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MEMS based micro-fuel processor

  • ;장재혁;이홍렬;정창렬;길재형;김성한;차혜연
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2006년도 추계학술대회 논문집
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    • pp.611-612
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    • 2006

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UPPER BOUNDS FOR ASSIGNMENT FUNCTIONS

  • Lee, Gwang-Yeon
    • 대한수학회논문집
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    • 제9권2호
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    • pp.279-284
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    • 1994

  • Let R = ($r_1$, $r_2$, …, $r_{m}$) and S = ($s_1$, $s_2$, …, $s_{n}$ ) be positive integral vectors satisfying $r_1$＋ $r_2$＋…＋ $r_{m}$ = $s_1$＋ $s_2$＋ㆍㆍㆍ＋ $s_{n}$ , and let U(R, S) denote the class of all m $\times$ n matrices A = [$_a{ij}$ ] where $a_{ij}$ = 0 or 1 such that (equation omitted) = $r_{i}$ , (equation omitted) = $s_{j}$ , i = 1, ㆍㆍㆍ, m, j = 1, ㆍㆍㆍ, n.(omitted)

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A note on convexity on linear vector space

  • Hong, Suk-Kang
    • Journal of the Korean Statistical Society
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    • 제1권1호
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    • pp.18-24
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    • 1973

  • Study on convexity has been improved in many statistical fields, such as linear programming, stochastic inverntory problems and decision theory. In proof of main theorem in Section 3, M. Loeve already proved this theorem with the $r$-th absolute moments on page 160 in [1]. Main consideration is given to prove this theorem using convex theorems with the generalized $t$-th mean when some convex properties hold on a real linear vector space $R_N$, which satisfies all properties of finite dimensional Hilbert space. Throughout this paper $\b{x}_j, \b{y}_j$ where $j = 1,2,......,k,.....,N$, denotes the vectors on $R_N$, and $C_N$ also denotes a subspace of $R_N$.

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ON S-EXCHANGE RINGS

  • Liu, Dajun;Wei, Jiaqun
    • 대한수학회보
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    • 제57권4호
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    • pp.945-956
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    • 2020

  • We introduce the concept of S-exchange rings to unify various subclass of exchange rings, where S is a subset of the ring. Many properties on S-exchange rings are obtained. For instance, we show that a ring R is clean if and only if R is left U(R)-exchange, a ring R is nil clean if and only if R is left (N(R) - 1)-exchange, and that a ring R is J-clean if and only if R is left (J(R) - 1)-exchange. As a conclusion, we obtain a sufficient condition such that clean (nil clean property, respectively) can pass to corners and reprove that J-clean passes to corners by a different way.

  • https://doi.org/10.4134/BKMS.b190642 인용 PDF KSCI

mt DNA 다형이 한우 성장에 미치는 영향 (Effects of Mitochondrial DNA Polymorphism on Growth Traits of Hanwoo)

  • Jeon, G.J.;Chung, H.Y.;Choi, J.G.;Lee, M.S.;Chung, Y.H.;Lee, C.W.;Park, J.J.;Ha, J.M.;Lee, H.K.;Na, K.J.
    • 한국수정란이식학회지
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    • 제18권3호
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    • pp.227-235
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    • 2003

  • 한우의 mt DNA cytochrome oxidase subunit I, II, 및 III complex지역의 유전적 다형현상을 제한효소를 이용하여 검출하였다. PCR primer 6종에 대하여 20가지 제한효소를 처리하였으며, Pst I, Pvu II, Rsa I, Eco RI, Bgl II, and Msp I 제한효소를 사용하여 유전적 변이를 검출하였다. 검출된 변이체와 한우의 성장과의 관련성을 조사한 결과 cytochrome oxidase subunit III complex 지역의 유전염기서열을 근거로 제작한 primer Mt9 좌위에서 제한효소 PvuII를 이용한 절단형과 체중형질 인 WT15(P<0.05) 및 WT18(P<0.01)에서 고도의 유의성이 관찰되었다. 아울러 , Mt9-Pvu II(P=0.07), Mt6-Bgl II(P=0.05), and Mt8-Rsa I(P=0.05) 좌위 또한 WT9, WTl5, and WT15에서 각각 통계적 유의성이 관찰되었다. 따라서 본 결과는 cytochrome oxidase subunit III complex segments가 candidate gene으로서 기초적 유전정 보 제공은 물론 유전적 개량을 위해 사용될 수 있을 것으로 사료된다.

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