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Chen Hui,You, Seok-Hoon 고려대학교 언어정보연구소 2018 언어정보 Vol.26 No.-
Chen Hui & You, Seok-Hoon. 2018. Korean Learner’s L2 Performance in Syntax-Semantics interface: Chinese Wh-words as Existential Polarity Words. Language Information. Volume 26. 103-128. This study aims to test applicability of the Interface Hypothesis (Sorace & Tsimpli, 2006) in L2 through investigating L2 acquisition of Chinese Wh-Words as Existential Polarity Words (hence force EPWs) by L1 Korean speakers. The present study compares the results of the acceptability judgment test of Chinese EPWs between learner group and native speaker group to investigate 1. Are the interface properties concerning Chinese EPWs and their licensors acquirable by Korea-speaking learners of Chinese? 2. If not, what are the linguistic or non-linguistic effects which cause the interface breakdown? The results show that L2 Chinese learners are unable to establish a complete semantics-syntax relationship with the EPW embedded in the sentence, even at the final state of L2 acquisition. And the results also show that L2 Chinese acquisition is not linear development.
노인 인구에서 신경인지기능저하와 혈청 지질농도와의 상관성
유영선,최석주,정성수,김지은,윤성욱,전동욱,백준형,박성우,이정구,추일한,김영훈 大韓神經精神醫學會 2008 신경정신의학 Vol.47 No.6
Objectives : In this study, the authors evaluated the correlation between eurocognitive impairments and serum lipids levels among Korean elderly over the age of 65. Methods : A total of 609 elderly individuals participated in this study. Screening for cognitive impairments were carried out using the Mini-Mental Status Examination-Korean version (MMSE-KC). There were 197 subjects above 1.5SD Of MMSE- KC and they were evaluated using the Korean versions of the Consortium to Establish a Registry for Alzheimer's Disease (AD) (CERAD-KC) and Geriatric Depression Scale (GDS-K). Results : There was a correlation between old age/low levels of education and AD (p<0.05, P<0.01). There was an inverse correlation between the serum level of total cholesterol and the word list recognition test scores. The serum levels of LDL cholesterol were inversely correlated with the scores on the constructional praxis test, word list recall test and word list recognition test. Inverse correlations between the serum level of triglyceride and scores on the word list recall test and word list recognition test were also observed. Conclusion : There were inverse correlations between the serum levels of lipids and language/memory function in subjects with AD.
유석구,김규호 한양대학교 공학기술연구소 1994 공학기술논문집 Vol.3 No.1
This paper proposes a method to select contingency ranking in power systems. Based on system operator's experience and knowledge, the membership function of fuzzy set theory is justified describing linguistic representation with heuristic rules and global severity index for each contingency is computed using fuzzy inference. Contingency ranking harmful to the system is formed by the index for security evaluation. The effectiveness of the proposed method is demonstrated by contingency ranking of model system.
유석구 한양대학교 공학기술연구소 1993 공학기술논문집 Vol.2 No.1
전력계통의 확장과 부하의 중가에 따라 전압안정도와 전압붕괴는 더욱 문제시 되고 있다. 본 연구에서는 전압안정도 지표의 동향을 조사하고 계통을 효율적으로 감시할 수 있는 새로운 전압안정도 지표를 제시한다. 부하가 중가함에 따라 계통의 전체 무효 전력손실은 서서히 증가한다. 따라서 계통의 변화를 감시하는 지표로서 무효전력손실을 사용한다. 이 지표를 모의계통에 적용하여 효용성을 검토한다. With the increased loading and exploitation of the power transmission system, the problem of voltage stability and voltage collapse attracts attention. This paper investigates the tendency of the voltage stability index and presents new voltage stability index monitoring power systems effectively. When load increases, the total reactive line loss increases continuously. Accordingly, this paper uses total reactive power loss as voltage stability index to monitor power system The performance of the new index is confirmed by simulations for sample systems.
유현재,김문수,조석제 韓國海洋大學校電波通信硏究所 1999 電波通信硏究所論文集 Vol.1 No.-
This paper presents an approach which classifys more accurately clusters for the data sets being different size cluster. We have more degree of membership to the large cluster and less degree of membership to the small cluster by the size of cluster. In the proposed algorithm, the internal data in the average intracluster distance was given the degree of membership more than 1. So we assume the data is proper. FCM is given the degree of membership depends on the distance between data and the center of cluster. But in the proposed algorithm, the center searching was improved about different size cluster by giving the degree of membership using the distance from each data to intracluster.
전력계통에 있어서 무효전력 최적배분을 위한 유전알고리즘 응용
유석구,김규호 한양대학교 공학기술연구소 1995 공학기술논문집 Vol.4 No.1
This paper presents a method for optical dispatch which minimizes transmission losses and improves voltage profile of power systems using genetic algorithm based on the mechanism of natural genetics and natural selection. The constraints are VAR sources(transformer tap, generator voltage magnitude and shunt capacitor/reactor), load bus voltages and generator reactive power. Real variable-based genetic algorithms which can save coding times and maintain the accuracy are applied for optimal dispatch of reactive power. The genes of genetic algorithm consists of integers for considering discrete VAR sources. The algorithm proposed can apply to problems for large scale power systems with multi-variables and complex nonlinear functions efficiently. The proposed method is applied to IEEE 30 buses model system to show its effectiveness.
국립계박물관과 공립계박물관의 건축특성에 관한 비교 연구
徐攸錫 대한건축학회 2003 대한건축학회논문집 Vol.19 No.12
This study aims to compare, and analyze, architectural differences between national history museum and public history museum, and propose architectural planning of public history museum. For these purposes, firstly, concepts and existing conditions(in Korea) of national history museum and public history museum were considered, secondly, through cases study of existing national and public museums, common things and differences of them were presented, and then, Characteristics and architectural planning directions of public museum was discussed. Results of this study are as follows ; 1) The character of Public History Museum should be defined as specific and specialized - type museum. In other words, it is desirable that architectural planning directions of it is differentiated from National History Museum. 2) Public History Museum must be interesting and user-oriented museum. Especially, in the exhibition space planning and display, Public History Museum need to be introduced positively high technology like multimedia and 3D-modelling, or reappearance using model, and experience-oriented unit plan of user participating directly exhibition display. 3) Accordingly, exhibition space area of Public History Museum is desirable more than it of National History Museum.
이유석,정해옥,이종욱 한국조리과학회 2002 한국식품조리과학회지 Vol.18 No.5
Yukwa was prepared with the glutinous rice by the addition of different ratio of pigmented rice (0, 3, 5, 7, 10%) and were steeped for 7 days at 20℃. No significant differences were found among the samples when the textural properties of Yukwa dough and base were measured using a texture analyzer. But the crispness was decreased with the increase of the addition level of pigmented rice. The redness (a value) and yellowness (b value) of the dough and Yukwa base were increased and the lightness (L value) was decreased as the addition levels increased. The expansion rate of Yukwa was decreased with the increase of addition levels. The overall acceptability of Yukwa prepared with the addition of 7% pigmented rice was the best in the sensory evaluation.
김유석,황규영,정승우 조선대학교 구강생물학연구소 2003 Oral Biology Research (Oral Biol Res) Vol.27 No.1
The free gingival graft has proven to be a predictable procedure for obtaining an increased width of attached gingiva, concomitantly increasing vestibular depth and eliminating the tension of an abnormal frenulum, and root coverage. The free gingival grafts is needed when the patient experiences discomfort during toothbrushing due to gingival recession and chewing due to an interfering lining mucosa and/or when the margin of restoration is placed in a subgingival position at sites with a thin gingiva that may favor an inflammatory tissue reaction in the presence of subgingival plaque. In this study, two patients were treated by the free gingiva1 grafts. One patient had no attached gingiva at lower left 2nd premolar, 2nd molar which were treated subgingival restoration and more inflammatory. The free gingival grafts were performed in this sites. The 1-2㎜ attached gingiva were obtained and maintained after 4monthes. The other had 3-4㎜ gingival recession at lower left 1st, 2nd premolar and experiences discomfort during toothbrushing, cold hypersensitivity. The free gingival grafts were performed in this sites. The 2-3㎜ root coverage were obtained and maintained after 30 months. The free gingival graft for increasing width and thickness of gingiva can be performed in case of subgingival restorations , gingival recession.