• 제목/요약/키워드: Past History

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Tectonics, sedimentation, and magmatism of the Cretaceous Gyeongsang (Kyongsang) Basin, Korea: Integrated approach to defining basin history and event mineralization

  • Chang, Ryu-In;Park, Seon-Gyu;Meen, Wee-Soo;Lee, Sang-Yeol
    • 대한자원환경지질학회:학술대회논문집
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    • 대한자원환경지질학회 2003년도 춘계 학술발표회 논문집
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    • pp.27-31
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    • 2003
  • During the past decade, integrated stratigraphy has been effectively applied to many sedimentary basins to analyze stratigraphic response to tectonic evolution. This application has been beneficial to hydrocarbon exploration in the basins because it provides a better understanding of temporal and spatial relationships of hydrocarbon source and reservoir rocks as a function of basin evolution. Like the maturation, migration, and trapping of hydrocarbons, ore-forming processes in hydrothermal deposits may be causally linked to particular phases of basin evolution. Consequently, applying integrated stratigraphy to mineral exploration may be a logical and helpful approach to understanding ore-forming processes and predicting their occurrence, location, and origin. (omitted)

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1874년 만동묘(萬東廟) 중건에 대한 연구 (A Study on the Reconstruction of Mandongmyo in 1874)

  • 송혜영
    • 건축역사연구
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    • 제28권3호
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    • pp.45-54
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    • 2019
  • Mandongmyo(萬東廟) was a shrine built for two emperors of the Ming Dynasty in Huoyangri, Cheongju. Since the 17th century, the classical scholars of the Joseon Dynasty had valued Mandongmyo Shrine as a place for the so-called Jonjudaeui(尊周大義). In 1865, however, the shrine was demolished and ruined, afterward rebuilt by King Gojong(高宗) in 1874. King Gojong played an important role in the construction plan for the new shrine, which he adjusted the layout of the building and named it. Unlike in the past, the reconstructed shrine was thoroughly led by the government, and its architectural character was greatly transformed. The reconstructed Mandongmyo was respected as the national shrine, but subjected to oppression by the Japanese imperialism. The 68 years after it was rebuilt, the shrine was destroyed on the charge of inciting the sense of national consciousness.

인공지능의 역사, 분류 그리고 발전 방향에 관한 연구 (A Study on the History, Classification and Development Direction of Artificial Intelligence)

  • 조민호
    • 한국전자통신학회논문지
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    • 제16권2호
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    • pp.307-312
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    • 2021
  • 인공지능은 오랜 역사가 있으며, 이미지 인식이나 자동번역 분야를 포함한 여러 분야에서 활용되고 있다. 그래서 처음 인공지능을 접하는 경우에 많은 용어와 개념, 기술 때문에 연구의 방향 설정이나 수행에 어려움을 겪는 경우가 많다. 이번 연구는 이러한 어려움을 겪는 연구자들에게 도움이 될 수 있도록 인공지능에 관련된 중요 개념을 정리하고, 지난 60년의 발전 과정을 요약한다. 이를 통하여 방대한 인공지능 기술 활용의 기초를 확립하고 올바른 연구의 방향성을 수립할 수 있다.

Relationship between smoking history and periodontal disease among the elderly in Korea

  • Kim, So-Yeong
    • 한국치위생학회지
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    • 제21권3호
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    • pp.227-234
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    • 2021
  • Objectives: The objective of this study was to investigate the relationship between smoking history and periodontal disease among the elderly in South Korea. Methods: The study subjects comprised 2,703 elderly people who underwent oral health examination as part of the 7th South Korea National Health and Nutrition Examination Survey (KNHANES; 2016-2018). Data were analyzed using frequency analysis, Rao-Scott chi-square test, t-test, and binary logistic regression analysis. Results: A complex sample logistic regression analysis showed that the odds for periodontal disease development were higher in past smokers (odds ratio [OR]=1.461; 95% CI=1.070-1.994) and current smokers (OR=1.601; 95% CI=1.011-2.536) than in lifetime non-smokers. Conclusions: Smokers must actively participate in smoking cessation programs and interventions starting from middle age.

Half-Centennial History of Journal of Korean Neurosurgical Society : Midway from Domestic Journal to International Journal with Good Influence in Global Neurosurgery

  • Chung, Moonyoung;Yang, Hee-Jin;Park, Chul-Kee
    • Journal of Korean Neurosurgical Society
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    • 제65권5호
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    • pp.609-614
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    • 2022
  • October 2022 marks the 50th anniversary of the founding of Journal of Korean Neurosurgical Society (JKNS). Staring as official journal of Korean Neurosurgical Society (KNS) in 1972, JKNS is a journal that is listed in the science citation index (SCI) and its impact factor has been steadily rising in recent years. The past history of JKNS was reviewed with a focus on important milestone, and the direction of future development is suggested.

석굴암의 신화 분석과 건축공간 복원에 관한 연구 (A Study on the Mythological Analysis and Architectural Space Restoration of the Seokguram Grotto)

  • 윤재신
    • 건축역사연구
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    • 제32권4호
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    • pp.7-18
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    • 2023
  • Recognizing that the debate on the original form of the Seokguram Grotto is closely related to the mythologization of the Seokguram Grotto, which is far from factual understanding, this paper is prepared to restore the Seokguram Grotto based on scientific facts. To this end, we will first analyze its active meaning and fiction from three directions: the founding legend, the rediscovery story, and the concept and discourse of the Line of sight for Buddha statue (對佛像視準線), which have contributed to the mythologization of the Seokguram Grotto. The original restoration of the Seokguram Grotto should be based on a scientific understanding of the Seokguram space. However, past debates and restoration attempts have been based on imagination and not on scientific knowledge. Therefore, Chapter 3 attempts a scientific analysis of the light environment of thr Seokguram Grotto and critically examines the existing errors and realistic mythological images to correct the public's spatial perception of Seokguram's architecture and to propose a rational restoration of Seokguram's architectural space.

Beryllium oxide utilized in nuclear reactors: Part I: Application history, thermal properties, mechanical properties, corrosion behavior and fabrication methods

  • Ming-dong Hou;Xiang-wen Zhou;Bing Liu
    • Nuclear Engineering and Technology
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    • 제54권12호
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    • pp.4393-4411
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    • 2022
  • In recent years, beryllium oxide has been widely utilized in multiple compact nuclear reactors as the neutron moderator, the neutron reflector or the matrix material with dispersed nuclear fuels due to its prominent properties. In the past 70 years, beryllium oxide has been studied extensively, but rarely been systematically organized. This article provides a systematic review of the application history, thermal properties, mechanical properties, corrosion behavior and fabrication methods of beryllium oxide. Data from previous literature are extracted and sorted out, and all of these original data are attached as the supplementary material, so that subsequent researchers can utilize this paper as a database for beryllium oxide research in reactor design or simulation analysis, etc. In addition, this review article also attempts to point out the insufficiency of research on beryllium oxide, and the possible key research areas about beryllium oxide in the future.

한국(韓國) 술의 음식문화적(飮食文化的) 고찰(考察) (Korean Alcohol Beverage from the Viewpoint of Food Culture)

  • 고경희
    • 한국식생활문화학회지
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    • 제24권1호
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    • pp.33-38
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    • 2009
  • Alcoholic beverages can be viewed as repositories of historical information reflecting agricultural environment, economic and scientific level, religion, literature and art of their country. Korean Alcoholic beverages are based largely on rice, which have been developed in the following order: Takju, Cheongju and distilled spirits, Soju. They are closely related with the development of agriculture and historical levels of science and technology, and thus can be seen as symbolizing economic and political changes as well as rises and declines throughout the culture's history. The present review assessed the past and present flows of Korean alcoholic beverage culture, which has had a significant influence on the mental world of Korean people, based on literature concerning the history of food in Korea. Another focus of the study was a discussion on the future transmission and refining of Korean alcoholic beverage culture, which is undeniably informed by the Korean people's unique imagination and cultural sense.

한국 영화 제작의 다양성을 위한 팩션 콘텐츠 활용 연구 (Faction Contents' Practical Study for Korea Film Production's Variety)

  • 한달호
    • 한국콘텐츠학회논문지
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    • 제9권2호
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    • pp.193-202
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    • 2009
  • 이 논문은 한국 영화제작의 다양성을 위하여 새로운 영상콘텐츠로 부각되고 있는 팩션장르에 대해 고찰함으로써 팩션 콘텐츠로 활용된 작품들의 가능성을 모색해본다. 픽션과 팩트를 합성한 신조어인 팩션은 범위에 따른 경계방식으로, 역사의 서술방식을 통해 사실에 가깝다면 기록적 역사 서술방식, 허구에 가깝다면 허구적 역사 서술방식으로 나눠진다. 그리고 거시적 역사는 사회적 논란의 소지, 미시적 역사는 개인소송으로 이어지면서 경계의 범위에 따라 개인해석에 따라 다양한 해석을 만들어낸다. 한편 역사와 관련한 영화는 관객들이 이미지만 기억하고 실존하는 역사적 사실을 망각하여 기억의 왜곡이 뒤따르지만, 영화를 통해 역사적 사실을 간접체험으로 대신한다는 점에서 팩션장르의 장르적 가능성과 영화의 매력을 느끼게 해준다. 팩션장르 발전과제 있어서 3가지 인식전환이 필요하다. 첫째, 관객들의 관람인식 변환구조를 통해 관객들의 역사영화 해석능력이 필요하며, 관객들에게 과거와 현재를 연결해주는 역사와의 소통구조가 필요하며, 영화작가의 해석에 따라 관객 인식변화를 좌우하는데 역사우선으로 볼 것인지 허구우선으로 볼 것인지 신중한 결정이 필요하겠다. 무엇보다 관객들에게 1차적인 영화적 즐거움과 함께 역사적 진실이 공존할 수 있다면 그것이 한국 팩션장르의 매력이자 바람일 것이다.

발해의 미용문화연구 (A Study on Balhae Beauty Culture)

  • 석은경;채금석
    • 한국패션뷰티학회지
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    • 제6권1호
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    • pp.28-38
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    • 2008
  • Balhae was an ancient Korean kingdom that existed almost 1,300 years ago. It was a dynamic time in the Korean history when the national strength was building up in terms of politics, economy and culture, thereby called as "Haedongseongguk, the powerhouse in the East". Balhae had dominated parts of Manchuria and the northern part of the Korean peninsula between the late 7th century and the 10th century, occupying the center stage of the northern Korean history. It serves as a window to the East Asia in the present as well as in the past. Yet, due to its geography spanning from the North Korea to Kilin Province of China to part of Heilongjiang Province and to the Littoral Province of Siberia, Balhae has been the center of historical disputes among neighboring countries that insist it is part of each of their own history. China argues that it was a prefecture of the Tang Dynasty, established by the Mohe, not a successor to Goguryeo, which is a China-oriented viewpoint of history. In addition, Russia recognizes Balhae as their first-ever medieval feudal state since the Littoral Province is now under their sovereignty. Therefore, the restoration of Balhae history is in line with the veritable establishment of the ancient Korean history. For this, it is necessary to embrace inter-disciplinary achievements and to continue efforts to adopt them rather than to blame the shortage of historical documents and the difficulty of the excavation of relics. If fashion is "a visual symbol" of our society, beauty culture serve as a mirror to reflect our civilization and culture directly or indirectly. Still, it is not easy to draw similarities by analyzing and comparing the attributes of various cultures and civilizations party because the essence of culture lies in diversity. Nevertheless, it is believed that cultural liaison as well as geographical liaison can be a medium to compensate for the limits of the foreign exchange history of Southeast Asia in proving the relationship between Goguryeo and Balhae, by examining and speculating beauty culture that reflect their period. It was confirmed by various documents regarding Goguryeo out of relics, historical sites and documents. Mural paintings showed how the people of Balhae wore and accessorized themselves. They also allowed us to speculate their way of living. As the contemporary historians can assert that Balhae is part of the Korean history thanks to the realism scholars in the late Joseon Dynasty, who rediscovered the Balhae history and conducted practical researches, it is expected that researchers who study beauty culture contribute to completing the restoration of the Balhae history by thoroughly examining our history, costume and beauty culture.

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