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성명제, 한찬훈 충북대학교 건설기술연구소 2008 충북대학교 건설기술연구소 논문집 Vol.27 No.1
The present study aims to investigate the styles of traditional classrooms and to discover the acoustic characteristics of the classroom. Acoustic experiments were undertaken at the Myoung Ryun Dang at the Cheongju Hyang-gyo which have typical style of the traditional classroom of Korea. The background noise level is about 37.3dB that is unsuitable for educational spaces. It is because lots of noise is coming from the outside. Several acoustic parameters were measured at 12 points including sound pressure level (SPL), reverberation time(RT), definition(D50) and speech intelligibility(RASTⅠ). It was found that SPL is reducing rapidly in proportion with the distance away from the sound source. The average value of RT is 0.75 second when classroom was empty which means the appropriate condition for speech. The average D50 value is a 0.60 that is regarded as suitable condition. The average RASTⅠ is 0.66 which is a value of satisfactory level. The result shows that Myoung Ryun Dang has good acoustic conditions with short reverberation time and high clarity in spite of the noises.
成洛元,安贊祐,金賢洙 東亞大學校 大學院 1984 大學院論文集 Vol.8 No.2
This searched for conditions of the optimum absorber to eliminate the chatter vibration by the computer and its effects were confirmed experimentally. The results are as follows. 1. The amplitude ratio of workpiece according to mass ratio was obtained in the optimum absorber by computer. 2. The forced frequency ratio at maximum amplitude ratio according to mass ratio was obtained in the optimum absorber by computer. 3. By direct contact between workpiece and absorber the effects on the elimination of chatter vibration were confirmed.
QRans Order : QR 코드를 이용한 다국어 간편 주문 시스템
권찬미, 이동주, 엄성용 서울여자대학교 컴퓨터과학연구소 2017 정보기술논문지 Vol.15 No.-
In this paper, we propose an automatic order system for restaurant customers, which utilizes QR code and provides multilingual menu and currency conversion. The system consists of 2 main parts : application for customers, web and application for restaurant managers/owners. The main functions of the system are described with captured screens in this paper. Customers use the smart phone application and QR code tag attached each table to make orders. The multilingual menu and various currency feature help the foreign customers to make orders easily. The orders made by customers are automatically displayed in the smart phone or tablet installed in the cashier count and kitchen. The orders can be managed using web based system. 본 논문에서는 최근 빠르게 도입되는 무인 주문 서비스를 적용하여 다양한 식당과 국내외 소비자를 대상으로 개발된 QR 코드를 이용한 <다국어 간편 주문 시스템>에 대해 설명한다. 개발된 시스템 ‘QRans Order’는 식당 고객용 스마트폰 어플리케이션과 식당 운영자용 관리자 웹 및 스마트폰 어플리케이션으로 구성되어 있다. 본 논문에서는 개발된 시스템의 주요 기능을 화면 구성과 함께 설명한다. 시스템 구현 결과, 식당 고객용 스마트폰 어플 리케이션은 테이블마다 마련된 QR 코드를 이용하기 때문에 직원을 부르지 않더라도 앉은 자리에서 간편하게 음식을 주문할 수 있다. 또한, 다국어 기능을 통해 외국인 고객들도 간편하게 메뉴를 보며 주문할 수 있으며 선택한 언어에 따라 환산된 가격 정보도 알 수 있다. 식당 운영자용 관리자 웹 및 어플리케이션에서는 주문이 들어올 때마다 즉각적으로 주문 내역을 확인할 수 있으며, 식당 정보 및 메뉴 관리, 매출 관리 등의 업무를 체계적으로 관리할 수 있다.
김승곤,정찬식 濟州大學敎 體育科學硏究所 1998 체육과학연구 Vol.4 No.-
The purpose of this study is to present the desirable ways of elite sport through the research of the consciousness of elite sport in Cheju-do To achieve the above.539 Cheju people were asked 56 questions about elite sport through questionnaires. And in this paper. T- test. ANOVA and x2(chi-squares) test methods through the use SAS were used to statistical significance. The concrete problem drawn from such an analysis are summarized as follows: 1. It is certain that most of the Cheju people trend to have a negative reply in the role of elite sport about promotions of sports itself or social relation. Most Cheju islanders think that elite sports seldom influence the social union, and the sound atmosphere of our nation. Therefore, to solve this problem, elite sport must be connected with the School sports and sport for all. 2. Cheju islanders consciousness about influence of sports activity is changing toward affirmative attitude after eighty-decade years. This result seems to be desirable to develop elite sport. 3. In a question of a sports administrative organization for athletes. most of cheju islanders trend to have a negative attitude about the chief of government or businessmen centered sports administrative activities. only physical directors sympathize with the leading role of an athletic organization. And both of them have no interest in relation to between the system of an local sport council and financial support from an local self-governing. 4. From the viewpoint of caring for student athletes. they dont think about many schools make an effort to cut down on a loss of student athletes schoolwork. and they also take preferential treatments and a scholarship for entering upon schooling as a matter of course. Especially they have a high opinion of school costs and offering lodging and boarding in the benefits of student athletes schoolwork. 5. Cheju islanders have not answer affirmative answer toward the local representative athletes or teams, but they agree to the necessity of the exchange between the elites from the different area and camp training. And they also know that the system of prize for elite athletes should be improved. 6. It is shown that an event or all-round games contribute to the activation of local athletics. and rearing for elite athletes. either. In relation to the managing a tournament, they note that the point to be considered are general indifference, an excessive competition. government-centered management, an excessive expenses in finance. the time fixed for an athletic meeting, managing an event. manpower mobilization, and a very extensive scale. 7. As regards the influence of community development through inducing or joining a nation athletic meet, they emphasize the progress of the athletes ability. After all. our cheju islanders think that the cooperation of mass communication must be needed to develop elite sports. And they question the problem of connection between the scientific program for elite sport and sports for all. Lastly they call for the conversion of understanding elite sport, the local dispersion of central sports event, and the reorganization of the sport government setups for elite.
장성규,전언찬,박흥식 동아대학교 공과대학 부설 한국자원개발연구소 1995 硏究報告 Vol.19 No.2
In order to improve productivity, we have developed dedicated multi-product and wide variety of products lines suitable for respective automobile models. However, because of a sagging market, in recent years, the productivity of dedicated manufacturing lines has declined remarkably. We have developed a high speed and high-effciency flexible manufacturing line to maintain high productivity in spite of production volume fluctuations and frequent engineering changes. This development has been applied to an assembly line of the caliper.