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정미숙(Chung, Mi Sook) 한국교양교육학회 2007 교양교육연구 Vol.1 No.2
This article has reviewed the small group discussion courses for reading, speaking, listening, and writing at Duksung Women s University. These courses were mandated as requisite liberal arts courses in 1969. From 1969 to 1977, in the <Reading>, students were instructed to write essays after readings. Later, courses such as <Study in Humanities>, <Human Being in Society>, and <Introduction to Literature> were introduced. As the titles, organizations, and contents of the courses changed, other courses such as <Seminars in Philosophy>, <Seminars in Literature>, <Research Methodology and Writing>, <University Study Skills>, <Communication>, <Critical Reading>, and finally <Critical Reading and Writing>were added. Through these courses, students were able to appreciate different perspectives and also develope their creative and critical thinking capabilities in order to prepare them for the entry into information society. In 1997 and 1998, small group discussion courses accounted for 8.3% of the total credits required for graduation. However, recently this has decreased to 3.1%. This study found that, with 2 courses, <Critical Reading and Writing in Literature> and <Critical Reading and Writing in Humanities and Natural Science>, where writing ability was not addressed intensively, limitations were remained. Therefore, it is recommended that the university improve the quality of these courses by keeping writing as a separate course and including all four disciplines (philosophy, literature, humanities and social science, and natural science) in seminar courses.
대기 이산화탄소 증가와 질소 시비가 뱍합나무 유묘의 생장과 탄소 흡수에 미치는 영향
정미숙 ( Mi Sook Chung ),한심희 ( Sim Hee Han ),김두현 ( Du Hyunkim ),이재천 ( Jae Cheon Lee ),김판기 ( Pan Gi Kim ) 한국농림기상학회 2012 한국농림기상학회지 Vol.14 No.3
To investigate the responses of yellow poplar (Liriodendron tulipifera L.) seedlings to the interactive effects of the elevated atmospheric CO₂ level and nitrogen addition, we measured biomass, photosynthetic pigments, photosynthesis, and the comtents of nitrogen (N) and carbon (C) from the seedlings after 16 weeks of the treatments. Yellow poplar seedlings were grown under the ambient (400umol mol?¹)and the elevated (560 and 720 mol?¹) CO₂concentratoins with three different N addition levels (1.2, 2.4, and 3.6 g kg?¹) in the Open Top Chambers (OTC). The dry weight of the seedlings enhanced with the increased N levels under the elevated CO₂concentrations and the increment of the dry weight differed among the different N levels. Photosynthetic pigment content of the yellow poplar leaves also increased with the increase of the CO₂concentration levels. The effects of the N levels in the photosynthetic pigment cont, were significantly different among the CO₂levels. Photosynthetic rates were affected by the levels of CO₂and N concentrations. Stomatal conducatance and transpiration rates increased with increasing CO₂concentration. The carboxylation efficiency of the seedlings without N addition increased under the higher CO₂concentrations whereas that with N addition decreased under the elevated CO₂concentrations. Nitrogen and carbon uptake in leaf, stem, and root increased with the elevated CO₂concentration level and N addition. In conclusion, under the elevated CO₂concentrations, physiological characteristics and carbon uptake of the yellow poplar seedling were improved and increased with N addition.
연구논문 : 저장조건에 따른 싸주아리쑥 정유의 휘발성 성분 변화
정미숙 ( Mi Sook Chung ) 한국식품조리과학회 2010 한국식품조리과학회지 Vol.26 No.6
In this study, we identified the volatile compounds of Artemisia princeps Pampan. Cv. Ssajuari (ssajuarissuk) essential oils and analyzed changes in the contents of volatile compounds under four different storage conditions, such as exposure to air at 20℃ and 40℃. Sixty-five volatile compounds consisting of 6 monoterpene hydrocarbons, 23 oxygenated monoterpenes, 16 sesquiterpene hydrocarbons, 6 oxygenated sesquiterpenes, I diterpene, 6 benzene derivatives, and 7 non-isoprenoid compounds were identified on the basis of their mass spectra characteristics and retention indices from original ssajuarissuk essential oils. Identified compounds constituted 90.56% of the total peak area. Bomeol (l0.29%) was the most abundant compound in the original ssajuarissuk essential oils, followed by 1.8-cineole (9.06%), viridiflorol (8.99%), spathulenol (8.73%), a-thujone (5.28%), and camphor (4.39%). After six months storage at 40℃ with the cap opened for 3 min everyday, the total amount of volatile compounds in essential oil as determined by the percentage peak area decreased by 84.93%. The total levels of cis-sabinene hydrate, camphor. 4-terpincol, humulene oxide, β-caryophyllene oxide, and caryophyllene alcohol increased significantly. For ssajuarissuk essential oils stored under experimental conditions, changes in the contents of volatile compounds in essential oils were accelerated by temperature and contact with the atmosphere.
장미란 ( Mi Ran Jang ),서지은 ( Ji Eun Seo ),이제혁 ( Je Hyuk Lee ),정미숙 ( Mi Sook Chung ),김건희 ( Gun Hee Kim ) 한국식품영양학회 2010 韓國食品營養學會誌 Vol.23 No.2
The aim of this study was to investigate antibacterial activities of essential oil from C. morifolium against four Gram-positive bacteria and six Gram-negative bacteria. The antibacterial activity of the oils was determined by agar-well diffusion assay, minimum inhibitory concentration(MIC), and minimum bactericidal concentration(MBC). Essential oil of C. morifolium had a large inhibition zones especially against Salmonella enterica(21 mm) and Bacillus cereus(l9 mm). Essential oil of C. morifolium generally show4 higher antibacterial activity against Gm-positive bacteria than Gram-negative bacteria. MIC of essential oil from C. morifolium was 5㎕/㎖ against ten food-borne pathogens. MBC values were determined to be from 5 to 20㎕㎖ against eight bacteria except Salmonella choleraesuis and Listeria monocytogenes. Therefore, the essential oil of C. morifolium and its components have a potent antibacterial activity against food-borne pathogens, and is expected to be used as a novel food preservative.