• 암석학회지
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• 제18권1호
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• pp.49-65
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• 2009

인류가 육안으로 화성 표면에 대한 연구를 시작한 이래 지금은 최신의 과학적 방법으로 화성에 대한 탐구를 계속하고 있다. 1960년 이후 구소련연방이 화성 코라블(Korable) 4호를 발사한 것을 시작으로 2008년 오늘에 이르기 까지 약 40여 차례의 화성탐사를 시도해 화성에 대한 인류의 궁금 중을 해결해 왔으며, 이제 화성에 인류가 도착하기 위한 곰에도 도전하고 있다. 이 논평은 현재까지의 이루어진 화성연구에 대한 주요 결과를 고찰한다.

• 가정과삶의질연구
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• 제22권5호
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• pp.29-45
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• 2004

This ethnographic case-study explores the interpretation and behavior in job considering among full-time housewives. The participants of this study are eleven middle class full-time housewives in their thirties and forties. In-depth interviews based on an unstructured Questionnaire were conducted for this study. Findings are as follows: Six full-time housewives tend to think their full-time housewife-lives more convenient, something unable to substitute and more profitable compared to the counter partner's lives. But they are classified into two groups according to the satisfaction for full-time housewife life. One group has found out more positive meaning in their life but the other group has not yet and they are doubtful about real life and other opportunity. In Contrast, other five full-time housewives tend to interpret employment as a more productive source to secure family resource for their children's education and repay the loan used to buy larger apartment. And the job is considered to confirm her own individuality and the feeling for the social entity as a competent social entity. But two of them who have never been employed do not try to get a job as a new identity alternative. And the various elements like household income, job experience, health, children's age and husband's attitude to his wife's employment etc. are defined to influence the interpretation and the job considering behavior among full-time housewives.

• International Journal of Fluid Machinery and Systems
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• 제9권1호
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• pp.17-27
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• 2016

Researches on the mechanism of surging and the surge behaviors in the systems of pumps, or fans or compressors, and the effects of flow-paths had been initiated and had made a great progress in Japan in the decades from the nineteen-forties to the nineteen-sixties. In 1947, the essential cause of the surges, i.e., self-excited oscillation nature of the flow-system, was discovered analytically by Professor Sumiji Fujii of Tokyo University, and most of the characteristic behaviors of the phenomena had been explained clearly. Successive studies by many other Japanese researchers continued to prove experimentally the mechanism, to extend the analytical studies, and to attempt preventing surge occurrence, etc. in the following two decades. The historical information on the early surge studies could be helpful to some concerned people. At the same time, the basic and plain ways of discussions and reasoning about the phenomena in the pioneering researches could give us much to be learned even in the present time of high-power computing systems. Regrettably, many of the original research works have been published only in Japanese. The present review introduces very briefly the situations in memories of the pioneering researchers and engineers.

• 대한가정학회지
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• 제39권5호
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• pp.27-38
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• 2001

This study analyses the relationships between the residents'personality and the residential types, and between the sense of crowding and the residential types. For this purpose, this study surveys two hundred ninety three residents in their thirties and forties, residing in Seoul. We find that there are differences in the personality traits and also differences in the sense of crowding according to residential types such as high-rise/low-rise apartments, high-class private residence, multi-family houses. And these differences are due to the differences of inner and outer residential environment satisfaction. The lower a resident's inner environment satisfaction is, the higher is his/her sense of crowding. And low environment satisfaction and high sense of crowding appears to account for one's depression and anxiety. Conversely, the higher environment satisfaction is and the lower the sense of crowding is, the higher is his/her responsibility. Finally, this study tries to examine how each personality trait changes according to the habitancy duration. We find that residents having a 3-5 year habitancy record are more anxious and depressed than those who have been living more than 7 years in the same residence.

• Restorative Dentistry and Endodontics
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• 제6권1호
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• pp.141-147
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• 1980

The sealing effect of a few cavity liners upon the dentinal tubule were studied in vitro. The materials employed in this study were Silcot (SP$\'{E}$CIALIT$\'{E}$S SEPTODONT, M.-T. GENDRAULT, Pharmacien), Hypo-Cal(Ellman Dental Mfg.Co.Inc.), Cavity Lining(De Trey), and Copaute(Harry J. Bosworth Co.). Freshly extracted human teeth were devided into 5 groups by age-under twenty, twenties, thirties, forties, and over fifty. Class V cavities were prepared routinely. The cavity walls of eight teeth of each group were lined by Silcot, Copalite, Cavity Lining, and Hypo-Cal. Remaining eight were not lined as a control. These specimens were immersed in dye solution (2 gm eosin Y to 800 cc distilled water) for 48 hours to allow maximum dye penetration into dentinal tubules. Each specimen was sectioned longitudinally including Class V cavity floor under water spray. Dye penetration into dentinal tubules were examined and following results were obtained. 1. Liners used on this study showed more or less dye penetration into dentinal tubules. But compared with the teeth without lining, the dye penetration of lined specimens were decreased. 2. Of these liners tested, Silcot was the most effective sealer upon the dentinal tubules. Copalite was the moderate sealer and Cavity Lining showed a tendency similar to Copalite. Hypo-Cal revealed the greatest dye penetration. 3. As the age was increased, the more the dye penetration into the dentinal tubules was decreased.

• 한국실내디자인학회논문집
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• 제17권4호
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• pp.75-83
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• 2008

This study examined the various functions of public libraries, as well as user satisfaction and needs. We targeted 6 public libraries in the Seoul and Gyunggi area. After 280 library users were surveyed, the collected data were analyzed with an SPSS for Win 14.0 statistics program, where we used frequency, percentage, mean, T-test, One-way ANOVA, and Duncan's test. The major findings were as follows: 1) Half of the users used educational functional space, mainly in the 10-20 age group, who used it for educational purposes as a student or to prepare for getting a job. 2) There were gaps between the furniture arrangement and user preference since most libraries used a rigid system while users preferred a more flexible arrangement. 3) Space by space, public library satisfaction levels differed according to the users' gender and age. Satisfaction of the digital information room scored high, especially for users in their forties. Since public library users are diverse and require various functions, library interiors should be planned accordingly in terms of furniture arrangement and interior design. In particular, there was a gap between satisfaction by age groups, so libraries must account for community needs by considering the age group demographics of their surrounding areas.

• 패션비즈니스
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• 제4권1호
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• pp.33-44
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• 2000

The purpose of this study is to research Miao ethnic costume which have been distinctly expressed differences according tribes and areas, present fashion design reflecting image of Miao ethnic costume. Two steps was taken in order to achive this purpose. The first step was to put in order formative characteristics of Miao ethnic costume being based on the Chinese books and domestic research materials. The second step was to study formative characteristics of Miao ethnic costume in comparison 2000A/W fashion trend, illustrate and schematize fashion designs. The results of formative characteristics of Miao ethnic costume are summarized as follows 1. X or H silhouette through skirt & jacket and pants & jacket. 2. Layered look that been twisted around several items. 3. Fine pleats skirts. 4. Refined and splendid color. Black was used main color, dark blue & red purple were used coordi color, vivid color were used accent color 5. Geometrical pattern, cross stitch embroidery. 6. Various ornaments being used silver. 7. Various hair styles and hairdressers. Using above characteristics, this study presneted fusion fashion design combined images of ethnic and techno with dark blue, mustard, blue purple. The target was Forties, professional woman.

• 대한한방부인과학회지
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• 제25권4호
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• pp.144-153
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• 2012

Objectives: This case is that of a woman in her late forties who was diagnosed as conversion disorder. She suffered the climacteric while being treated with conversion disorder and the respective symptoms got worse. We investigated whether Korean traditional treatment is effective in patient with conversion disorder and menopausal symptoms. Methods: The prescription of Banhabaekchulchunma-tang, Gamisoyo-san, Bunsimgieum, acupuncture therapy and moxibustion therapy were used for the treatment. Results: After treatment, the chief complaint and accompanying symptoms were reduced to 40% compared with first visit day. Conclusions: We may conclude that Korean traditional treatment is effective in patients with conversion disorder and menopausal symptoms.

• Nuclear Engineering and Technology
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• 제50권7호
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• pp.1006-1016
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• 2018

Since the early forties, researchers from around the world have been studying the phenomenon of deadtime in radiation detectors. Many have attempted to develop models to represent this phenomenon. Two highly idealized models; paralyzable and non-paralyzable are commonly used by most individuals involved in radiation measurements. Most put little thought about the operating conditions and applicability of these ideal models for their experimental conditions. So far, there is no general agreement on the applicability of any given model for a specific detector under specific operating conditions, let alone a universal model for all detectors and all operating conditions. Further the related problem of pile-up is often confused with the deadtime phenomenon. Much work, is needed to devise a generalized and practical solution to these related problems. Many methods have been developed to measure and compensate for the detector deadtime count loss, and many researchers have addressed deadtime and pulse pile-up. The goal of this article is to summarize the state of science of deadtime; measurement and compensation techniques as proposed by some of the most significant work on these topics and to review the deadtime correction models applicable to present day radiation detection systems.

• 한국의류학회지
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• 제32권4호
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• pp.630-640
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• 2008

The purpose of this study was to investigate and make comparison of clothing images presented in women's formal and casual brands. The data were collected from 39 formal brands out of 155 and 64 casual brands out of 256 in Korea Fashion Brand Annual in 2005/2006. 316 words selected were classified into five clothing images according to the definition of previous researches and analyzed according to age ranges and price zones of brands. The results were as follows: 1) Formal brands focused on thirties and forties in age ranges and better and prestige in price zones, while casual brands centered on twenties in age range and better and volume in price zones. 2) Luxury, modem and feminine were more frequent words than others both in formal and casual brands, but elegant was found most frequently in formal brands, while comfortable, chic and simple were found frequently in casual brands. 3) Clothing images were classified into four types and appeared in elegance, modernity, individuality, and activeness order in formal brands, while clothing images in casual brands were classified into five types including youthfulness and appeared in elegance, activeness, modernity, individuality, and youthfulness order. 4) Elegance was a highly presented as clothing image in all the age ranges except thirties of formal brands but modernity and activeness with elegance were presented in price zones of casual brands. This study found that there were differences in clothing images in women's formal and casual brands.