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C.V.D. 방법에 의한 Cd_0.78Zn_0.22 S박막 성장과 광전기적 특성연구
유상하,이상렬,홍광준,서상석,김혜숙,전승룡,윤은희,문종대 조선대학교 기초과학연구소 1993 自然科學硏究 Vol.16 No.1
We had grown Cd_0.78Zn_0.22S polycrystal thin films on slide substrate using chemical vapour deposition(CVD) method. We measured X-ray diffraction patterns in order to study Cd_0.78Zn_0.22S polycrystal structure. We studied its band gap using transmission curves and photocurrent and also analyzed photoluminescence using configurational coordinate model. We measured Hall effect·on this sample by Van der Pauw method and studied on carrier density and mobility depending on temperature.
오용석,이국현,정영균,김광우,김성덕 대한마취과학회 1987 Korean Journal of Anesthesiology Vol.20 No.6
For obtaining P_(50) in mongrel dogs at normal body temperature (37℃), pH(7.4) and PaCO_2 (40 mmHg), we performed arterial blood gas analysis in 14 mongrel dogs by using ABL 30 blood gas analyzer ( Radiometer, Copenhagen, Denmark) after inhalation of various concentration of oxygen. The oxyhemoglobin dissociation curve was made by plotting of arterial O2 saturation against each PaO_2, and P_(50) was obtained by using linear regression equation. The result shows that P_(50) in mongrel dogs is 28.5±0.8 mmHg (mean±SD).
차세대 WDM 광 인터넷 백본망에서 차등화된 광 QoS 서비스 제공 프레임워크 연구
김용성,류시국,이재동,김성운,Kim Yong-Seoug,Ryu Shi-Kook,Lee Jae-Dong,Kim Sung-Un 한국정보처리학회 2005 정보처리학회논문지 C : 정보통신,정보보안 Vol.12 No.6
Over for the past 10 years, the increase in geometric progression for the internet traffic, has allowed the IP protocol framework to be the most important network technology. In addition, the internet service is being developed as a service mode differentiated, aiming to support the new-mode real-time multimedia services such as internet phone, video conference, cyber reality, and internet game, focusing on offering a latest service. These days, aiming to solve the need for broad bandwidth along with guaranteeing QoS, the WDM technology of offering multiple gigabit wavelengths is emerging as the core technology of next-generation optical internet backbone network. In the next-generation optical internet backbone network based on WDM, the QoS framework is one of fore subjects aiming to offer a service of guaranteeing QoS This study analyzes the requirements of performance related to QoS framework in IP Subnet and in WDM optical backbone network, and suggests optical QoS service framework differentiated. in order to guarantee end-to-end QoS through the next-generation optical internet backbone network, using GMPLS control protocol. 지난 10년간 인터넷 트래픽의 기하급수적인 증가는 IP 프로토콜 프레임워크를 가장 중요한 네트워크 기술로 만들었다. 더욱이, 인터넷 서비스는 최선형 서비스 제공 위주에서 인터넷 폰, 비디오 컨퍼런스, 가상 현실, 인터넷 게임과 같은 새로운 형태의 실시간 멀티미디어 서비스들을 QoS보장과 함께 지원하기 위해서 차등화된 서비스 형태로 발전하고 있다. 최근, QoS 보장과 함께 광 대역폭의 요구 해결을 위해 다중 기가비트 파장을 제공하는 WDM 기술이 차세대 광 인터넷 백본망의 중심 기술로 부상하고 있다. WDM 기반의 차세대 광 인터넷 백본망에서 QoS 프레임워크는 QoS 보장형 서비스를 제공하기 위한 핵심 과제 중의 하나이다. 본 논문에서는 IP 서브망과 WDM 광 백본망에서 QoS 프레임워크와 관련된 성능 요구사항을 분석하고, GMPLS 제어 프로토콜을 이용하여 차세대 광 인터넷 백본망을 통해 종단간 QoS를 보장하기 위한 차등화된 광 QoS 서비스 프레임워크를 제안한다.
GYRO와 ARM을 이용한 항해 중 선박 평형 안정화 시스템
박성주(Sung-Ju Park),장운용(un-Yong Jang),양용(Young Yang),김경률(Kyung-Roul Kim),하승위(Seoug-Whi Ha),박상준(Sang-Jun Park),유재준(Jae-Jun Rue),서동환(Dong-Hoan Seo) 한국마린엔지니어링학회 2008 한국마린엔지니어링학회 학술대회 논문집 Vol.2008 No.-
This paper describes the stable system of Ship balance by using ARM(Advanced RISC(Reduced Instruction Set Computer) Machines Ltd.,) & CYRO during the voyage. Generally, the slope is controlled by using Fin stabilizer or RRS(Rudder Roll Stabilization System). Especially, the cruise must remove the vibration and noise through other balance system fer passenger. The proposed water ballast system composes of ARM BOARD, GYRO, WATER PUMP AND UPS(Uninterruptible Power Supply). When the ARM BOARD detect the signal from the GYRO and control the WATER PUMP and then get the stability. Fail Safety System also maintain the stable state from the emergency situation by using the UPS and Software.
GYRO와 ARM을 이용한 항해 중 선박 평형 안정화 시스템
박성주(Sung-Ju Park),장운용(un-Yong Jang),양용(Young Yang),김경률(Kyung-Roul Kim),하승위(Seoug-Whi Ha),박상준(Sang-Jun Park),유재준(Jae-Jun Rue),서동환(Dong-Hoan Seo) 한국항해항만학회 2008 한국항해항만학회 학술대회논문집 Vol.2008 No.공동학술
This paper describes the stable system of Ship balance by using ARM(Advanced RISC(Reduced Instruction Set Computer) Machines Ltd.,) & GYRO during the voyage. Generally, the slope is controlled by using Fin stabilizer or RRS(Rudder Roll Stabilization System). Especially, the cruise must remove the vibration and noise through other balance system for passenger. The proposed water ballast system composes of ARM BOARD, GYRO, WATER PUMP AND UPS(Uninterruptible Power Supply). When the ARM BOARD detect the signal from the GYRO and control the WATER PUMP and then get the stability. Fail Safety System also maintain the stable state from the emergency situation by using the UPS and Software.
류마토이드 관절염 환자에 대한 Recombinant Interferon Gamma 의 임상시험
권기운(Ki Woon Kwon),변정원(Jung Won Byun),이오영(Oh Young Lee),전용철(Yong Chul Chun),박병권(Byoung Kwon Park),김성윤(Seoug Yoon Kim) 대한내과학회 1989 대한내과학회지 Vol.37 No.2
N/A To evaluate antirheumatic efficacies and possibilities on treatment of rheumatoid arthritis with recombinant interferon-gamma, 44 patients with rheumatoid arthritis were treated with IFN-γ for 20 days and were analysed from the standpoint of Ritchie index, patient's assessment, laboratory findings and sideffect. The observed results are as follows: 1) 44 patients were enrolled, 40 patients could be evaluated. Of these, 22 were responders (55%) according to the criteria for treatment success. 2) In 35 patients, stabilized therapy was continued concomittant with the IFN-γ and were no significant differences with respect to the results of treatment. 3) In responders, Ritchie index decreased from 28 on the day of recruitment into the study to 15 on day 20. 4) The patients evaluation of morning pain and change in mobility showed more improvements in responders than non-responders. 5) Monitering of laboratory parameters revealed no therapeutically relevant changes. Side-effects occurred in 14 out of 40 patients. In 10 of these patients, transient fever was recorded.