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初等敎師養成 敎育에 관한 硏究 : 主要國의 敎師敎育 制度 比較
鄭馹煥 仁川敎育大學校 1991 論文集 Vol.25 No.1
첫째로, 敎師敎育의 機關은 多樣性에서 漸次 一元化를 摸索하고 잇는 傾向이라 하겠다. 각기 다른 文化環境과 社會環境 가운데에서 國民敎育의 次元이 그 展開過程에서 人力需給上 産業構造의 發達過程 敎育의 質 確保라는 名題밑에서 改善에 努力하고 있다고 할 것이다. 둘째로, 敎師敎育機關의 入學資格도 日本과 美國을 除外하고는 比較的 資格要件이 서로 다르기 때문에 細分化 되어 가고 있는 實情이다. 修習年限도 1年에서 5年까지 요구하고 있으나, 初·中等敎師의 區分없이 大學課程인 3∼4年의 履修年限을 勸奬, 實施하고 잇으며 美, 英, 獨逸에서는 碩士課程에 버금갈 만한 5年의 授業年限을 實施 또는 計劃하고 있다. 결국 各國의 共通點은 敎員需給計劃과 敎員의 質的 確保方案과의 均衡있는 制度마련에 腐心하고 있음을 알 수 있겠다. 셋째로, 敎師敎育의 內容은 敎職敎育과 專攻敎育의 比重을 어디에 둘 것인가에 따라 그 樣相이 달라진다고 볼 수있으며 世界的인 趨勢는 敎職敎育의 强化라고 할 수 있겠다. 넷째로, 敎師敎育의 領域으로는 敎職敎育과 專攻敎育 그리고 一般敎養敎育으로 區分되고 있지만 制度上으로는, 簡潔하면서도 實際에 있어서는 큰 副作用이 없는 나라가 日本과 美國을 들 수 있다. 이는 學點配定과 敎職課程 運營上에 많은 示唆點을 던지고 있다. 다섯째로, 敎師敎育에서 가장 중요하게 여기는 敎育實習을 學點化하는 趨勢이고 日本이나 우리나라의 2週내지 6週의 期間이 가장 짧은 實習期間이고 大部分(英國 15週, 美國 1個學期, 佛蘭西 3個月 내지 1年間, 獨逸 8∼20週 程度)긴 期間의 實習을 必須 不可缺의 것으로 되어 있어 실용적인 敎科敎育에 力點을 두고 있음을 알 수 있겠다. 여섯째로, 敎師敎育을 통해서 取得되는 資格制度는 그 나라 敎員需給案에 附合되는 多樣한 制度를 選擇하고 있는 實情이라 하겠다. 따라서 多樣한 種類의 敎師資格證은 나라에 따라 다르다. 그러기 때문에 資格基準, 資格證發給處, 試驗方法, 敎科別表示, 有效期間등이 같을 수 없고 差等待遇에서 오는 制度運營上의 改善點도 찾아 볼 수 있다.
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母親의 養育態度가 子女의 問題行動傾向에 미치는 影響에 관한 硏究 : 母子의 認知 및 期待를 通해서
鄭馹煥 仁川敎育大學校 初等敎育硏究所 1971 교육논총 Vol.2 No.-
Ⅰ. 緖 論 Ⅱ. 硏究方法 1. 測定道具 2. 對 象 3. 調査方法 4. 資料 處理方法 Ⅲ. 結果 및 考察 1. 結 果 2. 考 察 3. 나머지 問題 參考文獻 附表(別添)
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구기자나무의 잎절편체로 부터의 Callus와 부정근유도에 미치는 영향
설일환,안인숙,조현제 대구산업정보대학 2000 논문집 Vol.14 No.2
Punctured leaf segments from Lycium chinense Mill. were cultured on the 3 different types of medum (B5, MS, WPM) containing different concentrations of auxins (2,4-D and NAA). After 12 weeks in culture, high amount of white and/or yellowish colored callus and number of roots were induced successfully. Among tested three types of medium, WPM containing 10μM of 2,4-D produced calli over 2 g per plate and the same medium containing 20μM NAA produced over 20 roots per leaf segment. The leaf segments on WPM showed the best responses unlike two medium, and lower concentrations of auxins showed the best results on inducing callus and producing adventitious roots. While comparing with control, callus induction did not occur however spontaneous roots were occurred resulting from that endogenous auxin contents in lycium leaf segments are high enough to induce. Currently, large scale of lycium cell culture is proceeding under the suspension culture methods and undergoing regeneration research for genetic transforamtion of Lycium chinense Mill..
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임용숙,설일환 동아시아식생활학회 2004 동아시아식생활학회지 Vol.14 No.5
In other to produce vinegar using Schizandru chinensis Ballon(omija), acetic acid bacteria(AAB) were selected from several conventional vinegars, and total 30 acetic acid bacterial strains were isolated. Among the isolated strains, a strain was selected from medium containing omija juice which showed the highest productivity of acetic acid. The strain was identified as Acetobucter sp. C5-1b. Optimum conditions for acetic acid production of Acetobacter sp. C5-1b were involved with 30℃ of fermentation temperature and shaking culture. The acidity of culture medium was reached to 5.3% after 8 days shaking cultivation at 30℃.
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이지영,이승우,김용구,정인식,설일환 慶熙大學校 1997 論文集 Vol.26 No.-
Experiments were conducted to find out the optimum cultural conditions for micro-cross sectioned leaf segments of Gypsuphila paniculata L. Gerbera hybrida and Dianthus caryophyllus. Survival percentages of micro-cross sectioned segments were the highest in gypsophila, followed by carnation. Gerbera showed on survived segments. In gypsophila, segments thicker than 400㎛ were required to obtain over 75% survival. The percentage of adventitious bud formation was much higher with 600㎛ segment as compared with 400㎛. The regeneration of micro-cross sectioned segments of gypsophila was not sensitively affected by the auxins at varying concentrations. The elongation of adventitious shoot was promoted by kinetin compared with BA. In segments of 600㎛ thickness, adventitious shoot formation was promoted by BA compared with kinetin Adventitious shoot formation or shoot growth was not affected by KNO_3 concentrations with the segments of 400㎛ thickness. But adventitious shoot elongation was promoted significantly with segments in 600㎛ thickness. KH_2PO_4 (170 mg/1, standard concentration of MS medium) was effective for adventitious shoot formation. MgSO_4 also promoted adventitious shoot formation myo-Inositol tended to be suppressed regeneration of gypsophila.
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배지조성에 따른 포플라 Callus의 Anthocyanin 생산
방혜진,이승우,최근원,정인식,설일환 慶熙大學校 1997 論文集 Vol.26 No.-
Studies were carried out to investigate the effect of cultural media on callus growth and anthocyanin production using the callus derived from the leaf discs of the Populus hybrid (Populusnigra × Populus maximowiczii cv. Yanghwangchul). Callus growth was the best in SH medium supplemented with 30 g·liter^-1 sucrose whereas anthocyanin production was maximum in White medium. But the amount of anthocyanin biosynthesis per vessel was the best in SH medium. Callus growth was similar in SH medium containing sucrose, fructose of glucose, but anthocyanin biosynthesis was enhanced in SH medium containing sucrose. Sucrose concentrations of 3.5% was the best for both callus growth and total amount of anthocyanin biosynthesis per vessel. Maltose suppressed both callus growth and anthocyanin biosynthesis. Callus growth was enhanced by higher concentrations(2X) of KNO_3 and CuSO_4, and by standard concentrations(1X) of CaCl_2 and H_3BO_3 in the medium. Total amount of anthocyanin biosynthesis was, however, somewhat different from the pattern of salts effects on callus growth.
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포플라 Callus의 배양환경에 따른 Anthocyanin 생합성
방혜진,이승우,최근원,정인식,설일환 경희대학교 생명자원과학연구원 1997 遺傳工學論文集 Vol.9 No.-
Studies were carried out to investigate the effects of various cultural and environmental conditions on callus growth and anthocyanin biosynthesis of the callus derived from the leaf discs of the Populus hybrid (Populus nigra × Populus maximowiczii cv. Yanghwangchul). Even though the largest amount of anthocyanin was obtained from the calli grown in the vessels illuminated with white fluorescent light, no significant differences in callus growth could be obtained among other vessels illuminated with different light qualities, i.e., red, yellow, blue, green and dark. Callus growth and anthocyanin biosynthesis were promoted by long-day conditions (16-hour photoperiod or longer). The calli grown in Schenk & Hildebrandt (SH) medium continuously (SH→SH) showed the best growth whereas the highest amount of anthocyanin biosynthesis was obtained in the calli grown in SH→SH or SH→White media.
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