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- 발행기관 : 麗水水産大學校産業技術硏究所 (검색결과 7 건)
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金三泰,盧載粲 麗水水産大學校産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
分數 이데알의 類 中에서 因子라고 하는 重要한 部分類를 分類하여 그 性質을 조사 硏究하는 것은 重要한 일이다. 本 論文에서는 Krull 環의 因子에 關한 다음 두 定理를 證明하였다. (1) 零아닌 素이데알은 高度가 1일때만 因子가 된다. (2) 이데알이 因子가 될 必要充分條件은 그것이 高度가 1인 有限個의 準素이데알들의 交集合으로 나타내어진다.
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CdSiP₂Chalcopyrite의 고유치와 Raman Shift의 계산
임승혁,정호용,정윤근 麗水水産大學校産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
The equations of motion of CdSiP₂with chalcopyrite structure are formulated by using the harmonic approximation method. The force constants are used to two first-neighbor central and one second-neighbor angular force constants following Bettini. With these force constants, dynamical matrix can be obtained. The secular equations constructed from this dynamical matrix are solved by software called mathematica. In this study, we calculated eigenvalue and Raman shift in CdSiP₂chalcopyrite, these are compared with the experimental Raman shifts and Bettini's. Our results explain the Raman shifts fairly good.
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金三泰,盧載粲 麗水水産大學校産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
第一境堺値問題 (1) Δu(x)=f(x,u(x)) for x∈k, (2) D?u(x)-h(x,u(x))=f₁(x,u(x)) for x∈ ∂k,와 第二境堺値 問題 (1') Δ²u(x)=f(x,u(x)) for x∈k, (3) D?u(x)=f₂(x,u(x)) for x∈∂k, (4) D?Δu(x)+h(x,u(x)=f₃(x,u(x)) for x∈∂k, k={x: ⅠxⅠ 〈R}, R은 주어진 常數, x=(x₁, x₂, x₃), Δ는 E₃에서 Laplace 演算子이며 f, h, f₂, f₂, f₃는 주어진 函數임. Ball k에서 임의의 点 X 와 E₃에서 임의의 点 Y=(y₁, y₂, y₃)에서 範圍를 다음과 같이 定하였다. r²(x;Y)=∑³?=₁(Y?-X?)², ?={x: ⅠxⅠ ≤r}, D={x:0〈R₁〈 ⅠxⅠ ≤r}, D₁={(x,u):x∈D, u∈[ -r,r] }, D₂={(x,u):x∈k, u∈[ -r,r] }, ?₂={(x,u):x∈?, u∈[ -r,r] }. 定義 1에서는 不等式 ⅠuⅠ ≤r를 滿足하는 X에 대하여 모든 u(x)의 涵數類를 (A)라고 定義 하였으며 定義 2, 3에서도 같은 方法으로 (F)와 (H)를 각각 定義하였다. 定義 4에서는 G₁와 G₂에 대하여 Green 函數를 생각했다. 즉 G₁(x;y)=(4π)?[2r?(x;y)-R?1n(R+r(x;y)-r(0;x)cos a)], x≠y, G₂(x;y)=∫∫∫?G1(x;y)G₁(z;y)dz. 定義 1에서 函數 u₁, u₂가 class c²(k)∩c¹(?) 內에 存在하는 (BP-1) 問題의 해라고 하면 1?. D?f(x,u)≥0 for (x,u)∈?, 2?. D?h(x,u)≤0 for (x,u)∈? for (x,u)∈?이면 u₁≡u₂ for x∈?, 즉 평균치 定理와 一意性 定理를 利用해서 u₁와 n₂가 같음을 證明하였다. 定理 2에서는 函數 u, f, h는 각각 class (A), (F), (H)에 屬하고 函數 u₁, u₂가 c⁴(k)∩c³(?)內에 存在하는 (BP-2)의 解라고 하면 u₁≡u₂임을 보여 解가 一意的으로 存在함을 基本定理와 坪均値 定理를 利用하여 證明하였다.
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Mg-Oxide에 담지된 알칼리 금속염 촉매상에서 메탄의 Oxidative Coupling 반응에 관한 연구
서호준 麗水水産大學校 産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
OCM(Oxidative Coupling of Methane) is discussed based on experimental observations in a fixed bed flow reactor at atmospheric condition and instrumental analyses such as FT-IR, SEM, etc. Among the alkali metal salts impregnated Mg-Oxide catalysts, the bialkali metal salts impregnated Mg-Oxide catalyst showed superior activity to monoalkali metal salts impregnated Mg-Oxide catalysts based on the C₂ yield. Activity order of alkali metal salts impregnated Mg-Oxide catalysts based on the C₂ yield was [LiCl+NaCl] 〉 LiCl 〉 NaCl 〉 KCl. This suggests bialkali metal salts to neutralize the acid site through the production of superbasicity due to synergic effect. Moreover, the production distribution of OCM over alkali metal salts impregnated Mg-Oxide catalysts shows that a competitive primary reaction of methane to C₂ or CO? has occured. Ethylene is proposed to secondary reaction of ethane.
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강훈이,서인숙,이호신 麗水水産大學校 産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
This study was designed to observe the effects of feeding dietary fiber on the improvement of the fatty acid metabolism in brain, heart and lung in dietary hypercholesterolemic rats. Experimental groups with 5% level of cellulose(A group as control group), chinese cabbage root(B group),tora stalk (C group)and sweet potato stalk (D group)were adminstered to the male rats of the Sprague-Dawley for 4 weeks. The results obtaind are as follows. In the fatty acid composition of total lipid, phospholipid in the brain, the docosahexaenoic acid in the PUFA was major fatty acid. In the fatty acid composition of total lipid, phospholipid in the brain, the docosahexaenoic acid in the PUFA was major fatty acid. While in the fatty acid composition total lipid and phospholipid in the heart, the eicosapentaenoic acid in the PUFA was major fatty acid. And in the fatty acid composition of total lipid and phospholipid in the lung, the content of palmitic acid and oleic acid were higer than other fatty acid. These fats were influenced by the fatty acid composition of the test lipids. From the above result, the feeding of chinese root was effective on the improvement of the lipid compositions in principal organ tissue.
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이호신,서인숙,김우준 麗水水産大學校 産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
This study was designed to observe the effects of feeding dietary fiber on the improvement of the lipids and the fatty acid metabolism in liver in dietary hypercholesterolemic rats. Experimental groups with 5% level of cellulose(A group as control group), chinese cabbage root(B group), tora stalk(C group) and sweet potato stalk(D group) were adminstered to the male rats of the Sprague-Dawley for 4 weeks. The results obtaind are as follows. Concentrations of total cholesterol, triglyceride and phospholipid in liver were significantly lower in the all experimental groups than in the control group, particularly, the lowest in the B group. Concentrations of free cholesterol and cholesteryl ester in liver were lower in the B group than in the other groups. In the fatty acid composition of total lipid, phospholipid, triglyceride and cholesteryl ester in liver, oleic acid in the MUFA was major fatty acid. From the above result, the feeding of chinese root was effective on the improvment of the lipid composition in liver.
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혼합된 핵자의 D-상태에서 결합상수 ??와 ??에 관한 계산
鄭潤根 麗水水産大學校 産業技術硏究所 1995 産業基術硏究所 論文集 Vol.4 No.-
본 논문은 D-상태에 대해서 핵자의 파동함수가 isospin과 스핀, 궤도 양자수로 혼합된 대칭관계를 갖고 있다는 것을 표현하였으며, ∑1 +(i)o +(i)를 이용하여, 혼합된 핵자의 D-상태를 고려하여, 결합상수 g?와 g?²/g?²를 구하여,실험값과 비교하여 보았다.
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