• 대한가정학회지
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• 제24권3호
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• pp.31-42
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• 1986

It is generallybelieved that the values of female students are different depending on the cultural enviromment of society. The purpose of this paper is to discern the value orientation of female students in Korea and America, and how they are related to the clothing behavior. 300 female students were selected as sample from the Univ. of Minnesota and 158 students filled out the questionnair. 420 female students were selected from five unversities in Jinju, Taegy and Pusan. RESULTS : 1) Korean students had highly evaluated theaethetic, political, religious and social values, and American students had higher evaluation on the economic and American students had higher evaluation on the economic and theoretical values. 2) Korean students tended to regard modesty, conformity and management as important factors when they chose new clothes, and for American students, appearance and tool were important. 3) The impact of values on clothing vehavior was as follows. a) Korean students who emphasized theoretical values did not use clothes as an instrument of status symbol and modesty. b) American students who emphasized the economic values tended to have an interest in purchase and wearing of clothes on purpose. c) Korean students who had positive attitudes on the aethetic values tended to be conservative, but they wanted to use the clothes as a demonstration of self exaggeraton. d) Korean students who regarded social values important tended to have a higher interest in the management of clothes. e) Korean students who had highly evaluated the religious values tended to be conservative when the selected new clothes. American students did not want to conform to the group norm when they chose new clothes. On the whole, American students did not put on clothes to achieve a specific goal. In short, it can be concluded that Korean students and American students have different values and they have a great impact on their clothing behavior.

• Human Ecology Research
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• 제54권6호
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• pp.599-610
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• 2016

The purposes of this study are to identify the characteristics of limited edition fashion consumers, to analyze their purchase decision-making processes, and to examine negative factors of consumers' recognition toward limited edition fashion products. A qualitative investigation was conducted by doing in-depth interviews with 11 selected consumers in their twenties and thirties who have actively purchased and consumed limited edition fashion products. The results of this study can be summarized as follows. First, there are four sub-categories of appearance management activity, acceptance of fashion trend, information-seeking behavior, and hedonic shopping orientation for the limited edition fashion consumers' characteristics. Second, the purchase decision-making process of limited edition fashion consumers are identified as seven steps: need recognition, information search, evaluation of alternatives, planning and courtship, purchase, post-purchase evaluation, and post-purchase behavior. Courtship/attachment formation and post-purchase behavior are unique steps when compared to general purchase decision-making process. Third, this study identified negative factors of consumers' recognition toward limited edition this study in order to suggest several improvement plans for enterprises using limited marketing. Four sub-categories are examined: outrageous price, tricks of company, fatigue due to purchasing competition, and re-sellers. In conclusion, this study indicates that the purchase decision-making process of limited edition consumers, which involves two distinctive steps including courtship/attachment formation and post-purchase behavior, can be differentiated from general consumers. The results of this study provides preliminary data for further research for in-depth analysis of limited edition consumers.

• Elastomers and Composites
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• 제51권1호
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• pp.1-9
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• 2016

Characterization of the UV oxidation for raw natural rubber (NR) was investigated in controlled conditions through image and FT-IR analysis. The UV oxidation was performed on a thin film of natural rubber coated on a KBr window at 254 nm and room temperature to exclude the thermal oxidation. Before or after exposure to UV light, image of the NR thin film was observed at a right or tilted angle. FT-IR absorption spectra were measured in transmission mode with the UV irradiation time. The UV oxidation of NR was examined by the changes of absorption peaks at 3425, 1717, 1084, 1477, 1377, and $833cm^{-1}$ which were assigned to hydroxyl group (-OH), carbonyl group (-C=O), carbon-oxygen bond (-C-O), methylene group $(-CH_2-)$, methyl group $(-CH_3)$, and cis-methine group $(cis-CCH_3=CH-)$, respectively. During the initial exposure period, the results indicated that the appearance of carbonyl group was directly related to the reduction of cis-methine group containing carbon-carbon double bond (-C=C-). Most of aldehydes or ketones from carbon-carbon double bonds were formed very fast by chain scission. A lot of long wide cracks with one orientation at regular intervals which resulted in consecutive chain scission were observed by image analysis. During all exposure periods, on the other hand, it was considered that the continuous increment of hydroxyl and carbonyl group was closely related to the decrement of methylene and methyl group in the allylic position. Therefore, two possible mechanisms for the UV oxidation of NR were suggested.

• 한국자동차공학회논문집
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• 제2권6호
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• pp.94-101
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• 1994

About vibration model of Six-degrees-of-freedom(DOF), in mass load, examined results for knowing dynamic interference and response variation is as follows; In case of putting mass load upon the object, experimented results on two-degrees-of-freedom of the translation-1 direction and the rotation-1 direction at open-loop-control system, about 0.19 arcsed in input of the translation-$0.1{\mu}m$ and $0.022{\mu}m$ on input of the rotation-0.5 arcsec, the justicse of motion equation is acknowledged as confirming the appearance of the interference-$0.022{\mu}m$. In establishing calculation of transformation matrix by using analogue circuit, as simulating results that used incomplete differentiation, interference is $1.7{\times}10^{-3}$ arcsec on input of the translation-$0.1{\mu}m$ and $1.4{\times}10^{4}{\mu}m$ on input of the rotation-0.5 arcsec in open-loop-control system. Also it is $4.2{\times}10^{-4}$ arcsec on input of the translation-$0.1{\mu}m$ and $5.6{\times}10^{-5}{\mu}m$ on input of the rotation-0.5 arcesc in closed-loop-control system. As closed-loop-control system is better than open-loop-control system, equivalent accordance is confirmed on original response. Finally, fundamental validity of this theory is acknowledged.

• 대한두경부종양학회지
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• 제24권1호
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• pp.53-56
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• 2008

Objectives：The purpose of this study was to evaluate the variable sonographic features in addition to classic findings and to find the helpful characteristic findings for diagnosis of branchial cleft cysts. Subjects and Methods：We retrospectively analyzed the sonographic finding of 16 histopathologically proven branchial cleft cysts. Assessment involved the following variables : location related to carotid artery, size, cyst wall, border, margin, shape, internal echotexture, post echoic enhancement, orientation of longitudinal axis relative to the long axis of the neck, and tapering edge. Results：Most branchial cleft cysts were seen as well defined(15/16), oval shape(13/16), smooth inner (12/16) and outer margin(13/16), and post echoic enhancement(16/16). Their diameter varied from 1 to 6cm (mean 3.3cm). The branchial cleft cysts showed variable internal echopatterns；hyperechogenicity or pseudosolid appearance(1/16), heterogeneous echogenicity(4/16) in addition to classic form of anechoic(5/16) or hypoechoic internal echogenicity(6/16). Longitudinal axis of most branchial cleft cysts were arranged in the direction of the long axis of the neck(13/16) and some branchial cleft cysts had tapering edge(6/16). Conclusion：If both atypical sonographic findings and location are showed, longitudinal arrangement of long axis and tapering edge of branchial cleft cysts are helpful findings for differential diagnosis.

• 한국염색가공학회지
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• 제34권4호
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• pp.284-301
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• 2022

The limitations of food production caused by global warming, consumption of soil fertility, and land shortage have demanded the development of alternative foods. Their market has been increasing, and in particular, there is an urgent need for an alternative meat. Among them, the non-slaughtered cell-cultured meat that can be manufactured in the laboratory, that is, cultured meat, is in the spotlight, which can solve the problem of meat consumption while including the advantages of meat. It is classified into minced cultured meat and structured one with a structure similar to that of real meat. The latter is currently facing limitations related scaffolds, cells, and the multiplicative problems, and many attempts are being made to solve them. The complex problem is related to secure texture and taste as well as structural similarity to actual meat. To solve the problems, it is necessary to lay emphasis on cells, there are fat cells and vascular cells, and the most fundamental cells, muscle cells. These are the main cells that control the texture and nutrients of meat, and unlike other cells, they grow in the form of fibers. A myofibril (also known as a muscle fibril) is a basic rod-like organelle of a muscle cell, which is a quantitatively major component of meat, and one of the tissues that maintain the appearance of the body and bones. In this review article, we focused on the growth of muscle cells into long, tubular cells known as muscle fibers using the fabricated fibrous scaffold, and reviewed not only research results for muscle tissue engineering but also various results in the related fields for the last five years.

• 한국펄프종이공학회:학술대회논문집
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• 한국펄프종이공학회 2000년도 제26회 펄프종이기술 국제세미나
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• pp.16-23
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• 2000

The increasing functional needs of top-quality printing papers and packaging paperboards, and especially the rapid developments in electronic printing processes and various computer printers during past few years, set new targets and requirements for modern paper quality. Most of these paper grades of today have relatively high filler content, are moderately or heavily calendered , and have many coating layers for the best appearance and performance. In practice, this means that many of the traditional quality assurance methods, mostly designed to measure papers made of pure. native pulp only, can not reliably (or at all) be used to analyze or rank the quality of modern papers. Hence, introduction of new measurement techniques is necessary to assure and further develop the paper quality today and in the future. Paper formation , i.e. small scale (millimeter scale) variation of basis weight, is the most important quality parameter of paper-making due to its influence on practically all the other quality properties of paper. The ideal paper would be completely uniform so that the basis weight of each small point (area) measured would be the same. In practice, of course, this is not possible because there always exists relatively large local variations in paper. However, these small scale basis weight variations are the major reason for many other quality problems, including calender blacking uneven coating result, uneven printing result, etc. The traditionally used visual inspection or optical measurement of the paper does not give us a reliable understanding of the material variations in the paper because in modern paper making process the optical behavior of paper is strongly affected by using e.g. fillers, dye or coating colors. Futhermore, the opacity (optical density) of the paper is changed at different process stages like wet pressing and calendering. The greatest advantage of using beta transmission method to measure paper formation is that it can be very reliably calibrated to measure true basis weight variation of all kinds of paper and board, independently on sample basis weight or paper grade. This gives us the possibility to measure, compare and judge papers made of different raw materials, different color, or even to measure heavily calendered, coated or printed papers. Scientific research of paper physics has shown that the orientation of the top layer (paper surface) fibers of the sheet paly the key role in paper curling and cockling , causing the typical practical problems (paper jam) with modern fax and copy machines, electronic printing , etc. On the other hand, the fiber orientation at the surface and middle layer of the sheet controls the bending stiffness of paperboard . Therefore, a reliable measurement of paper surface fiber orientation gives us a magnificent tool to investigate and predict paper curling and coclking tendency, and provides the necessary information to finetune, the manufacturing process for optimum quality. many papers, especially heavily calendered and coated grades, do resist liquid and gas penetration very much, bing beyond the measurement range of the traditional instruments or resulting invonveniently long measuring time per sample . The increased surface hardness and use of filler minerals and mechanical pulp make a reliable, nonleaking sample contact to the measurement head a challenge of its own. Paper surface coating causes, as expected, a layer which has completely different permeability characteristics compared to the other layer of the sheet. The latest developments in sensor technologies have made it possible to reliably measure gas flow in well controlled conditions, allowing us to investigate the gas penetration of open structures, such as cigarette paper, tissue or sack paper, and in the low permeability range analyze even fully greaseproof papers, silicon papers, heavily coated papers and boards or even detect defects in barrier coatings ! Even nitrogen or helium may be used as the gas, giving us completely new possibilities to rank the products or to find correlation to critical process or converting parameters. All the modern paper machines include many on-line measuring instruments which are used to give the necessary information for automatic process control systems. hence, the reliability of this information obtained from different sensors is vital for good optimizing and process stability. If any of these on-line sensors do not operate perfectly ass planned (having even small measurement error or malfunction ), the process control will set the machine to operate away from the optimum , resulting loss of profit or eventual problems in quality or runnability. To assure optimum operation of the paper machines, a novel quality assurance policy for the on-line measurements has been developed, including control procedures utilizing traceable, accredited standards for the best reliability and performance.

• 한국언론정보학보
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• 제45권
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• pp.187-219
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• 2009

미디어를 통해 정책의제 설정과 정책홍보가 늘어나면서, 정치인과 정당은 미디어의 표현기법과 뉴스 생산조건에 맞춰 나가야 하는 압박을 받고 있다. 미디어의 생산조건에 맞추는 정치로 정치인들은 정책 설명을 통해 국민을 이해시키려 하기보다는 미디어를 통해 자신의 이미지를 알리기 위한 연출기법을 배우는 데 더 의존하게 된다. 정치인들의 연출기법 차용은 효과적인 정책홍보라는 원칙에 위반되지는 않지만, 정치가 미디어의 생산조건에 맞춰나가면서 점점 더 정책의제 설명보다는 이미지 연출에 의존하는 현상이 두드러지고 있다. 폴리테인먼트를 통한 정치연출은 유권자들에게 정치인 개인에 대한 평가는 물론, 정당의 정책수행 능력평가와 대의 민주주의의 정당성 확보에 이르기까지 광범위하게 영향을 미치고 있다. 또한 미디어 생산시간에 맞춘 폴리테인먼트의 강화는 숙의 민주주의의 합리적인 발전을 어렵게 만들며, 연출을 통한 가상정치의 확산이라는 불합리한 현상까지 발생시키고 있다. 이 연구에서는 미디어 생산시간이 정치과정에 미치는 영향을 알아보기 위해 지금까지 두 차례에 걸쳐 실시된 독일총선에서의 TV토론을 사례로 분석했다. 그 결과 미디어의 연출적 요소가 미디어를 통한 정치적 토론은 물론, 정치 커뮤니케이션 전 과정에 걸쳐 영향력을 행사하고 있음을 알 수 있었다.

• 보건교육건강증진학회지
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• 제3권1호
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• pp.43-55
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• 1985

The recent problems of adolescents are leading us to amphasize school mental health program. Therefore, for the first step of that program, this study was attempted to find out the students' daily life stress, their adaptation beharior to resolve that stress, and their self-concept which has an effect on that beharior, to analyze the relationship among those three variables, and to provide basic data which help maintain and promote students' adaptability and mental health. The subjects were 4 classes each grade, 743 students who were chosen as a sample subject among the total of 3,250 students of a junior girls' school in Seoul by stratified sampling method. The Oquestionnair surrey was done from April 1, 1985 to April 6, 1985. The instruments were (1) a part of Junghoon chois' perceptual Orientation Scale for measuring self-perception of students, (2) Rosenberg's Questionnair for measuring students' evaluation of self-esteem, (3) modified Bell's Adoptive Behavior Questionnair, and (4) the Measuring scale for stress developed by the investigator. The collected data were analyzed by using descriptive statistics, x²-test, t-test, ANOVA, and Pearsons' Correlation. The results are summarized as follows: 1. The range of mean score of self-concept, stress, and adaptation beharior is 1-5 respectively. The mean score of self concept was 3.45. The mean score of stress was 2.53, and the degree of stress was in order of the problem of study and grade marks, girl friend, appearance, and relaxation. The subjects preferred effective long-term adaptation method (Mean=2.81) to ineffective short-term adaptation method. (Mean=2.47) 2. The self-concept had the highest degree when students were 1st grade, in good health condition, taking high grade marks, both parents existing, fathers' educational level being above college, and being in high economic status. The degree of stress was significantly high when students were 3rd grade, in poor health condition, having low grade marks, being in poor economic status, and fathers' educational level being under elimentary school. In relation with adaptation method, 1st grade students used more sbort-term and long-term method, and when students had high grade marks, being in high economic status. they used more long-term adaptation behavior. 3. Two Hypotheses of this research were tested: Hypothesis 1. "The higher the students' self-concept is, the more they use long-term adaptation method." was accepted. (r=.2482, p<.01) (t=-4.99, p<.001) Hypothesis 2. "The higher the students' stress is, the more they use short-term adaptation method." was accepted. (r=.2897, p<.01) (t= -7.51, p<.001) In conclusion, a person in charge of school health can help students to adapt effectively by planning and implementing methods which highten their self-concept and lower their stress. But because the correlation among self-concept, stress and adaptation behavior was at a low level, I think that the study, which confirm the relationship of those three variables, is needed.

• 문화기술의 융합
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• 제6권2호
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• pp.409-417
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• 2020

자신의 삶을 훌륭하게 구연하는 구술연행은 그것만으로도 하나의 훌륭한 언어예술이다. 시집살이담은 여성 생애담 중 결혼을 매개로 가족관계나 사회·문화적 문제로부터 벌어지는 일련의 일들을 구술한 서사체이다. 그러므로 시집살이담은 여성 생애담의 하위 장르이다. 시집살이담은 크게 두 가지 측면에서 살필 수 있다. 첫째는 며느리와 가족 구성원 사이의 관계로부터 비롯되는 '가족관계 층위'이다. 여기서 가장 일반적인 것은 물론 시어머니 시집살이이며, 그 밖에 시아버지 시집살이, 남편 시집살이, 자식 시집살이를 들 수 있다. 둘째는 인간관계에서 비롯된 것이 아닌 며느리로서 갈등을 겪게 되는 제반 사항들에 관련된 이야기들로 '사회·문화 층위'이다. 가장 일반적인 것은 가난과 역사적 사건에서 비롯된 시집살이이며, 며느리의 가문이나 용모, 태도 등 때문에 심한 시집살이를 한 경우도 있다. 실제의 시집살이는 이 두 가지 양상이 뚜렷하게 구별되기보다는 서로 혼합되어 나타난다. 가족관계에서 비롯된 시집살이는 항상 가난이나 사건과 관련될 수 있으며, 반대로 가난이나 사건은 가족관계로 확대되어 여성들을 괴롭혔던 것이다. 본 연구는 다양한 시집살이담에 나타난 관계와 고난의 양상을 종합적으로 검토하고자 하였다.