연속압입시험법을 이용한 재료의 강도 , 잔류응력 및 파괴인성 평가

이윤희,이정환,옥명렬,안정훈,권동일 ( Yun Hee Lee,Jeong Hwan Lee,Myoung Ryul Ok,Jeong Hoon Ahn,Dong Il Kwon ) 대한금속재료학회 ( 구 대한금속학회 ) 1997 재료강도 심포지엄 Vol.- No.-

동원(東垣) ${\ll}$비위론(脾胃論)${\gg}$ 수록(收錄) 처방(處方)의 치법(治法)에 대(對)한 문헌적(文獻的) 고찰(考察)

이윤희,황희정,김상찬,박순달,변준석,Lee, Yun-Hee,Hwang, Hui-Jeung,Kim, Sang-Chan,Park, Soon-Dal,Byun, Joon-Seok 대한한의학방제학회 2001 大韓韓醫學方劑學會誌 Vol.9 No.1

Objectives : 'Pi Wei Lun' is the principal medical work of Li Dongyuan's writings, which contains most of his medical theories. There are sixty-three prescriptions in 'Pi Wei Lun', and fifty-two of them were originated from him. This study was planned to present assistance to those who apply Dongyuan's theory clinically. Methods : We investigated those fifty-two prescriptions literary, and studied them from a viewpoint of the principle and method of treatment. Results : Dongyuan's fifty-two prescriptions can be classified into eight groups from the viewpoint of the principles and methods of treatment which are composed of 'tonify the spleen and stomach & elevate the spleen Yang', 'elevate the spleen Yang & expel fire', 'elevate the spleen Yang & relieve dampness', 'promote blood flow to eliminate blood stasis', 'invigorate the spleen', 'replenish Ki & and dispel phlegm', 'purgation with drugs warm in nature', and 'the other' eight methods. Conclusions : From above, we concluded that Dongyuan considered 'the primordial energy of the spleen and stomach' as the most important when making up prescriptions, but, at the same time, he used diverse methods of treatment on the ground of differentiation of syndromes.

임대주택(賃貸住宅)의 내재적(內在的) 특성(特性)에 관(關)한 연구(硏究) - 서울의 공동거주형(共同居住型) 임대주택(賃貸住宅)의 사례(事例)를 중심(中心)으로 -

이윤희,정재국,Lee, Yun-Hee,Jung, Jae-Kook 한국주거학회 2010 한국주거학회 논문집 Vol.21 No.4

In the modernization process of the city, urbanization raised a variety of social issues. Urbanization brought noticeable changes in dwelling patterns, such as drastic changes in the housing lifestyle, that revolved around the metropolitan areas of Seoul and Busan etc. before and after the expansion of economic growth. Especially in 1985, when 23.8% of the country's population was concentrated in Seoul, the imbalance of housing supply and demand caused a vast range of housing shortage. The shortage, that resulted from public sector mishandling of natural housing demand, lead to the occurrence of private sector rental housing. The occurrence of this abnormal rental housing supply, became a major cause of Korea's typical lease system called 'Co-dwelling', where the leaseholder and tenant physically lives in the same residence. The leaseholder and tenant's 'Co-dwelling' started from partial renting of traditional Korean-style housing and transformed with the transition of dwelling form and time. However, after 1985, legalization of multi-family housing, Korean rental housing started to be planned in the beginning of it's housing construction and to be produced as an independent space with separate circulation. Also in terms of facility, it changed from partial renting of a space within the residence to an assembly of small individual spaces. However, the background of this deep-rooted 'Co-dwelling' lease system, in different forms and periods of residence, is still based on the lack of public sector rental housing supply and private sector supply of rental space to utilize extra space, 'Jeonsei' payment.

보중익기합대칠기탕(補中益氣合大七氣湯)과 Doxorubicin의 병용이 MKN-45의 항암효과에 미치는 영향

이윤희,김봉석,오중한,임희용,김동우,최빈혜,변준석,Lee Yun-Hee,Kim Bong-Suk,Oh Jung-Han,Lim Hee-Yong,Kim Dong-Woo,Choi Bin-Hye,Byun Joon-Seok 대한한방내과학회 2004 大韓韓方內科學會誌 Vol.25 No.1

In order to evaluate the anti-tumor and synergic effect of BoJungIkKeeHapDaeChilKi-Tang on doxorubicin, the inhibitory concentration(IC), IC50 and IC90 of single use of doxorubicin and BoJungIkKeeHapDaeChilKi-Tang with their concomitant treatment against MKN-45(Human stomach carcinoma) was observed using MTT(Microculture Tetrazolium test) assay. In addition, their anti-tumor effects were also observed in the xenograft nude mice models agianst MKN-45 cell lines. BoJungIkKeeHapDaeChilKi-Tang has only mimic direct anti-tumor effect against to MKN-45 cell lines but they were decreased general depressed signs induced by implantation of tumor cell lines and increased the total WBC and lymphocyte numbers. So, it is considered or expected that BoJungIkKeeHapDaeChilKi-Tang extracts were reduced by the critical toxicity of doxorubicin and shows favorable synergic effect with doxorubicin and BoJungIkKeeHapDaeChilKi-Tang extracts.

나노 압입곡선의 이론적 분석을 통한 박막의 잔류응력 평가

이윤희,장재일,권동일,Lee, Yun-Hee,Jang, Jae-Il,Kwon, Dong-Il 대한기계학회 2002 大韓機械學會論文集A Vol.26 No.7

Residual stress is a dominant obstacle to efficient production and safe usage of device by deteriorating the mechanical strength and failure properties. Therefore, we proposed a new thin film stress-analyzing technique using a nanoindentation method. For this aim, the shape change in the indentation load-depth curve during the stress-relief in film was theoretically modeled. The change in indentation depth by load-controlled stress relaxation process was related to the increase or decrease in the applied load using the elastic flat punch theory. Finally, the residual stress in thin film was calculated from the changed applied load based on the equivalent stress interaction model. The evaluated stresses for diamond-like carbon films from this nanoindentation analysis were consistent with the results from the conventional curvature method.

보중익기합대칠기탕(補中益氣合大七氣湯)과 Doxorubicin의 병용이 3LL의 항암효과에 미치는 영향

이윤희,김봉석,오중한,임희용,김동우,최빈혜,김상찬,변준석,Lee Yun-Hee,Kim Bong-Suk,Oh Jung-Han,Lim Hee-Yong,Kim Dong-Woo,Choi Bin-Hye,Kim Sang-Chan,Byun Joon-Seok 대한한의학방제학회 2004 大韓韓醫學方劑學會誌 Vol.12 No.1

In order to evaluate the anti-tumor and synergic effect of Bojungikkeehapdaechilkitang with doxorubicin, the inhibitory concentration(IC), $IC_{50}\;and\;IC_{90}$ of single use of doxorubicin and Bojungikkeehapdaechilkitang with their concomitant treatment against 3LL(Lewis lung carcinoma) was observed using MTT(Microculture Tetrazolium test) assay. In addition, their anti-tumor effects were also observed in the xenograft nude mice models agianst to 3LL cell lines. Bojungikkeehapdaechilkitang has only mimic direct anti-tumor effect against to 3LL cell lines but they were decreased general depressed signs induced by implantation of tumor cell lines and increased the total WBC and lymphocyte numbers. So, it is considered or expected that Bojungikkeehapdaechilkitang extracts were reduced the critical toxicity of doxorubicin and shows favorable synergic effect with doxorubicin and Bojungikkeehapdaechilkitang extracts.

PWR 사용후핵연료의 Li 환원과정 모사 프로그램 개발

이윤희,신희성,장지운,김호동,윤지섭,Lee, Yun-Hee,Shin, Hee-Sung,Jang, Ji-Woon,Kim, Ho-Dong,Yoon, Ji-Sup 한국방사성폐기물학회 2006 방사성폐기물학회지 Vol.4 No.4

In this paper a computer program was developed, which simulates the Li reduction process of PWR spent fuel, and the amount of a produced metal or chloride compound was calculated at the various amount of Li with the program. It establishes a database, which is composed of some characteristics related to a chemical reaction equation and thermodynamic data, and it calculates the transformed rate of PWR spent fuel oxide at the certain amount of Li by using the database as input data. As the results of the performance test of the program, it was validated that the transformed values of oxides, except for $Eu_2O_3$ and $Sm_2O_3$, were almost the same to within about a 6 % error with those calculated by the previous code and that the calculated amount of Li was also exactly consistent with the theoretical one, which is used for a complete reaction of each oxide in a single chemical reaction. A relationship between Li and the transformed metal of each oxide was analyzed on the basis of the quantities calculated with the verified development program. Of the results, when the amount of Li was given to be 250 mole, the 83.73 percentage of $UO_2$ was transformed into U while the remainder was still to be $UO_2$. In addition, it was appeared that the 297 mole of Li was needed to completely convert $UO_2$ into U.

변이계수에 대한 영향함수

이윤희,김홍기,Lee, Yun-Hee,Kim, Hong-Gie 한국통계학회 2008 Communications for statistical applications and me Vol.15 No.4

본 논문에서는 변이계수에 대한 영향함수를 유도한다. 경험적 영향함수와 표본영향함수를 이용하여 유도된 영향함수의 타당성을 입증하고 이를 위하여 정규분포 $N(20,1^2)$와 $N(20,5^2)$에서 각각 확률표본을 추출하여 시뮬레이션을 수행한다. 시뮬레이션 결과로부터, 유도된 변이계수에 대한 영향함수가 한 개의 관찰치가 제거되었을 때 변이계수의 변화량을 매우 정확히 추정하는 것을 확인하였다. We derive the influence function on the coefficient of variation. Empirical influence function and Sample influence function are used to verify the validity of the derived influence function. To show the validity of the influence function, we carry out simulations with random samples from normal distribution $N(20,1^2)$ and $N(20,5^2)$, respectively. The simulation result proves that the derived influence function is very accurate in estimating changes in the coefficient of variation when an observation is deleted.

퍼스의 기호학적 관점을 통해 본 소쉬르의 가치이론: 언어가치 개념과 삼차성 개념의 비교 고찰

이윤희 ( Yun Hee Lee ) 한국기호학회 2013 기호학연구 Vol.37 No.-

The conceptions of sign in Saussure and in Peirce are considered incomparable because of the dyadic and the triadic components of sign respectively: the two components comprising signifer and signified and the three components comprising sign, object, and interpretant. Actually, however, Saussure`s inchoate ideas about linguistic value can be compared with the concept of interpretant in Peirce. This paper examines the possible comparison of the two concepts based on the phenomenon of representation of generality in the linguistic sign, with the hypothesis that there are two possible concepts of generality which are based on conventionality and continuity in Saussure and in Peirce, respectively. The paper will develop the argument on discussing Saussure`s concepts of identities, realities and values with an interlocking relation of the three. The paper thus argues that the concept of linguistic value has common ground with the concept of interpretant based on Thirdness in Peirce`s theory of category as mediation between sign and object; however, the two conceptions of linguistic value and Thirdness differ in terms of the dyadic structure of language as a form and the triadic concept in semiosis as evolution of language. In assessing this I will look into the ontology of collection with type and token in Peirce`s conception of sign, thus explaining how conventionality is related to abstraction for creative thinking based on value in similarity rather than that in identity. Consequently, this idea leads to evolution of language by valuation instead of static value in the linguistic system. Ultimately, the concepts of linguistic value and Thirdness share the common feature of connectedness in the form of mediation between sign and object. But the dimension of study of sign is derived from different interests and concerns from each of these. One concerns only linguistic form and the other concerns semiosis in evolution of language in teleological development. Naturally, it is this delimitation that causes the sign study to proceed in different directions.

퍼스(Peirce) 기호학적 접근으로 본 서사적 커뮤니케이션 -홍상수 감독의 『생활의 발견』을 중심으로-

이윤희 ( Yun Hee Lee ) 한국기호학회 2009 기호학연구 Vol.25 No.-

This paper examines how narrative can function as medium of communication. Recent approaches have become more concerned with cognition and context than with narrative structure itself. Particularly insofar as the concept of communication involves context, as well as a shared situation and opinion between communicators, the issue of what is communicated comes to be a focus. Based on the concept of communication, the paper examines narrative as medium of communication by looking at the symbolic form of the narrative text to be transmitted. This requires interpreting activity incorporated with semiotic enterprise. At this point, the Peircean semiotic is a methodology to discover how symbolic text of narrative can be used for communication. Within the Peircean semiotic framework, not only the concept of communication but also the concept of narrative is redefined, in which the definition of narrative is extended to the representation of reality for constructing knowledge. This study focuses on narrative discourse in art by analyzing a film. The study suggests four conditions of narrative to become a communication medium: first, fictionality as narrative`s sense based on firstness; second, temporal-spatial structure as narrative`s meaning based on secondness; third, symbolic representation as narrative`s significance based on thirdness and fourth, combination of these three to produce a final opinion through dialogic process. This study will contribute to the advancement of communication studies.