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박종대,김기홍,정환종,이상현 한국인터넷방송통신학회 2023 International Journal of Internet, Broadcasting an Vol.15 No.4
This study was to find out the differences in self-esteem, body composition, and muscle strength of middle-aged women, and nine physical labor groups were selected as beautification workers at D University in Cheonan, and a total of 17 were selected as non-physical labor groups were 8 full-time housewives living in Cheonan. After selecting the subjects, the subjects arrived 30 minutes before the start of the experiment and completed the self-esteem questionnaire. After taking the stability, the measurement was carried out in the order of body composition, grip strength, and isokinetic muscle function, and the independent sample t-test was conducted. First, middle-aged women's self-esteem according to the type of physical labor was high in the physical labor group in relation to others among the sub-factors. Second, there was no significant difference in body composition according to the physical labor patterns of middle-aged women. Third, there was no significant difference in lower limb isokinetic muscular strength according to the types of physical labor of middle-aged women. Third, there was no significant difference in lower limb isokinetic muscular strength according to the types of physical labor of middle-aged women. The self-esteem according to physical labor is caused by the sense of belonging in the workplace, and the difference between body composition and muscular strength is insignificant. Therefore, it is necessary to introduce a physical activity program to promote self-esteem due to aging and prevent physical deterioration regardless of occupation.
칼투라 비디오 서버를 활용한 비디오 사이트 개발 및 웹앱 개발
박종대 배재대학교 자연과학연구소 2013 自然科學論文集 Vol.24 No.1
We have developed a video site and mobile web app using Kaltura video server. The mobile web app was packaged to a hybrid app using Phonegap. Users can upload videos via desktop computers or mobile devices and search videos as can be done in Youtube site. The developed site can be used as a video repository or a video community site and the web-app can be used for uploading videos from mobile devices.
朴鍾大 群山大學校 1984 論文集 Vol.7 No.-
Dutch painter who gained international recognition as a leader of the geometrical Abstract style. He was born at Amersfoort and studied at the Amsterdam Academy. His early painting was naturalistic and direct, often delicate in colour though greys and dark greens predominated. Between 1907 and 1910, partly under the influence of Toorop and perhaps partly owing to his conversion to theosophy, his painting took on a Symbolist character and he began to work with primary colours. In 1911 he went to Paris, where he came into contact with Cubism and executed the now famous series of successive abstractions on a single theme Trees. He was caught in Holland by the outbreak of the First World War and continued there his study of abstraction, developing theories about the horizontal-vertical axes. With Theo van Doesburg he founded the periodical De Stijl in 1917 and became the main exponent of a new kind of abstract painting which he named N대-Plasticism. His pictures were designed by horizontal and vertical lines marking rectangles of primary colours with black, white, and grey. In 1920 he published an exposition Le Neoplasticisme, a German translation of which was published by the Bauhaus in 1925. In 1939 Mondrian left Paris for London and from 1940 to his death lived in New York. There he did a gayer and more lively set of abstracts of which Broadway Boogie-woogie and the unfinished Victory Boogie-woogie are the best known. Mondrian's concept of 'pure plasticity' consisted partly in the simplification of the means of expression to the bare essentials. He not only banished representation and three-dimensional picture-space but also the curved line, sensuous qualities of texture and surface, and the sensuous appeal of colour. The basic elements were straight lines meeting at right angles and a limited number of primary colours. This restrictedness he regarded as a sort of mystical pursuit of a Absolute which he justified in terms of his theosophical beliefs. His extensive influence on the art and taste of the 1930s onwards was not limited to artists such as Ben Nicholson, Max Bill and others whose style had direct affinities with his own. He also had a profound influence on contemporary fashion in commerical and advertisement design.
박종대 서강대학교 철학연구소 1994 철학논집 Vol.7 No.-
맑스의 사상을 둘러싸고 찬반의 논쟁이 오늘날까지 계속되고 있는 것은 널리 알려진 사실이고, 이는 그의 사상의 영향력이 적지 않다는 것을 입증하는 것이다. 다른 사상처럼 맑스의 사상도 독자적으로 형성된 것은 아니다. 때문에 그의 사상을 폭넓고 깊이 있게 이해하기 위해서 여러 학문분야의 연구를 통해야만 할 것이고, 이러한 이해는 필자의 간략한 논문으로써 성취뒬 수 없다. 맑스는 프랑스 혁명과 산업혁명으로 야기된 경제, 사회, 정치 영역을 비롯한 정신사적인 변혁기에 살면서 당시 상황을 누구보다도 예리하게 꿰뚫어 보았다. 그의 이론적 탐구와 실천의 목적은 구조적으로 왜곡되어 있던 사회 경제질서를 변혁하여 소의당하는 인간들을 해방하는 데 있었다. 그래서 그의 사상은 인간 해방의 사상이라고 불려질 수 있다.
열확산 효과 개선을 위한 트렌치 구조의 SOI 1×2 열광학 스위치 개발
박종대,서동수,이기수 한국전기전자재료학회 2003 전기전자재료학회논문지 Vol.16 No.12S
In order to reduce driving power consumption, we propose and fabricate a new structure of asymmetric SOI 1×2 thermo-optic switch that has a back side silicon trenched structure. Compared to conventional SOI thermo optic switches without heat sink structure, it shows an improvement of switching power reduction from about 4 watt to 1.8 watt without sacrificing cross talk of about 20 dB at the light wavelength of 1.55 ㎛. Here we also described the main design consideration and fabrication procedure for the proposed device.
박종대,남상식,박권철 대한전자공학회 2003 전자공학회지 Vol.30 No.3
The advantages of using analogue optical networks for delivering radio signals from a central location to many remote antenna sites have been recognized. In a telecommnications context, radio signals may be for fixed radio access, cordless or mobile networks, but the same principles apply. By making use of the high bandwidth, low loss characteristics of optical fiber, all high frequency and signal processing functions can be performed centrally and signals can then be transported over the optical network directly at the carrier frequency. The remote sites then become very simple, requiring only optoelectronic conversion, filtering and linear amplification. This shifting of the complex functionality away from the remote site allow cheap, reliable, small and light-weight radio access points with low power consumption to be deployed. In this paper, we show that an electroabsorption modulation(EAM) may be used as a single component in such a radio access point, as a passive transceiver for small-sized cell(picocells).