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AH-66 Hepatoma 세포의 Histone에 관한 연구
최종오,이동욱,이희성 중앙대학교 의과대학 의과학연구소 1985 中央醫大誌 Vol.10 No.2
In attempt to investigate histone fractions of tumor cells, histone fractions HI, H2a, H2b, H3 and H4 were prepared from isolated nuclei of AH-66 hepatoma cells and histone fractions were characterized by amino acid analysis and by polyacrylamide disc gel electrophoresis. The results obtained were as follows; 1, The five histone fractions found in most tissues were also present in the AH-66 hepatoma cell histories. 2. The yield of whole histone was 6.46mg per g of packed cells. 3. The yield of DNA was 14.78mg per g packed cells. Consequently the DNA to histone ratio was 1:0.44. 4. The relative amounts of five fractions, i.e., H1, H2a, H2b, H3 and H4 were 15.64% 34.83%, 21,21%, 11.76% and 16.56%, respectively. The data presented in this report show that there is a considerable variation in the relative amounts of histone fractions as compared to those of calf thymus. 5. The electrophoretic mobility of individual histone fractions gave almost similar patterns to those of corresponding fractions of calf thymus. 6. Amino acid analysis of the individual histone fractions showed that the over-all compositions were similar but not identical to those of corresponding fractions from calf thymus and other tumor cells. 7. Histone fractions HI, H2b. H3 and H4 were found to contain detectable amounts of ε-N-monomethyllysine. Usually the methylated derivatives of histidine have been reported in histone Hi fraction of Sarcoma 180 ascites tumor cells and Walker 256 carcinosarcoma. However, the methylated histidine residue was not found in all histone fractions from AH-66 hepatoma cells. 8. The evidence was presented that AH-66 hepatoma cells contained five major histone fractions which were homologous to corresponding five fractions of calf thymus.
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1930년대 신식요리강습회로 본 상류층의 '식생활개선'
이은희(Lee, Eun?hi) 한국역사연구회 2013 역사와 현실 Vol.- No.88
This paper scrutinizes a specific social factor which was the Koreans" acceptance of a particular consumption pattern from abroad. The purpose of such acceptance was to improve Koreans" dietary lifestyle. Previous studies focused their attention upon the consumption?repressive propaganda of the Joseon Governer General office. But it should be noted that cooking classes promoting new kind of diets were arranged at the time, and that they targeted the affluent class, eventually serving as a Consumer movement encouraging purchase of modern diets. The Lifestyle Improvement Movement of the 1920s tried to implant westernized diets on the Koreans" lives. And the Korean population rejected that movement, as it ignored both traditional foods and the public"s purchasing power. In response, the Lifestyle Improvement Movement developed new foods fusing traditional food and westernized Japanese spices in the 1930s. The rich people became the targets, primarily because of their purchasing power. As a part of the Lifestyle Improvement Movement in Seoul, YWCA invited women from prosperous families to cooking classes. And in rural areas, commercial shops took advantage of this atmosphere by offering cooking classes. As a result, modern food became symbols of the high class figures, while Korea was being assimilated into the Japanese food market. Hence, Korean traditional food underwent a phase of change. This paper traced the historical origin of what led to the popularization of western diets in the Koreans" lifestyle.
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權熹耕 대구효성가톨릭대학교 1984 연구논문집 Vol.29 No.1
In this paper Seventy six paintings of Yi Dynasty are stupied in detail. They were paintd by Yun Tu-s??(Kong Jae), his son Yun D??k-hi(Nak S??) and his grandson Yun Yong(Ch'??ng Go). All of them have been stored in Yun's head family located at Y??n-dong Ri, Henam Ub, Henam Gun, Ch'??n-nam province in Korea. Eventhough Kong Jae (Yun Tu-s??) was born in the later 17 Century as a son of a classical scholar, he lived in his whole life not as a government official, but as a poet and painter because of severe factional strife. Being grown in the intermingled period of the Cho-s??n traditional painting style and Che school, he could suggest a new direction for Yi Dynasty painting style owing to the influence of pragmatism just imported from Yon(China) by a party of the Korean diplomatic envoy. He also began to develop the realism imported from Ching (China) in the period when the painting style was mixed with Nam-jong school. It can be concluded that he opened a Korean painting style in the field of the landscape in the following generation. The representative paintings are "Actual landscape" of Ch'??ng S??n(Kyun Jae) and the genre paintings of Kim Hong-do(Dan Won) and) Shin Yun-Bok(Hae Won). It is apparent that Yun Tu-s?? painted his "self portrait" with realistic skill and in his genre paintings he selected the Korean materials. From his landscapes the characteristics of his painting style could be follwed up. The influence of his painting style on the paintings of middle and/or later Yi Dynasty was also discussed. It can be insisted that the definite characteristics of the paintings of his son (D??k-hi) and grandson (Ch'??ng-go) in their genre paintings should to the style of Yun Tu-s??.
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An Efficient Computation of the MDCR/IMDCT For MPEG Audio Layer-Ⅲ
Kim, Hi Seok 청주대학교 산업과학연구소 2005 産業科學硏究 Vol.23 No.1
본 논문은 MDCT와 IMDCT에 대해서 DCT-Ⅱ에 기반을 둔 효율적인 알고리즘을 제안하였다. 본 논문에서, 우리는 MDCT와 IMDCT 결과를 동시에 연산하기 위한 공통 커널을 추출한다. 또한 제안한 공통 커널은 매우 균형적인 구조를 갖기 때문에, 파이프라인화 된 병렬 구조로서 구현이 가능하다. 결과적으로 제안한 알고리즘의 복잡도는 기존의 알고리즘들의 복잡도보다 낮기 때문에 성능이 우수함을 알 수 있었다. This paper presents an efficient algorithm of the Modified Discrete Cosine Transform (MDCT) and its inverse transform (IMDCT) for MPEG Layer -Ⅲ. The poposed algorithm is based on the DCT of type Ⅱ (DCT-Ⅱ). In this paper, by extracting a common transform kernel to compute both the MDCT and IMDCT. we obtain a unified structure for computation of both of them. Also, since the proposed unified structure is very symmetrical, it is suitable to utilized to the parallel or pipelined VLSI implementation of the MDCT/IMDCT. Furthermore, it requires less calculation complexity than the existing algorithms.
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정희선,박철 德成女子大學校 1993 德成女大論文集 Vol.22 No.-
Hi-sun Chung & Cheol Park. An Experimental Study of Corporate Advertising Effectiveness on Corporate Image Change. The purpose of this study is to examine the effectiveness of corporate advertising on corporate image through an experimental research design. The major findings of the study are as follows: (1) the corporate advertising has a positive effect on the corporate image change, but it is not strong enough to be of any statistical significance; (2) a significant difference in audience response is found with varying types of corporate advertising and also with varying nature of the pre-existing corporate image-the sympathetic advertisements are more successful than the persuasive ones in inducing the more positive response, and the groups with favorable pre-existing image showed a more positive response than those with hostile pre-existing image; and (3) the nature of pre-existing corporate image is more influential than the nature of corporate advertising in shaping new corporate image.
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金熙鍾,朴文浩,金勇熙 동아대학교 공과대학 부설 한국자원개발연구소 1980 硏究報告 Vol.4 No.2
Expansive agent, that is widely put into use in U.S., U.S.S.R., Japan and other developed countries, has not been made in our country yet. In this article, new expansion agent is attempted by using limestone, alunite and anthracite ashes in order to put into our actual use, and the compressive and tensile strength and the expansion rate of two kinds of concrete, made with Japanese Agent Type A and our developmental expansive agent, were comparised through a lot of tests. According to our test results, when the same amount of agent was admixed in concrete the compressive and tensile strength of our new expansion agent was much higher than that of Japanese and also σ_(28) was increased by 4% as to that of normal Concrete. In case of the expansion rate, if was proportioned to the admixing amount and the most suitable mixing amount in the structual construction was 1%.
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