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RISS 인기검색어
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- 저자 : 이화진(H.J. LEE) (검색결과 3 건)
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한경희(K.H. HAN),이화진(H.J. LEE),이나영(N.Y. LEE),장혜영(H.Y. JANG),이병송(B.Y. LEE),백수현(S.H. BAEK) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.4
A powered system with fuel cell is regarded as a high current and low voltage source. Effects of the loads on the electrical power source are important to optimize the integrated power system. The design parameters of the system should be chosen by taking into account the characteristics of the fuel cell, so the costs of the power system at given operating conditions can be reduced. Furthermore, the dynamics characteristic of the system is crucial to acquire performance in applications, particularly interactions between loads and the fuel cell system. Currently, no integrated simulation has been approached to analyze interrelated effects. Therefore, the dynamic models of power conversion system with a PEM fuel cell that includes the PEM fuel cell stack, DC/DC converter and associated controls is developed. Electric lads for the system are derived by using a power theory that separates a load current into active, reactive, distortion or a mixed current component. Dependency of the DC capacitor on the loads are analyzed.
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血淸(혈청)Sialic Acid의 臨床實用化(림상실용화)를 위한 硏究(연구)
김수정 ( S J Kim ),이화진 ( W J Lee ),박웅승 ( K S Park ),성호연 ( H Y Sung ) 대한임상검사과학회 1991 대한임상검사과학회지(KJCLS) Vol.23 No.1
The authors reviewed through some study to made use of serum sialic acid for clinic. The result were as follow; 1. A comparision of native method by serum sialic acid kit and modified method by ABA-200 chemistry analyser shows good correlation coefficience and linear regression equation. 2. In the healthy adult subjects, level of serum sialic acid was 59. 7 ± 8 . 29mg/ dl. 3. Level of serum sialic acid showed no difference between male and female in healthy adult subjects. 4. The results of serum sialic acid and ESR showed the rate of accord 86. 6% . 5. The results of serum sialic acid and TIA -cRP showed the rate of accord 85. 0%.
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재래돼지 Melanocortin Receptor 1(MCIR)의 변이에 관한 연구
한재용,정일정,김태헌,윤두학,연성흠,최봉환,노환국,김남순,이화진 한국동물자원과학회 2001 한국축산학회지 Vol.43 No.3
The melanocortin 1 receptor (MC1R) gene is the major candidate gene for coat color in pig since it is assumed to be controlled by an allele at the Extension (E) locus. A 702 by fragments of the MC1R gene were amplified by PCR, cloned and sequenced from 6 heads of Korean native pig. Of them, 4 pigs possessed allele#2 which is associated with black coat color in pig, the others had allele#1 which revealed a unique allele in European wild boar reported by Kijas et al. (1998). PCR-RFLP was carried out to observe their alleles from 6 different pig breeds including Korean native pig, Berkshire, Duroc, Landrace, Large White, and Meishan pig. Two pairs of primers were designed for amplifying the MC1R gene fragment corresponding to five polymorphic sites. PCR products were digested 5 different restriction enzymes. Nsp I , MspA 1 I , Rca I , Hha I and Acc II , and electrophoresed in 2.5% Metaphor agarose gel. All breeds except for Korean native and Meishan breeds were the same alleles reported by Kijas et al. (1998). Of 9 Meishan pigs tested in this study, 4 heads possessed the same allele, 5 heads were different alleles reported by Kijas et al. (1998). A total of 15 different alleles revealed in Korean native pig. The results of this study strongly suggest that black coat color in Korean native breed was associated with a constitutively active receptor at codon 99 (L99P).
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