• Title/Summary/Keyword: 김광경

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Biosynthesis and Applications of TDP-4-keto-6-deoxyglucose

  • Lee, Hui-Chan;Song, Jae-Gyeong;Ryu, Gwang-Gyeong;O, Jong-Min;Kim, Byeong-Gi;Gang, Seon-Yeop;Lee, Ju-Ho;Sim, Seong-Bo
    • 한국생물공학회:학술대회논문집
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    • 2002.04a
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    • pp.83-86
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    • 2002
  • Thermus caldophilus로부터 TDP-glucose 4,6-degydratase (TDPDH) 유전자를 분리하고 염기서열을 결정하고, 결정된 염기서열에 해당하는 유전자를 발현벡터에 삽입하고, 발현벡터를 대장균에 형질전환시켜 배양함으로써 TDP-glucose 4,6-dehydratase를 대량 생산하였다. 본 연구의 TDP-glucose 4,6-dehydratase는 주반응으로 TDP-4-keto-6-glucose를 합성하고, 여러 가지 당을 디옥시당으로 합성하는 효과가 있다.

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The Effects of Self-Esteem and Sociocultural Attitude toward Appearance on Clothing Behavior (자아존중감과 외모에 대한 사회문화적태도가 의복행동에 미치는 영향)

  • 김광경;이금실;정미실
    • Journal of the Korean Home Economics Association
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    • v.39 no.9
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    • pp.95-102
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    • 2001
  • The Effects of Self-Esteem and Sociocultural Attitude toward Appearance on Clothing Behavior. The purpose of this study was to investigate to relation between self-esteem and sociocultural attitude toward appearance and clothing behavior i.e. individuality/self expression, body improvement, social approval, sex appeal. Measurements were included Rosenberg's self-esteem, Thompson's sociocultural attitude toward appearance questionnaire and clothing behavior. The data were collected from 498 female university students in Seoul and Kyongki Province. The collection works were undertaken between the 15th of June and 30th of June, 2001, The data were analyzed using factor analysis, reliability test, analysis of variance, and multiple regression analysis. The results of this study were as follows : 1) Three dimensions of sociocultural attitude toward appearance were identified: internalization, social awareness, and concrete awareness. 2) Self-esteem and internalization of sociocultural attitude toward appearance had an effect on clothing behavior i.e. individuality/self expression, body improvement, social approval and sex appeal. Social awareness of sociocultural attitude toward appearance had an effect on body improvement, social approval, and sex appeal.

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A Study on the Clothing Benefits and the Source of Information of Korean Female University Students According to Shopping Orientation (여자 대학생의 쇼핑성향에 따른 의복추구혜택, 정보원활용 유형에 관한 연구)

  • Nam, Mi-Woo;Kim, Kwang-Kyung
    • Journal of the Korean Home Economics Association
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    • v.41 no.9
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    • pp.55-67
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    • 2003
  • The purpose of this study was to find out the source of information and clothing benefits of female university students according to their shopping orientations. 340 female students living in Seoul were surveyed and the following results were found: Female students were divided into recreational shoppers and convenience shoppers according to their shopping orientations. Recreational shoppers exhibited interest in self-improvement, individuality, economy, and convenience shoppers in practicality of clothing benefits. Recreational shoppers focused higher value on gathering information than convenience shoppers and prefer information they gain in store display and mass communication media. Recreational shoppers have higher value on self-actualizing than social affiliation value. The findings indicate that shopping orientation can be used effectively to segment the female university students market and the finding of this study contribute to the development of strategies for clothing producer or retailer to provide a strong means to satisfy their shoppers' needs.

The Relationships Between Masculine Gender Role Stress and Clothing Behavior of Male Students in Seoul (남성 성역할 스트레스와 의복행동과의 상관연구 -서울 남자 대학생을 중심으로-)

  • Kim Kwang Kyung;Lee Sook Nyeu
    • Journal of the Korean Society of Clothing and Textiles
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    • v.13 no.4
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    • pp.339-346
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    • 1989
  • The Purpose of this study were; (1) to investigate the relationship between Masculine Gender Role Stress and four aspects of Clothing behavior, (2) to ascertain whether differences exist among demographic variables on Masculine Gender Role Stress and Clothing behavior, (3) to investigate the relationship among the four aspects of Clothing behavior. Masculine Gender Role Stress was assessed by Eisler & Skidmore's Scale. Four aspects of Clothing (Conformity, Satisfaction, Exhibition, Brand Orientation) were assessed by Chung's, Lim's & Lee's, Shim's and Kim's questionnaires. The samples were consisted of 236 male students in Seoul. The statistical analyses of the obtained data included calculation of the Mean, S.D., Correlation, ANOVA and Regression. The Results were as follows; (1) Masculine Gender Role Stress was positively related to conformity, exhibition of Clothing and negatively related to satisfaction of Clothing. (2) There were significant differences among three groups of Major on Clothing behavior. (3) There were significant differences among three groups of locations of high school on Masculine Gender Role Stress. (4) There were significant relationships among each Clothing variables. Positive relationship were found between Exhibition and Brand Orientation of Clothing. Negative relationships existed between (i) Conformity and Satisfaction, Exhibition, Brand Orientation of Clothing, (ii) Satisfaction and Exhibition, Brand Orientation of Clothing.

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A Study of General Values and Satisfaction, Exhibitionism, Fashion of Clothing and Korean Clothing (가치관과 의복의 만족도, 과시성, 유행 및 한복에 관한 연구 - 대전 지방의 여대생과 어머니를 중심으로 -)

  • 김광경
    • Journal of the Korean Home Economics Association
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    • v.20 no.2
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    • pp.53-63
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    • 1982
  • The purpose of this study were; (1) to investigate the relationship between the general values and 3 aspects of clothing behaviors. (2) to investigate attitudes toward Korean clothing between students and their mothers. General values were measured by the Allport-Vernon-Lindzey Study of Values(Part 1 only), which determines relative prominence of six basic values. Three aspects of clothing behaviors were assessed by statements dealing with satisfaction, exhibitionism, and fashion. Korean clothing measures consisted of statements dealing with positive and negative attituded toward psychological and practical aspects. The samples consisted of 200 students(student group) and 100 mothers (mother group) in Daejon. The data were analyzed by correlation and t-values. The results obtained through this study were as follows: 1) Positive relationship were found between: (1) Aesthetic value and the exhibitionism of clothing, (2) Aesthetic value and the fashion of clothing. Negative relationships existed between (1) Theoretical value and the exhibitionism of clothing, (2) Economic value and the fashion of clothing, (3) Social value and the fashion of clothing. 2) Significant differences were found between two groups(students and their mothers) : Economic, aesthetic, and political values as well as exhibitionism and fashion in clothing behaviors. 3) In general, highly positive attitude toward Korean clothing was found on psychological aspect, while highly negative attitude was found on practical aspect. Significant differences were found between two groups; (1)‘Graceful’of psychological aspect and‘economic’,‘inexpensive’of practical aspect in positive attitudes toward Korean clothing, (2)‘Unsuitable to current life style’,‘not modern’and‘not beautiful’of psychological aspect in negative attitudes toward Korean clothing.

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Acupuncture Therapy Literature Study on the Knee Rheumatoid Arthritis (류마티스성 슬관절염(膝關節炎)의 침구치료(鍼灸治療)에 관한 문헌고찰)

  • Kim, Moo-jin;Yoon, Jong-hwa;Kim, Kyung-ho;Lee, Seung-deok;Kim, Kap-sung
    • Journal of Acupuncture Research
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    • v.22 no.1
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    • pp.191-201
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    • 2005
  • Objective : The purpose of this study is to arrange the literature about a acupuncture therapy on the knee rheumatoid arthritis. Methods : We arrange fifty kinds of literature about a acupuncture therapy of knee joint, knee arthritis, Results : Acupucture point at G30, G34, S36, LI11, B4O, G39, G38, LI4 used frequently for the acupuncture therapy Conclusion : B, G, S, Sp of merdians used frequently for the acupuncture therapy.

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The effect of silica composite properties on DLP-stereolithography based 3D printing (실리카 복합소재의 물성에 따른 DLP 3D printing 적용 연구)

  • Lee, Jin-Wook;Nahm, Sahn;Hwang, Kwang-Taek;Kim, Jin-Ho;Kim, Ung-Soo;Han, Kyu-Sung
    • Journal of the Korean Crystal Growth and Crystal Technology
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    • v.29 no.2
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    • pp.54-60
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    • 2019
  • Recently, various composite materials for additive manufacturing are interested to expand the application field of 3D printing. 3D printing technique was mainly developed using polymer, and ceramic materials for 3D printing are still in the early stage of research due to the requirement of high solid content and post treatment process. In this study, silica particles with various diameters were surface treated with silane coupling agent, and synthesized as silica composite with photopolymer to apply DLP 3D printing process. DLP is an additive manufacturing technology, which has high accuracy and applicability of various composite materials. The rheological behavior of silica composite was analyzed with various solid contents. After DLP 3D printing was performed using silica composites, the printing accuracy of the 3D printed specimen was less than about 3 % to compare with digital data and he bending strength was 34.3 MPa at the solid content of 80 wt%.

The Fabrication of Microstructures and Curing Characteristics in Photopolymer on the Microstereolithography using a Dynamic Pattern Generator (다이내믹 패턴 형성기를 이용한 마이크로 광 조형기술에서 미세 구조물 제작 및 수지경화특성에 관한 연구)

  • Kwon B.H.;Choi J.W.;Ha Y.M.;Kim H.S.;Won M.H.;Lee S.H.
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2005.06a
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    • pp.1181-1185
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    • 2005
  • Microstereolithography has evolved from the stereolithography technique, and is also based on a light-induced layer-stacking manufacturing. Integral microstereolithography is proposed for building a 3D microstructure rapidly, which allows the manufacture of a complete layer by one irradiation only. In this study, we developed the integral microstereolithography apparatus based on the use of $DMD^{TM}$ as dynamic pattern generator. It is composed of Xenon-Mercury lamp, optical devices, pattern generator, precision stage, controllers and the control program. Also, we estimated curing characteristics in photopolymer. The relationship between the viscosity of diluent-oligomer solutions and curing width, irradiation time and curing property has been studied.

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Transfelctive Liquid Crystal Display using UV Curable Reactive Mesogen (광경화성 고분자를 이용한 반투과형 액정디스플레이)

  • Lim, Young-Jin;Jeong, Eun;Chin, Mi-Hyung;Kim, Jin-Ho;Kim, Seong-Su;Lee, Seung-Hee
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2008.04a
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    • pp.51-52
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    • 2008
  • A single gap transflective liquid crystal display(LCD) driven by fringe electric field in the transmissive(T) region and vertical electric field in the reflective(R) region was designed. Because the pretilt angle is formed in $53^{\circ}$ through polymerization of an UV curable reactive mesogen(RM) monomer at the surface, the effective cell retardation $(d{\Delta}n_{eff})$ value of the R region becomes half of that in the T region where the LCs are homogenously aligned. Consequently, a transflective display driven by a vertical and fringe electric field with a single cell gap and single gamma curves is realized.

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Single Photon Interference Experiments in a Sagnac-type Mach-Zehnder Interferometer (Sagnac 형태로 변형된 Mach-Zehnder 간섭계를 이용한 단일광자 간섭실험)

  • Um, Jayoon;Kim, Yong Soo;Kim, Heonoh
    • Korean Journal of Optics and Photonics
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    • v.23 no.2
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    • pp.71-76
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    • 2012
  • A Sagnac-type Mach-Zehnder interferometer(SMZI) is a very stable instrument with respect to phase drift because all optical paths can share common optical components. We have observed very stable interference fringes in single photon interference experiments with an extremely attenuated laser beam, and with heralded single photons prepared from polarization correlated photon pairs in type-II spontaneous parametric down-conversion. The phase stability is measured to be about ${\pm}0.18$ rad for the SMZI, in contrast, conventional MZI showed the phase fluctuation of around ${\pm}1.02$ rad.