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고우석,김경수,고병희,이의주,Ko, Wo-Suk,Kim, Kyung-Soo,Ko, Byung-Hee,Lee, Eui-Ju 사상체질의학회 2006 사상체질의학회지 Vol.18 No.1
1. Objectives The purpose of this study is to find out the characteristics about the Sasang constitution of elementary school students based on the questions that have significant differences. 2. Methods 146 children who have visited Kang-Nam Kyung-Hee Oriental Hospital Sasang constitution center from Mar. 2003 to May. 2005, were investigated through the questionnaires. These have the categories of personality and emotional characteristics, personal relationship, playing and the way to handle things such as jobs or missions, behavioral characteristics, and etc., were analyzed statistically. 3. Results and Conclusions (1) In the category of the 'Personality and Emotional characteristics', significantly more Soeumin showed positive answers to the question, 'being easily nervous and get irritated' than the other groups, and significantly more Taeumin to the question, 'considerate and thoughtful' than Soyangin. (2) In the category of the 'Personal relationship', there were significantly more Soyangin who showed positive answer to the question 'making a friend easily' than the other groups. (3) In the category of the 'playing and the way to handle things', significantly more Soeumin showed positive answer to the question, 'love to do the exercise' than Soyangin, and significantly more Soeumin showed positive answer to the question, 'not careful and meticulous' than Soyangin, and significantly more Soeumin showed positive answer to the question, 'like to read books' than Taeumin. (4) In the category of the 'Behavioral characteristics', significantly more Soyangin showed positive answer to the question, 'unable to concentrate just one thing even for just a minute and keep on moving.' than the other groups, and significantly more Soyangin showed positive answer to the question, 'act or response quick.' than Taeumin, and significantly more Soyangin showed positive answer to the question, 'behave and go around restlessly and flighty' than Soeumin, and significantly more Taeumin showed the positive answer to the question, 'hate to move by oneself' than Soyangin.
인체 각질형성세포의 Interleukin-6 생산에 미치는 UVB, UVA 및 PUVA의 영향
고우석,김규한,정진호,윤상호,윤재일,은희철 大韓免疫學會 1996 大韓免疫學會誌 Vol.18 No.3
Huma Keratinocytes are capable of producing a wide variety of cytokines and growth factors that may act as mediator in an immune response and play an important role in proliferation and repair. Production of epidermal cytokines may be induced by bacterial products, by other proinflammatory cytokines, or by physical alteration including ultraviolet radiation. In the present study, we investigated the effect of UVA and PUVA on the production of IL-6 by cultured human keratinocyte. Human keratinocytes derived from normal foreskin were treated with various dose of UVB, UVA and PUVA. With the irradiated keratinocytes or culture supernatant we measured the expression of IL-6 mRNA and the production of IL-6. The result of - the present study was that the UVB increased the production of IL-6 but UVA and PUVA didn't increase the production of IL-6 by human keratinocyte.
ADSL G.LITE모뎀을 위한 주파수 영역 프로세서의 설계
고우석,기준석,고태호,윤대희 한국통신학회 2001 韓國通信學會論文誌 Vol.26 No.12
Among the operations in frequency domain for ADSL G.LITE Modem to perform, FFT and FEQ are most computation-intensive part, of which many researches have been focused on the efficient implementation. Previous papers suggested hardwares suitable for ADSL G.DMT system, which is not feasible for simple G.LITE system. The analysis of frequency domain operations and computational efficiency according to the allocation of hardware resources is performed in this paper. The suggested processor has the structure of one real multiplier and two real adders connected in parallel, which can perform the operations efficiently through the pipeline- and/or parallel-type job scheduling. The suggested processor uses less hardware resources than Kiss\`s ALU structure or FFT/IFFT processor suggested by Wang, so the suggested one is more suitable for G.LITE system than previous works. ADSL G.LITE 모뎀이 수행하는 주파수 영역의 연산과정에서 하향링크에 대한 FET 과정과 FEQ 과정은 가장 많은 연산량을 차지하는 부분이며, 이를 효율적으로 구현하기 위한 연구들이 수행되었다. 기존의 연구는 ADSL G.DMT 방식에 적합한 시스템으로서 G.LITE에 그대로 적용하기에는 부적합하다. 본 논문에서는 주파수 영역의 연산과정을 분석하고, 하드웨어 자원 할당에 따른 시스템의 효율성을 분석하여 G.LITE 방식에 적합한 프로세서의 구조를 제안하였다. 제안된 프로세서는 1개의 실수 곱셈기와 2개의 실수 덧셈기를 병렬로 연결한 구조를 가지며, 파이프라인 형태 및 병렬연산 형태의 작업 스케쥴링을 통해 효율적으로 연산을 수행할 수 있도록 설계되었다. 제안된 프로세서는 Kiss가 제안한 ALU 구조나 Wang이 제안한 FFT/IFFT 프로세서 구조에 비해 적은 하드웨어 자원을 이용하여 연산과정을 효율적으로 수행함으로서 G.LITE 시스템에 적합한 구조를 갖는다.