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팽창흑연에 무기염을 함침시킨 화학열펌프용 반응블록의 특성연구
鄭元謨,柳玩浩 大田産業大學校 1996 한밭대학교 논문집 Vol.13 No.1
The chemical heat pump is more efficient than compression type heat punp, Furthermore, it is one of the system which dosen t use any CFCs whose productions and uses are scheduled to be phased out workdwide by Montreal Protocol. Therefore, the chemical heat pump will be expected as the heat pump for next generation. we have studied reacting block based on expanded graphits with impregnated inorganic salt such as chemical heat pump. The basic experimental apparatus is constructed and measuring of pressure-tempeature between ammonia and reacting block are conducted in order to eslimate charateristics of brock. The experimental results are shown that there isn t variation of pressure between block A and Block B, it is supposed that absorption ratio of blocks have no correlation with difference of apparent density. Also, when we compare withthe temperature profile according to time between two blocks, blocks A is constant but block A is shifted. These reasons are obsebed that block Ais less amount of salt and better heat conductivity than block B.
鄭元謨,邊大鉉,崔點洙,安世熙 연세대학교 자연과학연구소 1980 學術論文集 Vol.5 No.-
본 실험에서는 YonseiⅡ 베타선 스펙트로 메터와 연결하여 e-r, e-e등의 각상관 관계 또는 좀더 정확한 베타선 에너지를 측정하기 위하여 소형의 이중집속 베에타선 스펙트로 메터를 설계제작하였다. 특히 자장의 중심부에서의 자장의 특성 빛 자장폐판이 있을 때에의 자장의 변화를 측정하였다. Small double focusing beta-ray spectrometer was designed and fabricated in this laboratory to measure e-r, e-e correlation when the source is set up outside the magnetic field or to measure accurately beta-ray energy by using a pair of this type (Yonsei Ⅱ) of spectrometer. We have obtained the data on the magnetic field characteristics such as the magnetic properties of the magnetic core, the field drop at the magnetic shielding plate window.
정원모,김주균 원광대학교 2005 圓光軍事論壇 Vol.- No.1
Since 1971, the U.S. has been governing the general procedures of defense acquisition such as policies, organization and methods based on the basic principles of DoD Directive 5000.1 and the rules and process outlined in DoD Regulation 5000.2. This dissertation introduces the U.S. Defense acquisition related organization, total life-cycle acquisition management and the status of defense acquisition reforms in U.S. In addition, IPPD, IPT, CAIV and EVMS are discussed in detail, and DoD 5000.2-R as revised on April 5, 2002, and also the most recent acquisition strategies for defense programs are analyzed. The result of this paper can be useful in establishing Korea's Defense acquisition strategy in the future.
鄭元謨 大田産業大學校 1994 한밭대학교 논문집 Vol.11 No.0201
C-SCS의 검토에서부터 시작하여, 구해진 e값과 μ값을 이용하여 지방족계, 방향족계를 같은 기반에서 고찰하고 여기에 관계되는 a(e+bμ)+c식으로서 핵종과 치화기의 구조를 계산하고, 치환기정수의 예언을 가능케 유도한다. 또한 비공유전자대 효과, 1.3공간경유상호작용의 효과, 유기전자적 효과등을 설명했으며, 주로 반응에서 전위상태 가까이에서의 전자의 이동을 살피는데 유의해서 설명했다.
有機化合物에 있어서의 酸化反應에 對한 考察 : 特히 Ion反應의 Radical 反應에 있어서의 基礎理論에 對해서
鄭元謨 大田工業高等專門學校 1969 論文集 Vol.4 No.-
Though the quality and reaction of organic and inorganic compound must be considered as to the oxidation reaction of organic compound, and the relations between the theory of electrons, the theory of reaction construction and chemistry of solid must be explained; only partial oxidation is mentioned here. From the oxidation of the organic compound, direct oxidation-slow oxidation which is turned up by air generally in low temparature; alcohol oxidation - oxidation process of the movement of electron which shows such phenomenon as herlerolytic oxidation; and aldehyde oxidation - proper oxidation by using herterolytic oxidizing agent because the reaction proceeds rapidly that makes aromatic aldehyde like Connzzaro reaction into strong alkali - are chorea. Keton is more difficult to be oxidized than alcohol or olefine, but it is oxidized especially by saturated hydrocarbon or reagent which is not worked in alcohol. Calbonic acid is a material which is seldom oxidized but the enolization in the oxidation process of the calbonic acid is important. Because the oxidation of armatic hydrocarbon does not have any space, electrons of the whole malecules are tightly combined all together and it is not effected by oxidizing agent. So there is a means that we take advantage of the activation by light.