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李原鎭,成德鏞,全永基,申再鉉 대구산업정보대학 1998 논문집 Vol.12 No.2
It was investigated the variation of polarization by the double refraction of light for a calcite crystal. In a calcite there is a single direction called the optics axis, which is an axis of symmetry with respect to both the crystal form and the arrangement of atoms. For a point in calcite, there are three principal sections, one for each pair of opposite crystal faces. A principal section always cuts the surfaces of a calcite crystal in a parallelogram withe angles of 71˚ and 109˚. When a beam of plane-polrized light is directed along the optic axis of calcite crystal, the plane of polarization turns steadily about the direction of the beam and emerges vibrating in some other plane than that at which it entered. The law of Malus is ralationship how the intensity transmitted by the analyzer varies with the angle that its plane of transmission makes with that of the polarizer. The pane polarization, θ was obtained from the law of Malus was 20.2˚
Choi, Eun-Young,Jeon, Min Ku,Lee, Jeong,Kim, Sung-Wook,Lee, Sang Kwon,Lee, Sung-Jai,Heo, Dong Hyun,Kang, Hyun Woo,Jeon, Sang-Chae,Hur, Jin-Mok Elsevier 2017 JOURNAL OF NUCLEAR MATERIALS Vol.485 No.-
<P><B>Abstract</B></P> <P>We present our findings that uranium (U) metal prepared by using the electrolytic reduction process for U oxide (UO<SUB>2</SUB>) in a Li<SUB>2</SUB>O–LiCl salt can be reoxidized into UO<SUB>2</SUB> through the reaction between the U metal and Li<SUB>2</SUB>O in LiCl. Two salt types were used for immersion of the U metal: one was the salt used for electrolytic reduction, and the other was applied to the unused LiCl salts with various concentrations of Li<SUB>2</SUB>O and Li metal. Our results revealed that the degree of reoxidation increases with the increasing Li<SUB>2</SUB>O concentration in LiCl and that the presence of the Li metal in LiCl suppresses the reoxidation of the U metal.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Uranium (U) metal can be reoxidized into UO<SUB>2</SUB> through the reaction between the U metal and Li<SUB>2</SUB>O in LiCl. </LI> <LI> The degree of reoxidation increases with the Li<SUB>2</SUB>O concentration in LiCl. </LI> <LI> The presence of the Li metal in LiCl suppresses the reoxidation of the U metal. </LI> </UL> </P>
Stability of yttria-stabilized zirconia during pyroprocessing tests
Choi, Eun-Young,Lee, Jeong,Lee, Sung-Jai,Kim, Sung-Wook,Jeon, Sang-Chae,Cho, Soo Haeng,Oh, Seung Chul,Jeon, Min Ku,Lee, Sang Kwon,Kang, Hyun Woo,Hur, Jin-Mok Elsevier 2016 Journal of Nuclear Materials Vol.475 No.-
<P><B>Abstract</B></P> <P>In this study, the feasibility of yttria-stabilized zirconia (YSZ) was investigated for use as a ceramic material, which can be commonly used for both electrolytic reduction and electrorefining. First, the stability of YSZ in salts for electrolytic reduction and electrorefining was examined. Then, its stability was demonstrated by a series of pyroprocessing tests, such as electrolytic reduction, LiCl distillation, electrorefining, and LiClKCl distillation, using a single stainless steel wire mesh basket containing fuel and YSZ. A single basket was used by its transportation from one test to subsequent tests without the requirements for unloading.</P>
Effect of HAM-12 Treatment on Cellular Morphology of Bovine Ovary in In Vitro
Sung Jai Park,Jun Kyu Son,Kwang Soo Baek,Soo Bong Park,Byeong Soon Jeon,Hyeon Shup Kim,Tai Young Her,Byoung Ho Park,Seok Jin Kang,Joong Hui Lee,Wang Shik Lee,You Lim Choi 한국동물생명공학회(구 한국동물번식학회) 2008 발생공학 국제심포지엄 및 학술대회 Vol.2008 No.1
Jeon, Eun-Hee,Chung, Eun-Sook,Lee, Hye-Young,Pak, Jung-Hun,Kim, Hye-Jeong,Lee, Jai-Heon,Moon, Byung-Ju,Jeung, Ji-Ung,Shin, Sang-Hyun,Chung, Young-Soo The Korean Society of Plant Pathology 2009 Plant Pathology Journal Vol.25 No.2
A full-length cDNA of OgGRP gene encoding a glycinerich cell wall protein was isolated from wild rice (Oryza grandiglumis). Deduced amino acid sequences of OgGRP are composed of 148 amino acids (16.3 kDa), and show 85.9% homology with Osgrp-2 (Oryza sativa). RT-PCR analysis showed that RNA expression of OgGRP was regulated by defense-related signaling chemicals, such as cantharidin, endothall, jasmonic acid, wounding, or yeast extract treatment. In relation to pathogen stress, the function of OgGRP was analyzed in OgGRP over-expressing Arabidopsis thaliana. Overexpression of OgGRP in Arabidopsis contributed to moderate resistance against fungal pathogen, Botrytis cinerea, by lowering disease rate and necrosis size. In the analysis of the transgenic Arabidopsis lines to check the change of gene expression profile, induction of PR1, PR5 and PDF1.2 was confirmed. The induction seemed to be caused by the interaction of ectopic expression of OgGRP with SA-and JA-dependent signaling pathways.