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이윤희,택전신사 (澤田辛司),서희돈,최세곤 ( Youn Hee Lee,Kouji Sawada,Hee Don Seo,Se Gon Choi ) 한국센서학회 1996 센서학회지 Vol.5 No.5
In order to implement the integrated capacitive pressure sensors, which contains integrated interface circuits to detect the electrical output signal, several main factors that have a bad effect on the characteristics of sensors must be improved, such as parasitic capacitance effects, temperature/thermal drift, and the leakage current of a readout circuitry. This paper describes the novel design of the dedicated CMOS readout circuitry that is consists of two capacitance to frequency converters and 4 bit digital logic compensating circuits. Dividing the oscillation frequency of a sensing sensor by that of reference sensor, this circuit is designed to eliminate the thermal/temperature drift and the effect of the leakage currents, and to access a digital signals to obtain a high signal-to-noise(S/N)ratio. Therefore, the resolution of this circuit can be increased by increasing the number of the digital bits. Digital compensated circuits of this circuits, except for the C-F converters, are fabricated on a FPGA chip, and fundamental performance of the circuits are evaluated.
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.
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 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.
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.
근대 건축물에 사용된 서양식 목조 지붕 트러스의 구조요인 및 기타 영향요인에 관한 연구 - 공공기관이 관리하는 문화재 중 근대건축물 기록을 중심으로 -
이윤희,유혜란,권기혁,Lee, Yoon-Hee,Yu, Hye-Ran,Kwon, Ki-Hyuk 한국건축역사학회 2011 건축역사연구 Vol.20 No.4
Western style timber roof trusses used as typical roof structures of buildings during a modern period have been developed with the interactions with their facade and functionality. The shapes of trusses and member sizes have been diversely changed by the purposes of architects, historical circumstances, and structural characteristics. For this reason, the change in the shapes of western style timber trusses along the times is one of important technology assets demonstrating the development of their structures during the modern period. Therefore, the purpose of this paper is to find out their structural characteristics throughout parametric analysis of which parameters were determined from the collected and classified documents on western style timber roof structure built in the modern period carefully obtained from public institutions. Results of the parametric analysis are as follows. The number of king-post trusses and modified king-post trusses built between 1920 and 1937 reaches almost half of the total number of truss types investigated. The mean values of their spans, distances, tributary areas, and height are respectively, 10.5m, 2.4m, $24.37m^2$and 3.24m. The cross-section areas of trusses tend to reduce since the city construction law was enacted in 1920. Also, this study found that western architects usually used larger structural members than eastern architects and usages and finishing materials of roof trusses are not always considered as one of the important design parameters.
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.
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.
한국 성인의 심혈관질환에 영향을 미치는 위험요인: 요코티닌을 포함한 흡연행태 및 건강행태를 중심으로
이윤희,곽은미,조미래,Lee, Yoon Hee,Kwak, Eun Mi,Jo, Mirae 국제문화기술진흥원 2021 The Journal of the Convergence on Culture Technolo Vol.7 No.3
본 연구는 국민건강영양조사 제7기 2016~2018년도 자료를 이용하여 우리나라 성인의 심혈관질환 유병에 영향을 미치는 요인에 대해 규명하고자 하였다. 연구대상자는 7,290명, 자료는 SPSS 26프로그램으로 복합표본 빈도분석, 교차분석, 로지스틱 회귀분석을 실시하였다. 주요 결과로 40~59세 9.0배, 60세 이상 29.44배, 고졸 이하 1.26배, 소득수준 '하' 1.68배, 요코티닌 50ng/mL 미만 1.54배, 50~499.9ng/mL 1.56배, 하루 평균 흡연량 20개비 이상 1.48배, BMI 25kg/m<sup>2</sup> 이상 2.06배, 유산소운동을 실천하지 않는 경우 1.17배 심혈관질환 유병을 유의하게 증가시키는 것으로 확인되었다. 이상의 결과로 우리나라 성인의 심혈관질환 유병정도를 감소시키기 위해 흡연을 포함한 비만, 운동부족의 생활습관 개선이 필요하며, 고혈압, 이상지혈증등의 유병기간이 길어진 40세 이상의 연령층, 사회경제적 수준이 낮은 층에게 금연을 포함한 건강관리에 대한 적극적인 노력이 요구된다. This study was to find out the influence of urine cotinine in Korean adults on Cardiovasculardiseases using data from the seventh Korea national health and nutrition examination survey 2016-2018. The subjects were 7,290. The data were analyzed by frequency analysis, 𝞆2 test and logistic regression analysis using SPSS 26. The main findings were that 40-59 age, higher than 60 age, lower than high school level, Income status low, urine cotinine level under 50ng/mL, urine cotinine level 50-499ng/mL, Average cigarette per day over the 20 loosey, BMI 25g/m<sup>2</sup>, no aerobic exercise, the prevalence of cardiovascular disease increased 9.0 times, 29.44 times,1.26 times, 1.68 times, 1.54 times, 1.56 times, 1.48 times, 2.06 times and 1.17 times, respectively. As a result, it is necessary to improve lifestyles such as obesity and lack of exercise, to reduce the prevalence of cardiovascular disease in Korean adults, and to pay attention to older age groups and low socioeconomic groups.