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CRST 증후군에 대한 Reserpine 의 동맥내 주사효과
박재우,신실,손숙자 대한피부과학회 1981 大韓皮膚科學會誌 Vol.19 No.6
The CRST syndrome, first reported by Winterbauer, represents a benign variant of scleroderma and consists of calcinosis(C), Raynauds phenomenon(R), sclerodactyly(S) and telangiectasia(T). The authors report a case of CRST syndrome confirmed by both clinical and histopathological findings. A 62-year-old female developed subcutaneous nodules on both elbow and knee joints, Raynauds phenomenon, sclerodactyly with acrosclerosis and scleroderrnatous changes on both hands and forearms and telangiectasia on the face, neck, and hands of 15 years duration, but she had no difficulty in swallowing. The authors treated a case of CRST syndrome with weekly intra-arterial administration of reserpine and were impressed not only by the marked loosening of the skin but also by the striking effect on the Raynauds phenornena; the latter disappeared within a few weeks of treatment.
박재우,김정훈,한진욱 통신위성ㆍ우주산업연구회 2011 한국위성정보통신학회논문지 Vol.6 No.2
세계2차대전을 통해 태양폭발은 레이더시스템에 큰 영향을 주는 것으로 밝혀졌다. 1942년 2월 28일의 전파교란 현상은 태양활동의 극대기에 증가한 우주 광선(cosmic ray)에 의한 것이었다. 이러한 사실들이 밝혀지면서 태양폭발 및 태양 입자 활동에 관한 연구가 활발히 이루어졌다. 태양폭발이 우주선에 미치는 영향, 극 운행 비행기에 미치는 영향, 레이더 시스템에 미치는 영향, 무선통신시스템에 미치는 영향 등에 대한 연구가 다양하게 이루어 지고 있다. 본 논문에서는 지난 40여년 간의 태양전파 관측자료를 분석하여 태양폭발에 의해 무선통신에 미치는 영향과 태양활동주기간의 상관관계를 분석하였다.
Statistical analysis for the solar eruption effect on wireless communication
박재우,김정훈,한진욱,Park, Jae-Woo,Kim, Jung-Hoon,Han, Jin-Wook Korea Society of Satellite Technology 2011 한국위성정보통신학회논문지 Vol.11 No.2
세계2차대전을 통해 태양폭발은 레이더시스템에 큰 영향을 주는 것으로 밝혀졌다. 1942년 2월 28일의 전파교란 현상은 태양활동의 극대기에 증가한 우주 광선(cosmic ray)에 의한 것이었다. 이러한 사실들이 밝혀지면서 태양폭발 및 태양 입자 활동에 관한 연구가 활발히 이루어졌다. 태양폭발이 우주선에 미치는 영향, 극 운행 비행기에 미치는 영향, 레이더 시스템에 미치는 영향, 무선통신시스템에 미치는 영향 등에 대한 연구가 다양하게 이루어 지고 있다. 본 논문에서는 지난 40여년 간의 태양전파 관측자료를 분석하여 태양폭발에 의해 무선통신에 미치는 영향과 태양활동주기간의 상관관계를 분석하였다. In World War II, the solar eruption (solar flare) was revealed to make a significant effect to radar systems. The radio disturbance in February 28, 1942 was due to increased cosmic ray during solar maximum. Since such phenomena had been disclosed, many studies were accomplished on solar flare and solar particle event. Now various researches about the effects of solar flare on the spacecrafts, the airplanes flying across the pole, the radar systems, and wireless communication systems are studied. In this paper we analyzed the relationship between the harmful effect on the wireless communication by the solar eruption and the period of solar activity from the sunspot number data and the solar radio burst data for last 40 years.
아라미드 FRP 판재(Aramid FRP plate)로 보강된 철골보의 부착보강에 따른 휨거동
박재우,최성모 한국복합신소재구조학회 2014 복합신소재구조학회 학술발표회 Vol.2014 No.04
The bond strength is not enough due to the delaminate of epoxy between FRP and steel. However, the adhesion reinforcement method can improve the bond strength between steel plate and FRP plate. In this study, a bolt tighting and FRP sheet wrapping methods were used to improve bond strength between steel plate and FRP plate. Also, flexural test were performed according to the attachment pattern for AFRP plate strengthened steel beams.
ACI 440코드를 응용한 CFRP 보강된 원형 CFT기둥의 압축설계내력식
박재우,방중석,나환선,양일승,최성모 한국복합신소재구조학회 2011 복합신소재구조학회 학술발표회 Vol.2011 No.04
The Axial compression tests were conducted on FRP strengthened circular CFT short clumns with the test parameters of D/t ratio and the number of FRP sheet ply. The ultimate strength design formula were proposed by applying ACI 440 code for FRP strengthened circular CFT columns.
박재우,Sukhi Chai,Ju Yul Lee,Keun-Ho Joe,Jo Eun Jung,김대진 대한신경정신의학회 2009 PSYCHIATRY INVESTIGATION Vol.6 No.4
Objective: The purpose of this study was to develop a scale to measure motivation for smoking cessation. Motivation is known to be important for success of smoking cessation. The reliability of the scale was assessed and its predictive validity for smoking cessation was evaluated. Methods: We recruited 333 men aged 20 to 70 that visited smoking cessation clinics at seven public health centers. The demographic characteristics were recorded and the Korean version of Stages of Readiness for Change and Eagerness for Treatment Scale for Smoking (K-SO-CRATES-S) performed. A smoking cessation motivation scale was developed with 10 questions based on the theory of motivation enhancement therapy. Results: The motivation scale was composed of four subscales based on the factor analysis; each subscale had an adequate degree of internal consistency. In addition, the newly developed scale had a high degree of validity based on its significant correlation with the smoking version of SOCRATES. Moreover, the precontemplation level of motivation was found to significantly predict the success of smoking cessation. And one of the subscales of the Korean Nicotine Dependence Syndrome Scale (K-NDSS), stereotypy which also significantly predicted the success of smoking cessation, significantly correlated with the preparation 1 and 2 level of motivation. Conclusion: The smoking cessation motivation scale with 10 questions that was developed in this study was a highly reliable and valid scale for the prediction of success for smoking cessation for those who wanted to stop smoking.