in steel manufacturer with the low cost. By applying magnetic field on the ferrofluid sprayed on the water surface contaminated by the oil, the oil can be removed above 90% and the ferrofluid reused.
Park, Chi-Young,Rhue, Mi-Kyo,Lim, Jin-O,Kim, Chul-Hee The Polymer Society of Korea 2007 Macromolecular Research Vol.15 No.1
The amphiphilic block copolymer (PEtOz-PCL) of poly(2-ethyl-2-oxazoline) (PEtOz) and poly(${\varepsilon}$-caprolactone) (PCL) formed spherical micellar structures with an average diameter of 26 nm in aqueous phase. Au and Pd nanoparticles with an average diameter of $2{\sim}3nm$ were prepared by using the PEtOz-PCL micelle consisting of a PEtOz shell and PCL core. The Au nanoparticles of PEtOz-PCL micelles in aqueous phase could be transferred into organic phase by using n-dodecanethiol. The use of the Pd-NP/PEtOz-PCL micelle as a nanoreactor for Suzuki cross-coupling reaction was investigated.
Hydrogen-Bonding Induced Alternating Thin Films of Dendrimer and Block Copolymer Micelle
Park, Chi-Young,Rhue, Mi-Kyo,Im, Min-Ju,Kim, Chul-Hee The Polymer Society of Korea 2007 Macromolecular Research Vol.15 No.7
The hydrogen-bonding induced alternating multilayer thin films of dendrimers and block copolymer micelles were demonstrated. The block copolymer micelles derived from amphiphilic poly(2-ethyl-2-oxazoline)block-$poly({\varepsilon}-carprolactone)$ (PEtOz-PCL) in aqueous phase have a core-shell structure with a mean hydrodynamic diameter of 26 nm. The hydrogen bonding between the PEtOz outer shell of micelle and the carboxyl unit of poly(amidoamine) dendrimer of generation 4.5 (PAMAM-4.5G) at pH 3 was utilized as a driving force for the layerby-layer alternating deposition. The multilayer thin film was fabricated on the poly(methyl methacrylate) (PMMA) thin film spin-coated on silicon wafer or glass substrate by the alternate dipping of PEtOz-PCL micelles and PAMAM dendrimers in aqueous solution at pH 3. The formation of multilayer thin film was characterized by using ellipsometry, UV-vis spectroscopy, and atomic force microscopy. The PEtOz outer shell of PEtOz-PCL micelle provided the pH-responsive hydrogen bonding sites with peripheral carboxylic acids of PAM AM dendrimer. The multilayer thin film was reversibly removed after dipping in aqueous solution at $pH{\geq}5.6$ due to dissociation of the hydrogen bonding between PEtOz shell of PEtOz-PCL micelle and peripheral carboxyl units of PAMAM dendrimer.
Park, Chiyoung,Lee, Im Hae,Lee, Sanghwa,Song, Yumi,Rhue, Mikyo,Kim, Chulhee National Academy of Sciences 2006 PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF Vol.103 No.5
<P>The dendritic building blocks with a focal pyrene unit self-organize into vesicles in aqueous phase. The in situ inclusion of the focal pyrene units into the cavity of beta- or gamma-cyclodextrin (CD) induces self-assembled organic nanotubes with an average outer diameter of approximately 45 nm and inner diameter of 22 nm. The surface of the nanotube is covered with CD. Therefore, the functional group on the surface of the nanotube is controlled simply by modifying the functionality of CD. The removal of CD from the nanotube with poly(propylene glycol) reversibly generates vesicles. This work provides an efficient methodology not only to create an additional class of CD-covered organic nanotubes but also to exhibit reversible transformation of nanotubes and vesicles triggered by the motifs of dendron self-assembly, CD inclusion, and pseudorotaxane formation.</P>