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인종주의에 관한 토니 모리슨의 사유 : 비창작작품을 중심으로
권혁미 남서울대학교 2010 남서울대학교 논문집 Vol.16 No.1-2
This paper traces Toni Morrison's thought about racism in her non-fiction stories, interviews and biographies. Morrison, the first Afro-American Nobel Prize winner, has written a lot of manuscripts. Therefore there have been a great number of criticisms about the themes of her works from various perspectives. But I believe one common theme of her works is racism. Afro-Americans in the past had experienced oppression which impacted their lives negatively and had remained traumatized. Even after their emancipation from slavery by law, they were not liberated in real life. Through her characters during the slavery period, or descendants of slaves in her works, Morrison reveals that slaves were taken advantage of as the Other to prove white people's superior identities and that the media have manipulated the public opinions against the Afro-Americans. Morrison also attempts to convey through her writings how ex-slaves have overcome their traumas and have rebuilt their forgotten history. Examining her non-fiction stories provides a good basis for analyzing Morrison's fictions. This ensures that her creative writings have been accomplished for the benefit of the whole mankind as well as the Afro-Americans. Key Words : Toni Morrison, racism, Afro-American, non-fiction
장혁순 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Schwannomas arising from the cervical sympathetic chain is not common. It is most often manifested as a solitary, benign, and slow-growing mass, and its malignant degeneration is rare. Recently, we experienced a case of schwannoma arising from cervical sympathetic chain. A 26-year-old man presented a left neck mass that was found incidentally. Measuring approximately 6x5cm, the mass was located medial to the left sternocleidomastoid muscle at the inferior portion of cricoid cartilage. Fine needle aspiration biopsy was performed and vague Verocay body-like structures were seen. Magnetic resonance imagings(MRI) showed a 6x4.1x3.2cm sized, relatively low signal intensity on T1-weighted images and high signal intensity on T2-weighted images in the left poststyloid parapharyngeal space. Tumor was excised via transcervical approach. Postoperatively, facial anhydrosis and miosis with ptosis in the left eye. was improved. We report this case with a brief review of literature.
시클로팬틸카비닐 및 시클로헵틸카비닐 아렌술포네이트와 아닐린과의 반응에 대한 메카니즘 연구
吳爀根 全北大學校 1996 論文集 Vol.41 No.-
The nucleophilic substitution reactions between cyclopentylcarbinyl and cycloheptylcarbinyl arenesulfonates and anilines in methanol at 65.0℃ are investigated, and the mechanism is discussed on the basis of various selectivity parameters, especially on the cross interaction, ρXZ(and βXZ). A stroger nucleophile is found to cause less bond cleavage while a better leaving group led to less bond formation, ρXZ is positive, and accordingly the transition state(TS) variations with substituents are consistant with those predicted by the potential energy surface diagram. The TS rather tight, but bond breaking is ahead of bond making with positive charge development at the reaction center in the TS. It concludes that the reactions of cycloalkylcarbinyl arenesulfonates proceed by an associative S_N2 process with earlier TS for a stronger nucleophile and a better leaving group
[1, 3]-OH 시그마 결합 자리옮김 반응에 관한 이론적 연구
오혁근,조인호 全北大學校 基礎科學硏究所 1987 基礎科學 Vol.10 No.1
The MNDO semiempirical MO method was used in determination of transition states and activation energy for [1,3]-OH sigmatropic rearrangement in 2-pro-pen-1-ol. Calculated results were also compared with [1,3]-H and [1,3]-CH_3 sigmatropic rearrangements. Considering of steric effect, bond order, Ao coefficient, and charge dispersion [1,3]-OH shift was found to be favorble than [1,3]-H and [1,3]-CH_3 shifts. We found that non=planar transition state of [1,3]-OH shift had lower energy barrier than planar transition state due to the stereoelectronic effect.
권혁민,강인식 경주대학교 2000 論文集 Vol.13 No.-
Four different methods. Clark area routing method. SCS TR-55, Nakayasu synthetic hint hydrograph, and kajiyama formula were used to calculate the desi후 flood for Deok Dong reservoir watershed located in Kyung Ju. The results obtained using Clark area routing method were determined as the design flood for the watershed. The recurrence interval of 500 years was selected for the watershed. The design runoff hydrographs were routed through reservoir using the Puls method. The actual storm events which were relatively large in their magnitudes were also analyzed. The outflow calculated in this study showed considerable differences from results available in the literatures. The several errors that can not be ignored found in the literatures were indicated and explained to provide more accurate results for the watershed. Some basic informations useful for the prevention of disaster due to heavy storms were proposed.
석이에서 분리한 GE974의 α-Glucosidase 저해효과
최혁재,김남재,김동현 경희대학교 동서의학연구소 2001 東西醫學硏究所 論文集 Vol.2000 No.-
This study was conducted to search for the α-glucosidase inhibitor from the natural products. In the previous study, the water extract of Gyrophora esculenta exhibited a potent inhibitory effect on α-glucosidase activities. Then, by bioassay-guided fractionation followed by chromatographic seperation of the water extract of Gyrophora esculenta, α-glucosidase inhibitor was isolated as GE974. GE974 showed significant inhibitory activities on some kinds of α-glucosidases in vitro. Its inhibitory mechanism seemed to be competitive for disaccharides. Also, it markedly inhibited α-glucosidases of intestine separated from both nondiabetics and diabetics.
최혁재,김남재,김동현 경희대학교 동서의학연구소 2001 東西醫學硏究所 論文集 Vol.2000 No.-
GE974, isolated from Gyrophora esculenta, showed significant inhibitory effect on several α-glucosidases in vitro in previous study. In the present study, GE974 showed significant inhibitory effect on blood glucose elevation in mice loaded with maltose, sucrose, starch and lactose. Also, it exhibited similar effect in alloxan and streptozotocin induced diabetic mice, and genetic diabetic mice(db/db mice) loaded with maltose in dose dependent manner. These results suggest that GE974 may possess hypoglycemic effect that inhibit competitively α-glucosidase activities.
권혁무,김광재 한국경영과학회 1999 한국경영과학회지 Vol.24 No.1
An economic procedure of selective assembly is proposed when a product is composed of two mating components The major quality characteristic of the clearance between the two components The components are divided into several classes prior to assembly The component characteristics are assumed to be independently and normally distributed with equal variance The procedure is designed so that the proportions of both components in their corresponding classes are the sane A cost model is developed based on a quadratic loss function and methods of obtaining the optimal class limits as well as the optimal number of classes are provided Formulas for obtaining the proportion of rejection and unavailability of mating components are also provided The proposed model is compared with the equal width and equal area partitioning methods using a numerical example
권혁무,김정택,최준호 한국품질경영학회 2000 품질혁신 Vol.1 No.1
본 사례는 국내 APT 건설 현장에서 수행된 식스시그마 프로젝트에 대한 것으로 페콘크리트 발생 저감 및 잔량발생에 영향을 미치는 주요 인자들을 파악하고 개선안을 도출하는 과정을 보였다. 프로젝트는 식스시그마의 방법론을 따라 정의, 측정, 분석, 개선, 관리의 절차에 따라 주요 변수를 규명하고 개선안을 찾아내는 식으로 진행되었다. 분석결과 페콘크리트 발생을 줄이기 위해서는 첫째, 거푸집 시공 및 타설 프로세스를 개선하고 둘째, 압송관 및 펌프카 내 잔여 레미콘을 최소한으로 감소시키며 셋째, 최종적으로 남은 레미콘을 재활용할 수 있도록 하는 세가지로 요약되었다.