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졸겔법과 자가조립법을 통해 제조된 메조포러스 $SiO_2$ 박막의 트라이볼로지 특성
이영제,신윤하,김지훈,김지만,김태성,Lee, Young-Ze,Shin, Yun-Ha,Kim, Ji-Hoon,Kim, Ji-Man,Kim, Tae-Sung 한국트라이볼로지학회 2007 한국윤활학회지(윤활학회지) Vol.23 No.6
Frictional characteristics of mesoporous $SiO_2$ thin films were evaluated with different pore sizes. The films were manufactured by sol-gel and self-assembly methods to have a porous structure. The pores on the surface may play as the outlet of wear particle and the storage of lubricant so that the surface interactions could be improved. The pores were exposed on the surface by chemical mechanical polishing (CMP) or plasma-etching after forming the porous films. The ball-on-disk tests with mesoporous $SiO_2$ thin films on glass specimen were conducted at sliding speed of 15 rpm and a load of 0.26 N. The results show considerable dependency of friction on pore size of mesoporous $SiO_2$ thin films. The friction coefficient decreased as increasing the pore size. CMP process was very useful to expose the pores on the surface.
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이영제,김진욱,Lee, Yeong-Je,Kim, Jin-Uk 대한기계학회 2002 大韓機械學會論文集A Vol.26 No.4
Break-in is an intentional treatment to enhance the performance life of machinery parts and to maintain static friction behavior. Most studies on break-in have concerned only about surface conditions such as roughness or film formation. But the exact mechanism of break-in has not been found yet. Friction, scuffing behavior and wear of AISI 1045 were studied in relation to break-in and residual stress. The cylinder-on-disk type tribometer was used with the line-contact geometry. Scuffing tests were carried out using a constant load of 730N. In the break-in procedure the step load was applied from 100N to 200N. In this experiment, it was found that the break-in helps compressive residual stress to be formed well enough to enhance the scuffing life during the scuffing test. Specimens that had high compressive residual stress induced by shot-peening show better wear resistance than those were not shot-peened. Results of scuffing test, break-in procedure and wear amount in relation to residual stress have been discussed.
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나노다이아몬드를 첨가한 오일의 트라이볼로지 특성 및 이에 미치는 표면 경도의 영향
이규선(Gyu-Sun Lee),김현수(HyunSoo Kim),이정훈(Jeonghoon Lee),박태희(Tae Hee Park),이정석(Jung Suk Lee),이영제(Young-Ze Lee) 한국트라이볼로지학회 2011 한국윤활학회지(윤활학회지) Vol.27 No.6
Nanodiamond was dispersed in paraffin liquid oil to investigate the effects of nanodiamond at the marginally lubricated condition. Scuffing test and immediate loading sliding wear test were conducted using the fabricated nanodiamond oil. As a result, dispersion of nanodiamond in oil leads to increase in scuffing life, and nanodiamond contents affects the scuffing life. In case of immediate loading sliding wear test, the result was different according to hardness of specimen. If hardness of specimen was low, abrasion of nanodiamond occurred actively. If hardness of specimen was increased, however, nanodiamond can act as a spacer or rolling between contacting surfaces.
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이영제 ( Young Je Lee ) 서강대학교 언어정보연구소 2014 언어와 정보 사회 Vol.23 No.-
The purpose of this paper is to show that an approach using high frequency co-occurring nouns(HFCNs) for a target word to learn Noun Vocabulary in Korean language education is more effectively. This approach can help the learners of Korean as foreign languages clearly identify word meanings. Specifically, this paper propose the approach of using Choe & Lee(2014)``s corpus analysis tool. It can extract HFCNs list which consists of more than 20 co-occurring nouns. The approach using this list is, firstly, corresponded with the Spreading Activation Model of connectionist approach. Secondly, For using explaining words of dictionary and related synset of WordNet we cannot learn frequently used words used with target word. However, the approach using HFCNs can give us resolution for learning frequently used co-occurring words with a target word.
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구적 관용어의 통사적 구성과 의미 -NV형 관용어를 중심으로
이영제 ( Young Je Lee ) 민족어문학회 2009 어문논집 Vol.- No.60
본고는 구적 관용어의 성분 구조 특성을 밝히고자 하는 것이 목적이다. 이를 위해 구적 관용어가 생성되는 원리를 형상 구조와 성분 의미를 중심으로 살필 것이다. 구적 관용어는 표면구조상 일반적인 구구성의 특성을 보인다. 일반적인 어휘적 관용어가 단어 형성 후 통사적 기능을 상실하는 것과 달리 구적 관용어는 단어 형성 후에도 일부 통사적인 기능을 유지한다. 특히 `명사+용언형` 구적 관용어가 그러한 특성을 보이는데 이는 통사 구조와 의미 구조가 서로 비대칭적이기 때문에 발생하는 것이다. 그러나 지금까지의 선행연구들은 이러한 구적 관용어의 비대칭적 구조를 대칭적 구조와 동일한 구조로 설명하였기 때문에 한계를 지닐 수밖에 없었다. 본고에서는 구적 관용어의 의미는 성분 구조에서부터 비롯된다는 전제 하에 `명사+용언형` 구적 관용어의 특성을 통사 구조와 의미 구조 간의 비대칭적 특성에서 비롯된 것으로 보고 이를 설명하기 위한 성분 구조 분석을 제안한다. 그리고 구적 관용어는 의미적 외심 구조를 이루지만 구성 성분의 분포는 내심적 구조를 띠고 있고, 이를 통사적 내심 구조로 설명할 수 있는 이차원적(二次元的) 성분 구조 분석이 필요함을 주장할 것이다. 이는 성분 구조와 성분 의미, 결합 의미 간의 비대칭성을 보일 수 있는 계층적 형상 구조이다. 이를 통해 구적 관용어의 비대칭적인 구조가 하나의 어휘 단위에 내재된 것임을 설명할 수 있고, 이러한 구조적 특성이 통사적 표상에 영향을 미치는 현상을 설명할 수 있다. The purpose of this paper is to show the constituents structures of the phrasal idioms. For the purpose I investigate the formational conditions of the phrasal idioms which are focusing on the configurational structures and meanings of the constituents. The syntactic representations of the phrasal idioms are not the same as lexical idioms but the same as general syntactic structures. The phrasal idioms have syntactic functions, while the lexical idioms lost their syntactic functions. So the functions of the phrasal idioms, especially `N+V` type phrasal idioms, are different from the functions of the lexical idioms. It is motivated by the asymmetries between the syntactic structures and the semantic structures. But the preceding proposals have some conflicts because they are not focused on the asymmetries and they almost explain the phrasal idioms by the general configurational structures. I explored the meanings of the phrasal idioms are made from the constituents structures which can be separated into the two different kinds of the levels of the configurational structures.
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이영제(Lee Young-je) 동국대학교 사회과학연구원 2006 사회과학연구 Vol.13 No.1
In this paper, focusing on the mode of the political participation of the civil movement and political empowerment of the social movement. The social movement and civil movement have changed the mode of the political involvement according to the difference of the characteristic and environment. After democratization, the civil movement occupies the position in Korea to a alternative politics force. The politics involvement of the civil movement was recognized the justice, but it was the object of the criticism due to the personality as a power surveillance on the other side. In contrast with the civil movement, the social movement propelled the political empowerment in critical situation like a labor market flexibility enlargement. The democracy Labor Party was achieved empowerment in the general election in 2004, but it have the assessment to have the limit as a few party. The development of the democracy had an influence on the social movement and civil movement. The social movement have been faced with a development requirement as the universality interests group according to this. The civil movement escapes from the growth to be the quantitative and have been requested the growth to be the qualitative.
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이영제(Lee, Young-je) 중앙어문학회 2014 語文論集 Vol.58 No.-
본고는 양식적 공간명사의 의존 용법을 자립 용법과 구별하여 범주화할 필요가 있음을 제안하는 데 목적이 있다. 양식적 공간명사의 의존 용법은 의존명사와 마찬가지로 통사적 의존성을 특징으로 한다. 의존명사의 개념을 통사적 의존성의 명사로 확대하고자 한 일련의 선행연구들의 주장에 따르면 의존 용법의 양식적 공간명사도 확대된 의존명사의 범위에 속한다. 한편 의존 용법의 양식적 공간명사들은 선행 성분을 규정(規定)하는 기능을 갖는다. 이것은 기능요소에 대비되는 문법적 특성이며, 의미도 [상황], [조건], [환경]이나 [결과], [(특정) 범위] 등 의존명사처럼 관계적이고 추상/형식적인 의미를 나타낸다. 이와 같이 통사적으로 의존적이고 기능요소적인 특성으로 볼 때 의존 용법의 양식적 공간명사는 자립명사로부터 구별하여 의존명사와 관련시켜 설명할 필요가 있다. This paper aims to propose that we need to categorize each bound/dependent usage and free/independent usage in relation to modal spatial nouns. The bound usage of the modal spatial nouns same as bound nouns are characteristic of syntactic boundness. Furthermore, they have relational and notional/formal meanings. In terms of grammatical description, we have to categorize these modal spatial nouns in relation to the bound nouns. The conclusion of this paper might support for the arguments of the previous studies as for the expansion of an extent of the bound noun. Meanwhile, the modal spatial nouns which included to dependent usage of nouns have functions as post-nominal modifiers. These functions are equal to the syntactic properties of the functional elements. The semantics of these nouns are included with [circumstance], [condition], [background], [resultative] and [(specific) extent] which are related to the relational, notional and formal meanings of the bound nouns. These properties of the modal spatial nouns as like functional elements need to be investigated in relation to the bound nouns.
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