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Carbon-based Materials for Atomic Energy Reactor

  • Sathiyamoorthy, D.;Sur, A.K.
    • Carbon letters
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    • v.4 no.1
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    • pp.36-39
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    • 2003
  • Carbon and carbon-based materials are used in nuclear reactors and there has recently been growing interest to develop graphite and carbon based materials for high temperature nuclear and fusion reactors. Efforts are underway to develop high density carbon materials as well as amorphous isotropic carbon for the application in thermal reactors. There has been research on coated nuclear fuel for high temperature reactor and research and development on coated fuels are now focused on fuel particles with high endurance during normal lifetime of the reactor. Since graphite as a moderator as well as structural material in high temperature reactors is one of the most favored choices, it is now felt to develop high density isotropic graphite with suitable coating for safe application of carbon based materials even in oxidizing or water vapor environment. Carboncarbon composite materials compared to conventional graphite materials are now being looked into as the promising materials for the fusion reactor due their ability to have high thermal conductivity and high thermal shock resistance. This paper deals with the application of carbon materials on various nuclear reactors related issues and addresses the current need for focused research on novel carbon materials for future new generation nuclear reactors.

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A Study of Fetishism in Fashion -Underwear Fetish- (패션에 나타난 페티시즘 연구 -언더웨어 페티시(Underwear Fetish)-)

  • 이의정;양숙희
    • Journal of the Korean Society of Clothing and Textiles
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    • v.23 no.2
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    • pp.272-283
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    • 1999
  • Fetishism originated from the cultural and social products is related to many aspects of arts and sciences ; postmodernism psychoanalysis and subculture of pornography. Fetishism was reflected on fashion and now has been one of hot issues in high fashion, Waist was one of the erotic zone of body both in man and woman and sadomasockhistic fetishism was originated from physical damages on this zone. The aim of this experiment was to study what kind of fetishism was revealed on fashion especially in women and men's underwear fetish. In conclusion fetishism which has a long history and now been a one of popular high fashions in Western society is still unfamiliar to Korean fashion society. Researches of fetishism including deviant sex was still restricted in Korean society due to "Confuncianism" which has been a ruling philosophies in Korean culture. However the sex moral in modern Korean society is now being generous year by year and sex is no more a toboo to talk with. Fashion fashion will increase its market share in near future in Korea and 력\ulcorner studies of fetishism is needed.

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An Analytical Study on the Patents Substance of Urban Underground Space Development Technology (도시지하공간 개발기술에 대한 특허동향 분석)

  • Lee, Gahng-Ju
    • Journal of the Architectural Institute of Korea Structure & Construction
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    • v.35 no.6
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    • pp.129-137
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    • 2019
  • The purpose of this study is to present systematic information and direction to urban underground space development industry, civil engineering and R&D. Regarding the development of urban underground space, the situation in Korea, especially now in Seoul, can be called an underground Renaissance. The Superground project, which has been going on for several years through international competition, is now completed and is about to open the Seoul Architecture Museum. Leading underground space complex development project of Yeongdongdaero, which is the largest living underground space in human history, spectral projects such as the Seoul section of the GTX routes, making underground roads of the Dongbu Expressway and the Seobu Expressway are now speeding up progress. Recently, plans have been made to use the underground more actively through the restructuring project of Gwanghwamun Square, the face of Seoul. And then, patents are indispensable resources for establishing a strategy for R&D as one of the indices showing what technologies have been developed and what technology development will be done in the future. Based on this background, this study attempts to classify and define the technical elements of urban underground space development through the analysis of patents of major countries in the world, and analyze and present state of technology level and situation accordingly.

Re-evaluation of Countee Cullen's Life and Works: Based on the 'Miracle Book' (카운테이 컬른의 삶과 문학의 재평가 -'기적의 책'을 중심으로)

  • Kang, Shin-wook
    • Journal of English Language & Literature
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    • v.54 no.2
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    • pp.235-261
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    • 2008
  • Countee Cullen has never been fully understood as a poet or as a man, for there existed certain ambiguities concerning his earlier life including family background. But a short but enormously important biography written by Shirley Washington, his niece, a daughter of his youngest sister, titled Countee Cullen's Secret Revealed by Miracle Book: A Biography of His Childhood in New Orleans, has at last come to shed some lights on his childhood which has never been disclosed by Cullen himself or anyone else. Now we can safely say that Countee Cullen was a combination of two personalities, James S. Carter, Jr. and Countee Cullen, In other words, he was a good example of a 'dichotomous personality.' Such disclosure of two conflicting personalities gives us a rare chance to re-examine his literary works. We can now put in perspective why in his first collection of poems Color Countee Cullen was so ironic, dark, cynic, and pessimistic about the life and the world. Also, we can understand why Cullen's response to the jazz was so complex and contradictory and in what ways he used artistic technique to conceal his own feelings. Thanks to Washington's biography, we are now able to locate the real cause of his failure to mature as a poet and of his failure to materialize what was promised in the beginning of his literary career.

Characteristics of Hanfu Street Snaps on TikTok (틱톡에 나타난 한푸 스트리트 스냅의 특성)

  • Zhang, Luyue;Yim, Eun-Hyuk
    • Fashion & Textile Research Journal
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    • v.24 no.5
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    • pp.519-529
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    • 2022
  • This research analyzed the characteristics of Hanfu street snaps in the Chinese version of TikTok to determine the development and meaning of Hanfu. Based on grounded theory, this study selected 102 representative cases by sorting Hanfu street snaps on TikTok according to popularity. Subsequently, through open coding, the cases were organized and summarized into five main categories. The findings are as follows: 1) The national cultural pride has enabled a greater number of Hanfu fans and groups to upload short videos promoting the Hanfu movement on TikTok to expand the influence of the activities and popularize cultural knowledge. 2) The users attempted cross-cultural communication by participating in cultural festivals in Western countries wearing Hanfu. 3) The 'See now buy now' function of TikTok enables numerous Hanfu merchants to upload short videos about Hanfu products to promote their products and boost sales. 4) As 'gamification' affects everyday life, computer game enthusiasts among them wear Hanfu in the form of role-playing. 5)As a unique "meme" phenomenon on TikTok, wearing Hanfu to make interesting videos has also become a form of entertainment. Thus, although the characteristics of Hanfu street snaps on TikTok originated from the transmission of Hanfu culture, the culture has now been transformed through social media into symbolic consumption and play culture.

The changes in the Korean Mask Dramas of the Central and Northern Regions after the Korean War (6.25전쟁 이후의 중·북부지역 가면극의 변화양상)

  • Jeon, Kyung-Wook
    • (The) Research of the performance art and culture
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    • no.22
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    • pp.5-43
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    • 2011
  • Before the Korean War, Korean mask dramas had been performed as parts of seasonal customs and had been passed down in connection with various seasonal events, such as village rites, tug of war, torch fighting, Jisinbabgi(stepping on evil spirits), Gilnori, and Sattonoreum. However, after the Korean War, the dramas were played independently regardless of those seasonal events; thus, they have lost their original functions and meanings. After the Korean War, the lion dance in the Bukcheong lion mask play included two lions (as opposed to one lion prior to the Korean War) and the Aeonesung and Sadang dances were added. The scene in which a lion eats a child changed to a lion eating a rabbit doll. Furthermore, whereas mask types used to be diverse, they are now standardized to one type of lion mask. In the Yangju Byulsandae-nori, eight monks and Waejangnye, Aesadang appeared in 'Aesadang Bubgonori', but now the Malddugi mask character is added. Current performances omit sexually suggestive scenes. In the pre-Korean War version of the old man and old woman act, the old man sang a song to the soul of the dead woman, but now a shaman appears and performs an exorcism. In the dialogues, vulgar and sexual statements have been shortened as many audience members are women and children. Regarding the appearance of the masks, the lotus leaf, the monk with Scabies, and sannim masks have been significantly changed. Bongsantalchum has also changed, especially in the old monk act. Previously, two Somu used to appear whereas now only one appears. The scene of the shoe seller's and the monkey's departure is also different. Furthermore, while the former masks once had big eye holes on each side of the nose, now the masks have smaller holes on the eyes.

Venture Now

  • Korea Venture Business Association
    • Venture DIGEST
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    • s.92
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    • pp.16-19
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    • 2006
  • 와이브로 원년 초읽기/ 디지털 컨버전스 이끄는 와이브로/ 벤처, 와이브로 핵심기술 개발/ 벤처, 와이브로 중계기 점령

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