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혈우병 소견을 가진 뇌출혈 환자 치험(治驗) 1례(例)
정인태,서병관,이현종,하지영,강미경,홍장무,백용현,박동석,최도영,Jung, In-tae,Seo, Byung-kwan,Lee, Hyun-jong,Ha, Ji-young,Kang, Mi-kyeong,Hong, Jang-moo,Baek, Yong-hyeon,Park, Dong-suk,Choi, Do-young 대한침구의학회 2003 대한침구의학회지 Vol.20 No.4
Objective : Hemophilia, a genetically determined disorder, is characterized by abnormality of the coagulation mechanism due to functional deficiency of a specific factor, namely VIII or IX. In this study, the effect of Dong-Si acupuncture therapy on the cerebral hemorrhage patient with hemophilia was evaluated. Methods : We treated him with acupuncture by stimulating Dong-Si acupuncture point(Yuk Wan) and assessed the effect by using manual dynamic evaluation of MRC(Medical Research Council) and Modified Barthel Index. Results : After treatment, the bleeding tendency was grossly reduced and bleeding lesion was absorbed gradually. And manual dynamic evaluation of the upper extremity increased from 4 grade to 5 grade. Conclusions : This result suggest that Dong-Si acupuncture therapy on the cerebral hemorrhage patient with hemophilia was effective. And futher studies are required to concretely prove the effectiveness of Dong-Si acupuncture therapy for treating hemorrhagic diseases.
김주필(Joo Pil Kim),정혜리(Hye ri Jeong),김대희(Dae Hee Kim),박동우(Dong Woo Park),서재웅(Jae Woong Seo),이현우(Hyun woo Lee) 한국거미연구소 2017 한국거미 Vol.33 No.1
2016년 3월 31일부터 7월 31일까지 서울특별시 서초구 서초동에 위치한 서울고등학교 교정 일대를 서울고등학교 환경생물부 부원들이 채집 조사한 결과 20과 43속 53종의 거미가 조사 연구되어 이에 보고하는 바이다. From March 31st to July 31st in 2016, members of an environmental biology club at Seoul High School located in Seocho-gu, Seoul, Dae-Hee Kim, Dong-Woo Park, Jae-Woong Seo and Hyun-woo Lee, collected 20 families 43 genera 53 species of spiders and report the result of the study here.
지역 다지점 통신 서비스용 Ka-band MMIC 전력 증폭기 설계
서동현,김남영 광운대학교 신기술연구소 1998 신기술연구소논문집 Vol.27 No.-
지역 다지점 통신 중계기에 사용되는Ka-Band(26.7~27.5GHz)대역의 단일칩 초고주파 집적 회로 평형 전력 증폭기를 본 논문에서 설계하였다. 능동 소자로는 고속 전자 이동도 트랜지스터가 사용되었으며 on-wafer상에서 측정을 하기 위하여 설계한다. 칩 크기는 6.5×3.5mm^2로 예상되며, 입출력단의 반사손실을 감소시키기 위해 lange coupler를 사용하였다. 설계된 평형 전력 증폭기는 27.45dBm의 출력 전력과 20.45dB의 전력 이득, 그리고 24.05dB의 선형 이득을 나타내었으며. 입출력 반사 손실은 최대 -20.7dB와 -20.8dB의 특성을 보인다. A Monolithic Microwave Integrated Circuit(MMIC) Ka-band(26.7 ~27.5GHz) balanced power amplifier for LMCS was designed in this paper. Pseudomrphic High Electron Mobility Transistors (P-HEMTs) were used to design MMIC power amplifier for RF on-wafer measurement with a Ground-Signal-Ground(GSG) Pattern and its chip size is expected 6.53.5mm^2. The balanced power amplifier was designed to decrese the input and output return loss using lange coupler This designed balanced MMIC power amplifier resulted in 27.45dBm output power. 20.45dB power gain and 24.05dB linear gain. Input return loss(S_11) and output return(S_22) are maximum -20 7dB and -20.8dB.
전력용 반도체소자(IGBT)의 모델링에 의한 열적특성 시뮬레이션
서영수,백동현,조문택 (社)韓國火災 ·消防學會 1996 한국화재소방학회논문지 Vol.10 No.2
A recently developed electro-thermal simulation methodology is used to analyze the behavior of a PWM(Pulse-Width-Modulated) voltage source inverter which uses IGBT(Insulated Gate Bipolar Transistor) as the switching devices. In the elestro-thermal network simulation methdology, the simulator solves for the temperature distribution within the power semiconductor devices(IGBT electro-thermal model), control logic circuitry, the IGBT gate drivers, the thermal network component models for the power silicon chips, package, and heat sinks as well as the current and voltage within the electrical network. The thermal network describes the flow of heat form the chip surface through the package and heat sink and thus determines the evolution of the chip surface temperature used by the power semiconductor device models. The thermal component model for the device silicon chip, package, and heat sink are developed by discretizing the nonlinear heat diffusion equation and are represented in component from so that the thermal component models for various package and heat sink can be readily connected to on another to form the thermal network.
제통단이 퇴행성 슬관절염 환자의 삶의 질에 미치는 영향
서병관,류성룡,강중원,우현수,이상훈,이재동,최도영,김건식,이두익,이윤호 EAST-WEST MEDICAL RESEARCH INSTITUTE KYUNG HEE UNI 2005 東西醫學硏究所 論文集 Vol.2005 No.-
Objectives : to evaluate the effects of Jetongdan, the newly developed herbal medicine, on the quality of life in patients with osteoarthritis of knee Methods : Placebo-controlled, randomized clinical trial on the 80 patients with osteoarthritis of the knee was fulfilled. After enrollment, they took medication as they enrolled. And they were asked to answer the questionnaires (Korean Health Assessment Questionnaire (KHAQ), Lequesne's functional index (LF1), visual analogue scale (VAS)) and analysed with the erythrocyte sedimentation rate (ESR) at baseline, after 4 weeks and 8 weeks of medication. Results : Total KHAQ score, some categories of KHAQ like hygiene, activities were significantly improved after 8 weeks of medication. And the change of the KHAQ score was significantly correlated with the change of VAS. But LFI, VAS, ESR level was not significantly improved, and it was considered because of the short medication period and small size of study population. Conclusion : In conclusion, Jetongdan could improve the health-related quality of life in patients with osteoarthritis of knee. Further study in the large population, in long period were recommended.
서수덕,김동현,양두영 濟州大學校 産業技術硏究所 1997 산업기술연구소논문집 Vol.8 No.2
In this paper, we present a polarizer that consists of three step rotary detents which can selectively convert linear polarization into circular polarization and vice versa. For the design of the polarizer. the transmission line theory is applied to design the waveguide mode transducer for the modes to be smoothly converted between rectangular and circular waveguide. A dielectric plate is inserted i n circular waveguide for the conversion of a polarized wave with the angle of an inserted dielectric plate. Also. we simulated to obtain the optimum values of the transmission and the reflection coefficient characteristics at input and output port.
방사성 페기물 처리장의 지하수 온도 측정을 위한 광섬유 센서의 제작 및 특성 분석
서정기,유욱재,장경원,조동현,신상훈,이봉수 제주대학교 방사선응용과학연구소 2008 방사선응용과학연구소논문집 Vol.22 No.-
Fiber-optic temperature sensing technology can alternative to classical measurement techniques in nuclear environment, Its advantages allow low cost, a long distance measurement and real-time, In this study, we have measured the optical power of power meter and the output voltage of photodiode according to change temperature of water.
서영수,백동현 명지대학교 대학원 1997 대학원논문집 Vol.1 No.-
The proposed fuzzy logic controller is composed of three fuzzified parameters defined by the slip error gain, the ratio i_qs/i_ds the switching state vector and one crisp variable defined by the rotor flux angle. The slip error gain and the ratio i_(qs)/i_(ds) are evaluated by the dynamic model of the rotor flux field-oriented scheme and the inverter switching vector is selected by the current-flux vector diagram of conventional DSC(Direct Self Controller). The software realization of the fuzzy control algorithm is canned out by real-timeTMS320C31 DSP.