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이청준 소설에 나타나는 성적 모티프의 담론화 방식 연구
이현석(Hyun Seok Lee) 한국현대소설학회 2008 현대소설연구 Vol.- No.38
Although the sex motif in the novels by Lee Cheong-jun has received intensive attention of discussion through psychoanalysis, there is a tendency for the sex motif to be regarded as a marginal element in the analysis of narrative structures or themes. The reason might be that most of the sexual elements in his novels have been analyzed in the relations with socially critical subjects like the relationships between individuals and society or with aesthetic discussions. What try to discuss in this study is that the sexual elements in Lee`s novels play essential functions both in the aspect of narrative construction and that of theme interpretation. The sexual elements implied in the confession formats and repentance, which make frequent appearances in his novels, show that how the characters connect sex with power. In his later novels, Lee demonstrates that power can be criticized through sex by manifesting abstinent figures. Those analysis results of the relationships between sex and power shed some light onto why Lee`s perception of the world and criticism of the society are presented in his personal contexts.
벼 등숙기 기온 및 수발아가 종실 품질 및 이화학적 특성에 미치는 영향
이현석,이윤호,황운하,정재혁,양서영,이충근,최명구,Lee, HyeonSeok,Lee, YunHo,Hwang, WoonHa,Jeong, JaeHyeok,Yang, SeoYeong,Lee, ChungGen,Choi, MyoungGoo 한국작물학회 2020 한국작물학회지 Vol.65 No.4
Studies on the occurrence of rice preharvest sprouting (PHS) have primarily focused on temperature and rainfall duration at the time of PHS induction, but average temperature during grain filling can have a great influence on PHS. This study analyzed the effect of average temperature during grain filling on PHS occurrence and subsequent changes in grain quality after PHS. For two consecutive years, average temperature differences during grain filling were produced by varying the transplanting date. Artificial rainfall was treated under identical accumulated temperatures of 1200℃ after heading. It was confirmed that the occurrence of PHS was higher under high average temperature conditions during grain filling. In addition, the degree of grain quality reduction caused by PHS occurred more severely under high temperature conditions during grain filling. In order to reduce the risk of PHS occurrence and subsequent quality damage, it is important to control the planting date to avoid high-temperature conditions during grain filling.
우리나라 기업 및 산업의 환노출과 특성변수와의 관계분석
이현석,Lee, Hyon-Sok 한국재무관리학회 1999 財務管理硏究 Vol.16 No.2
본 연구는 우레나라 기업 및 산업의 환노출을 측정하고 이를 기업의 특성변수로 설명하려는 것이다. 기존 연구가 주별 및 월별 자료를 사용해서 특정 산업에 국한했던 것과는 달리 금융업을 포함한 전 산업을 대상으로 하였으며, 일별 자료를 사용해 이를 분석하였다. 환노출 추정을 위해, 1987년 1월부터 1997년 6월까지 상장된 우리나라 기업 및 산업의 일별 수익률을 종속변수로 하고 대미달러의 원화 환율 및 대엔화의 원화 환율, 달러대 엔화 환율 등의 변화율을 독립변수로 하는 모형을 설정하였으며, 이를 기존에 논의된 여러 모형을 통해 측정하였다. 측정결과 이자율을 차감하고 종속변수의 1차자기상관을 고려한 GARCH(1,1)모형의 설명력이 높았다. 우리나라 산업중에서는 섬유제품, 펄프 종이, 자동차판매 및 도매, 숙박 운송 등에서 유의한 환노출을 보였으며, 개별기업의 경우에는 1987년 1월부터 1990년 7월까지 대미달러 환율에 많이 노출되었으나, 1990년 8월부터 1994년 7월까지는 상대적으로 노출된 기업의 수가 적었다. 따라서 우리나라 산업 및 기업은 환노출에 있어서 산업효과와 기간효과를 갖고 있음을 알 수 있다. 기업특성변수와 환노출과의 관계를 분석한 결과는 일관되게 유의한 변수는 발견되지 못하였으며, 다만 특정 기간별 그리고 대미달러환율에 대해 기업규모와 금융비용부담률 등의 변수들이 유의하게 반응하고 있는 것으로 나타났다.
이현석,Da-Eun Lee 한국통신학회 2022 ICT Express Vol.8 No.1
Deep reinforcement learning can effectively address resource allocation in wireless networks. However, its learning speed may be slower in more complex networks and a new policy should be learned for a newly-arrived system due to a lack of network adaptability. To address these issues, we propose a federated learning framework for resource allocation in wireless networks with multiple systems. It accelerates the learning speed by aggregating the policy at each system into a central policy and ensures network adaptability by using the central policy. Through experiments, we demonstrate that our proposed framework achieves both learning acceleration and network adaptability.
흡연이 구강 건강에 미치는 영향 : 구강 위생이 양호한 집단의 장기적 연구를 위한 예비 평가
이현석,김미은,Lee, Hyun-Suk,Kim, Mee-Eun 대한안면통증구강내과학회 2011 Journal of Oral Medicine and Pain Vol.36 No.4
Tobacco smoking is a major risk factor of systemic health and also impairs oral health, which is related to development of oral cancers, periodontitis, delayed wound healing, tooth loss, failure of implant, etc. Aside from smoking, many other risk factors can be related to oral health and long-term effects of smoking on salivary flow and taste threshold are still in controversy. Authors considered dental students to be an appropriate group with good oral hygiene for a long-term study to reveal effects of smoking on oral health. This study was performed to compare smoking patterns and current oral health conditions between smokers and nonsmokers in dental students prior to long-term evaluation. 192 volunteers (85.7%) of 224 male dental students in Dankook University were evaluated through questionnaires and clinical examination in 2010. Questionnaires included smoking pattern, alcohol use, nicotine dependence, preventive care, psychological profile and clinical examinations comprised assessment of teeth or periodontal status, nicotine pigmentation, salivary flow, electrical taste thresholds and halitosis. From the study, (current) smokers were older, and drank more frequently with more alcohol intake compared to former smokers and nonsmokers(p<0.05). There was no significant difference among them in salivary flow rate, halitosis and electrical taste threshold. However, there was significant difference in DMFT rate, periodontal treatment need, nicotinic pigmentation between smokers and nonsmokers(p<0.05), irrespective of their levels of preventive care. The smokers in this study, who are young dental students with relatively shorter duration of smoking, less use of cigarettes and low level of nicotine dependence, did not reveal significant impairment of oral health. However, their oral health was found to be relatively impaired compared to nonsmokers', which suggests negative effect of smoking on the oral health and a need of smoking cessation.