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검색결과 38건 처리시간 0.018초

구강 수술에 사용가능한 LED 헤드라이트의 안전성 및 실용성 (LED Headlight, Safety and Application in Oral Surgery)

  • 유영삼;허건
    • 대한두경부종양학회지
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    • 제26권2호
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    • pp.187-192
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    • 2010
  • Background and Objectives : LED(Light emitting diode) is recently introduced as a energy-saving light source in many area including agriculture and environment. In medical field it is known as bright and safe light source in surgical lighting including headlight. This study is aimed to test effectiveness and cost-saving of mountain-climbing headlight in comparison with xenon headlight. Materials and Methods : Internet market-available mountain-climbing headlight was compared with medical xenon headlight regarding heat generation after 30 minutes' usage, intensity of illumination and possible burn to the perioral skin. To get temperature data, 5 cases of tonsillectomy were done with the aid of LED headlight, while another 5 tonsillectomies were done using xenon headlight. Results : The temperatures of all light sources were below 45 degrees Celcius until finish of the surgery without burn or complications. No differences in operation time with both headlights. The maximal intensities of illumination were 24000 Lux for xenon, 20000 Lux for LED. Conclusion : Mountain-climbing headlight could be safe and helpful light source with low cost in simple oral surgery.

국내 캐포츠 스타일 전개 현황 및 디자인 분석 (제1보) (A Study on the Design and Current Status of the Domestic Caports Style (Part 1))

  • 박낭희;최윤미
    • 한국의류학회지
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    • 제29권9_10호
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    • pp.1253-1264
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    • 2005
  • The background, concept, and design characteristics of the Caports style, which comes into new domestic fashion trend of sportism, are discussed in this article. Analysis are performed with utilizing pictures, advertizements of fashion magazine such as Vogue Korea, Fashionbiz, Ceci, etc., and photographs from internet sites, domestic papers since 2002. The result of this study is as followings: New life style, arose from the change of social and cultural environment, such as increase in leisure time, fusion and well-being trend, begins to be reflected in caports style in the form of stress on utility and functionality. The caports style is a fusion style based on sports wear with character and fashion. And, it can be adapted as a sports wear and daytime wear. With respect to the form, it emphasizes healthy body line, and as for the material, it strikingly utilizes various and functional materials. It also shows active and cheerful image using bright color, and utilizes functional and decorative details such as line-tape, zipper, hood. The most important characteristic of the caports style is to present a new liberal style by mix & match, layering, and exposing

보현산천문대 단주기변광성 탐사(SPVS)연구 (SHORT-PERIOD VARIABILITY SURVEY (SPVS) IN BOAO)

  • 전영범;김승리;박윤호;박병곤;이충욱;이은정;김민수;이경훈
    • 천문학논총
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    • 제20권1호
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    • pp.21-27
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    • 2005
  • We have been performing a wide-field photometric monitoring program, named SPVS (Short-Period Variability Survey), at the Bohyunsan Optical Astronomy Observatory (BOAO). The observation system consists of a small refracting telescope (D = 155 mm, f = 1050 mm) and a $2k{\times}3k$ CCD Camera. The field of view is $1.0^{\circ}{\times}1.5^{\circ}$. Detection limit is about V = 13 for short-period small amplitude variables such as ${\delta}$ Scuti-type pulsating stars, and about V = 15 for long-period large amplitude variables such as eclipsing binaries and RR Lyrae stars. The instrument is designed to be remote-controlled through internet. The primary purpose of this project is to search for variable objects in bright Galactic open clusters. We present results of test observations conducted towards NGC 7092.

자바 프로그래밍 교육에서 웹 기반 강의와 면대면 강의의 학습 효과 비교 분석 연구 (A Study on the Comparison and Analysis of Learning Effects of Web-based and Traditional Lecture in Java Programming Education)

  • 이충기
    • 공학교육연구
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    • 제4권2호
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    • pp.3-10
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    • 2001
  • 최근에 인터넷과 웹의 이용이 보편화됨에 따라 이를 교육에도 활용하고자 하는 많은 노력이 이루어지고 있다. 웹을 이용한 웹 기반 강의의 장점은 언제 어디서나 저렴한 비용으로 교육받을 수 있다는 것이다. 따라서 웹 기반 강의의 전망은 매우 밝고 잠재 고객들도 매우 많다고 볼 수 있다. 웹 기반의 자바 프로그래밍 교육 수요도 늘어나고 있다. 본 논문은 자바 프로그래밍 과목을 웹 기반 강의와 면 대 면 강의로 운영한 후 학습 효과를 통계적 추론을 사용하여 비교 분석한다. 이러한 분석 결과를 통하여 웹 기반 강의가 면 대 면 강의에 비해 효과적이지 못하다고 결론짓는다. 또한 자바 프로그래밍 교육에서 웹 기반 강의의 취약점을 파악하고 웹 기반 강의를 질적으로 개선하기 위한 방안을 제안한다.

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The effect of Organizational Culture on Organizational Justice and Job Performance

  • Moon Jun Kim;Lee Soowook
    • International journal of advanced smart convergence
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    • 제13권2호
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    • pp.154-165
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    • 2024
  • The purpose of this study is to investigate the relationship between organizational culture (innovation culture, relationship culture, hierarchy culture, task culture) as perceived by organizational members and its impact on organizational justice and job performance. This contributes to providing additional data for the revitalization and development of the organizational system for efficient management and operation measures included in the organization's sustainable management. To this end, the hypothesis established through the traditional process of quantitative research was tested as follows. First, organizational culture showed a positive effect on organizational justice. Second, organizational culture had a positive (+) effect on job performance. Third, organizational justice was significantly analyzed in terms of job performance. In other words, the importance of systematic re-establishment and continuous implementation of organizational culture (innovation culture, relationship culture, hierarchy culture, task culture) and organizational justice consistent with organizational characteristics was emphasized in order to improve job performance, which is the result of organizational competitiveness. In addition, it is the aspect of drawing practical implications for strategic human resource management and human resource development to systematically improve it.

EEG 신호 및 사물인터넷 기반 실내 환경 제어 시스템 (Indoor Environment Control System based EEG Signal and Internet of Things)

  • 정해성;이상민;권장우
    • 재활복지공학회논문지
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    • 제11권1호
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    • pp.45-52
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    • 2017
  • EEG 신호는 신체적으로 불편함을 가지고 있는 사용자에게서도 동일하게 발생되는 신호로써 차세대 인터페이스로 각광받고 있다. 본 논문에서는 사용자의 EEG 신호를 이용하여 감성적인 정보처리와 논리적인 정보처리를 보조하는 실내 환경을 제어하는 사물인터넷 시스템을 제안한다. 제안된 시스템은 EEG 측정 장치, EEG 시뮬레이션 소프트웨어, 실내 환경 제어 장치로 구성된다. 실험 데이터로는 편안한 상태에서 발생되는 감성적인 정보처리에 대한 EEG 신호 데이터와 집중 시에 발생되는 논리적인 정보처리에 대한 EEG 신호 데이터를 사용한다. 측정된 신호에서는 ICA 알고리즘이 적용하여 잡음이 제거되고 베타파만을 추출한다. 이후 SVM을 통한 학습 및 테스트 과정을 거치게 된다. 피험자는 EEG 시뮬레이션 소프트웨어를 통해 EEG 신호 정확도 향상 훈련을 거친 결과 평균 82.69%의 정확도를 보였다. EEG 측정 장치로부터 입력되는 EEG 신호는 Serial 통신을 통해 EEG 시뮬레이션 소프트웨어로 전송되며 감성적인 정보처리와 논리적인 정보처리를 분류하여 제어 명령이 생성된다. 이후 생성된 제어 명령은 Zigbee 통신을 통해 실내 환경 제어 장치로 전달되어 감성적인 정보처리일 경우 은은한 조명과 클래식 음악이 출력되고 논리적인 정보처리일 경우 밝은 조명과 함께 학습용 백색소음이 출력된다. 제안한 시스템은 BCI 기반 소프트웨어 및 디바이스 제어에 응용될 수 있어 몸이 불편한 사용자가 자신의 신체적인 한계를 극복하는 것을 가능하게 한다.

현대 패션에 나타난 라틴 아메리칸 스타일 (A Study on Latin American Style Expressed in Modern Fashion)

  • 함연자
    • 한국의류산업학회지
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    • 제14권5호
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    • pp.749-757
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    • 2012
  • The purpose of this study is to consider the characteristics of Latin American style expressed in modern fashion. Latin American fashion has been overlooked the influences, scope and diversity of dress within this world culture region. So, this study aim to unravel the history and significance of Latin American fashion. As for the research methodology, to classify types of the Latin American fashion style theoretical study and content analysis for Vogue magazine has been undertaken. In this study, the term of Latin American fashion style refers to the dress of common characteristics involving Latin American culture. To inquire into the characteristics of the types, various cases has been searched through books, internet, and designer's collections. The results of this study can be summarized as followings. The major types of Latin American fashion style are Indio-ethnic style, tropical-exotic style, and latin-romantic style. First, Indio-ethnic style has been involving traditional costumes and patterns which are originated in ancient Mexico and Peru. Second, tropical-exotic style has been involving bright color, tropical fruit and African flower pattern, various textures, and relaxed silhouette which are inspired by free and easy culture in Brazil and the Caribbean. Third, latin-romantic style has been involving the mix of Latin American tradition and romantic detail such as see-through material, lace, ruffle, spanish flower motif. In conclusion, Latin American style on contemporary fashion is based on interest to cannibalize folk theme, technique, icons and exotic others.

구체 관절 인형의 상징성과 인형 패션 디자인에 관한 연구 (A Study on Ball Joint Doll's Symbolism and Clothing Design)

  • 손이정;이언영;이인성
    • 복식
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    • 제56권7호
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    • pp.42-53
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    • 2006
  • The purpose of this research is to study doll's symbolism representing our social culture and the characteristics of clothing design. The ball joint doll was selected, that are pretty much resembled to human body in terms of facial expression, body proportion, joint movement, etc. Results of research are summarized as follows: the ball joint doll is indicated a doll whose joints are free to move with a round shaped joint, which originated by Yochilya simon, who adopted German Hans Bellmer's method.'rho ball joint doll, first, there appeared state of human isolation due to the material civilization and industrial revolution, and trend of adhering to one's own world made human possess dolls. Second, according to the doll play became a representing play culture among Kidult culture, dolls, that are resembled with human being, were recognized as personalized objects. Third, along of expanding digital culture that makes easy to exchange information via Internet, so, ball joint doll market is growing fast, for which various levels of mania are being formed. Take a look at the doll fashion in modern society. In accordance to form of Look, it is largely categorized Young Casual look, Office look, Ethnic look and Military look. When take a look at design specialty, young casual look was presented as a comfortable silhouette and also made of elastic materials and expressed vivid bright tones. Office look image was expressed as a suit of jacket with skirt, and cotton wool polyester materials and acro-matic colors. Ethnic look was represented by Japanese traditional dress and Chinese traditional clothing. The Military look was generally emphasized army uniforms of straight silhouette and shoulder straps.

시각적 촉감을 활용한 디자인의 특성 연구 - 헤어 디자인을 중심으로 - (A Study on the Characteristics of Design Utilizing a Visual Tactility -Focused on the Hair Design-)

  • 오강수;김경인
    • 패션비즈니스
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    • 제21권4호
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    • pp.127-143
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    • 2017
  • In this study, we examine a variety of influences in the field of design and analysis about the value of visual tactile design. In hair design, through study on visual tactility, creative design inspiration in the field of hair design enables development of quality research. Research methods use Internet publications such as local and foreign data, analysis, and related research and book forms, such as network searches. library goes for consideration by a literature search. Contents of this study used review of the case and by visual tactility design, for this study, expressive characteristics by color, texture and form of hair design, from 2014-2017 trend shown in the last three years the expressions of visual tactility being used through the analysis of design by date of the case. Result of this study is, visual tactile design appearing in the areas of hair design, that are not of the rules that are active, abstract form, texture, described as a visual feel the promotion of effective, and light and high brightness is sweet tactile impression, high saturation was cold, dark color was hard and heavy, red system is warm and the blue system is cold sense. In general, design trend in hair for three years from 2014-2017, visual tactility in 2014 is a high saturation and unstructured also soft and bright colors. 2015 is on the overall shape, color, texture, hybrid design configuration is more. As of 2016, 2017 is curved and straight texture, appearance of the hybrid mix to maximize the visual tactility.

글램과 펑크 메이크업의 비교 연구 - 1970년대를 중심으로 - (A Study on the Comparison of the Glam and Punk Make-up - Focused on the 1970s -)

  • 정현숙;정희영
    • 복식문화연구
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    • 제17권1호
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    • pp.76-89
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    • 2009
  • Popular music unites people who have different genders, ages, locals, and values. Through the popular music, youth interchange their emotion and create their fashion. Fashion and music formed the twin pillars on which the first historically significant youth sub-culture was built. Glam rock and Punk rock which won popularity in the 1970s influenced the fashion of the times. The purpose of this study is to compare Glam and Punk make-up which appeared as a symbol of the rebel against an older generation. The methodology utilized in this study was the analysis of materials from the survey through the literature, internet sites, and visual references. The results of this study are as follows: In face make-up, Glam used a white base to appear cosmic; on the other hand, Punk used a white base to appear pale and horrid. In eye make-up, Glam used black, pink, and blue eye shadow, and accented the eye by using black eye lines. Punk used black eye shadow, and drew black circles or squares around eyes. In lip make-up, Glam used pink, purple, red, and black lip color and silver and pink lip gloss to glitter. Punk used red and black lip color to appear horrid. In body make-up, Glam used glitter powder to appear with a bright skin. Punk drew tattoos and horror patterns in their body. The common themes of Glam and Punk make-up were rebellion, androgyny, and the beauty of ugliness as well as a self-created persona.

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