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Moving wall 형 LB막 정전용량의 주파수 의존성
이우선,오금곤,정용호 조선대학교 에너지.자원신기술연구소 1998 에너지·자원신기술연구소 논문지 Vol.20 No.2
LB layers of L-α-DLPC deposited by LB method were deposited onto n-type silicon wafer as Z-type film. Films made up of 8, 16 layers of lipid with long alkyl chain and the thickness of monolayer and multilayers was determined by ellipsometry. It was deposited Ag and Al onto LB layers and silicon wafer for electrode and exhibit high capacitance with low frequency. The MLS capacitor shows very high value of capacitance. The result indicated the lower leakage current and very high saturation value of capacitance was reached within 700-800 ㎊ when the thickness was 275Å.
이호금 서울여자대학교 여성연구소 1987 여성연구논총 Vol.3 No.-
The purpose of this study is to investigate the overall tendency of marital satisfaction of employed wives and unemployed wives with reference to some important aspects of wife's employing. The specific objectives of this study can be summarized as follow: 1.Is there any significant difference between the level of marital satisfaction of employed wives ' group and unemployed wives' group? 2.Is the level of employed wife's satisfaction higher than the level of unemployed wife's one in the aspect of communication? 3.Is the level of unemployed wife's satisfaction higher than the level of unemployed wife's one in the leisure life? 4.Isn't there any difference between employed wife's satisfaction and unemployed wife's one in the sex life? 5.Is the level of unemployed wife's satisfaction higher than the level of employed wife's one in the solution of conflict? 6.Is the level of employed wife's satisfaction higher than the level of unemployed wife's one in the aspect of finance situation? 7.Is the level of unemployed wife's satisfaction higher than the level of employed wife's one in the relation of her children? 8.Is the level of unemployed wife's satisfaction higher than the level of employed wife's one in the relation of her family and friends? 9.Isn't there any difference between employed wife's satisfaction higher than the level of employed wife's one in the relation of her father and mother in her childhood? Subjects of this study were 336 wives over graduating high school, in Seoul. They consisted of 218 employed wives and 118 unemployed wives. To investigate the level of marital satisfaction, Olsen's "ENRICH(Evaluation and Nurturing Relationship Issues, Communication and Happiness)" was used. The statistics used for data analysis were frequency distribution, percentile, standard deviation, arithmetic mean, and analysis of variance. The results of this study were as follows: 1.There is no difference between the level of marital satisfaction of employed wives 'group and unemployed wives' group. 2.Tow groups marital satisfaction differences significantly in four aspects among ten aspects. Significant differences were found among the levels of marital satisfaction in the aspect of husband's personality, communication, finance situation, and housework. Therefore, employed wives were satisfied with the aspects of husband's personality and housework. And unemployed wives were satisfied with the aspects of communication and finance situation.
李珍昊,秋錦洪,徐日煥,林星秀,柳保盈,朴晶蘭 충남대학교 자연과학연구소 1993 忠南科學硏究誌 Vol.20 No.1
The planes belonging to the 230 space groups have been classified into 14 equivalent plane relations according to the symmetry of Laue groups.
點郡 3㎖(H) 의 振動寫眞 및 Weissenberg寫眞에서의 特性
이진호,류보영,조소라,김문집,추금홍,서일환,임성수 순천향대학교 1993 논문집 Vol.16 No.3
Crtstallographic cell constants of point group ?? are a =b≠c, α=β=90。, and γ=120。. There are mirror plane symmetries in oscillation photography taken at a-axis and b-axis, but no plane symmetry at c-axis. Since Weissenberg zeroth layer taken at a- and b-axis obeys Friend's law, half of the photography shows non-symmetric unit of diffraction intensity. There are 6 mirror planes in the Weissenberg zeroth layer when the photography was taken at c-axis, therefore 1/12 of the unit cell is non-symmetric unit.
Weissenberg 寫眞 技法에 의한 酸化마그네슘(MgO)의 結晶構造
이진호,류보영,조소라,김문집,추금홍,서일환,임성수 순천향대학교 1993 논문집 Vol.16 No.3
The structure of MgO crystal is faced centered cubic(FCC) with cell parameters of a=b=c=4.21Å, α=β=γ=90。. The ionic bond length between Mg and O atoms is 2.1Å. This crystal belongs to m3m point group and to Fm3m space group.
徐日煥,李正秀,李珍昊,秋錦洪,成百石,林星秀,柳保盈 충남대학교 자연과학연구소 1992 忠南科學硏究誌 Vol.19 No.2
三斜晶系에는 2個의 空間群이 있고 單斜晶系에는 13個의 空間群이 있다. 本 論解에서는 이 空間群들을 誘導한후 各 空間群에 屬한 一般位置, 原點移動, 特殊座標 및 反射條件들을 說明 하였다. There are two and thirteen space groups in triclinic and monoclinic systems respectively. After derivation of the space groups, the general coordinates, the special coordinates and the reflection conditions of each space group have been discussed and change of origin of certain space groups is also shown.
Reciprocal Lattice Explorer의 原理와 使用法
徐日煥,李珍昊,秋錦洪,林星秀,柳保盈,朴晶蘭,金文執,趙素羅,金憲俊,李正秀,成百石 충남대학교 자연과학연구소 1993 忠南科學硏究誌 Vol.20 No.2
Reciprocal lattice explorer는 de Jong-Bouman camera와 Buerger precession camera를 合친것이다. 이 explorer를 使用하면 goniometer에 한번 固定한 試料를 使用하여 그 試料의 空間群을 決定하는데 必要한 모든 寫眞을 撮影할 수 있으며 그들은 찌그러지지 않은 逆格子面의 寫眞들이다. 本 論文에서는 de Jong-Bouman 과 Buerger precession 寫眞術의 原理와 使用法을 記述 하였고 또한 de Jong-Bouman의 振動寫眞과 zeroth layer 寫眞으로부터 11個 Laue群의 識別方法도 提示하였다. The reciprocal lattice explorer is an instrument which incorporates the principles of both the Buerger precession and the de Jong-Bouman methods. On the explorer all photographs which are necessary for a space group determination can be taken with a single setting of a crystal and the photographs show undistorted pictures of the reciprocal lattice planes. In this paper, the principles and the usages of the de Jong-Bouman and the Buerger precession photography are described, and a method of 11 Laue group identification using the de Jong-Bouman oscillation and zeroth layer photographs is shown.
김용채,이창희,이진호,서일환,추금홍,이정수,성백석,김문집 순천향대학교 기초과학연구소 1998 순천향자연과학연구 논문집 Vol.4 No.2
The anisotropic thermal factor of an atom located at a general position has six parameters as follows: ?? If the atom is placed at a special position, the anisotropic thermal factor must have the same symmetry as the special position has. The symmetries at the special positions reduce the 6 anisotropic thermal parameters to 4 or 3 or 2 or 1 and there are 18 different kinds of anisotropic thermal factors altogether for special positions in 230 space groups.