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이종하,고영훈,양종윤,김용구,한창수,윤현철,Lee, Jong-Ha,Ko, Young-Hoon,Yang, Jong-Yeun,Kim, Yong-Ku,Han, Chang-Soo,Youn, Hyun-Chul 대한생물정신의학회 2011 생물정신의학 Vol.18 No.3
Complex regional pain syndrome (CRPS) is a disease that causes chronic spontaneous pain and hyperesthesia of one or more parts of legs and arms, which is accompanied with problems of the automatic nervous system or the motor nervous system. However, up to date, it is unclear what causes the syndrome and how to diagnose and treat it. Although several treatments including medication and sympathetic nerve block are performed against CRPS, the therapeutic effect of the treatments is limited. The electroconvulsive thera-py (ECT), of which the mechanism is not clarified, is a treatment used for treatment-resistant depression. ECT is also reported to be effective against pain. Therefore, we performed the ECT for a 24-year-old female patient who has been diagnosed as CRPS. Her pain had not been much improved by medications and interventional procedures. At admission to a psychiatric ward for ECT, she com-plained of over 8 points of pain on visual analogue scale and the constrained movement around the painful part. Eight ECTs-three times a week-were performed for three weeks in hospital and then the ECT once a week was performed after her leaving the hospital. During the ECTs, pain had been reduced and the range of movement in the constrained parts had increased. Further systematic re-search is needed to confirm the effect of electroconvulsive therapy against CRPS.
이종하(Jong-Ha Lee),고덕영(Duck-Young Ko) 大韓電子工學會 2010 電子工學會論文誌 IE (Industry electronics) Vol.47 No.3
본 논문에서는 문자나 그래픽 같은 매우 간단한 메시지만을 표출하고 있는 소형 LED 전광판에서도 동영상이 표출될 수 있도록 임베디드 시스템을 이용한 프로세서를 설계하였다. 구현 방법으로는 임베디드 시스템에서 출력되는 24Bit의 디지털 동영상을 표출할 수 있도록 하기위하여 비디오 프로세서와 LED Display Panel을 설계한 동영상 LED 전광판을 제작하였다. 감마 보정, 밝기, 색 대비조정, 스케줄 기능, 인터넷에 의한 표출영상 변환 및 저장장치를 내장하였으며, 그래픽, 동영상 등을 소형LED 전광판에서 표출할 수 있도록 Windows CE 기반의 응용 프로그램을 설계하였다. In this paper, it is designed a processor using embedded system so that moving picture can be expressed on LED electric sign board which has been expressed a simple message only like as a character or graphic. It has been fabricated a moving picture LED electric sign board which is composed to a video processor and LED display panel, in order to be able to express a digital moving picture of 24 bits that is transmitted from embedded system. It includes gamma adjustment, brightness, color contrast control, a schedule function, expression image conversion by the Internet and memory device. Also, an application program based Windows CE is designed so that a character, graphic, and moving picture can be expressed on a small LED electric sign board.
중국의 금융변동과 경기변동: 31개 성별 자료의 실증분석
이종하 ( Jong Ha Lee ),황진영 ( Jinyoung Hwang ) 현대중국학회 2016 現代中國硏究 Vol.18 No.3
본 연구는 2006∼2013년의 중국 31개 성별 패널자료를 이용해 금융변동이 경기변동에 미치는 영향을 검토했다. 금융부문의 변수로는 `신용`(지역내총생산 대비 비율)과 `자산가격`(주택매매가격)을 선택했으며, 금융변동과 경기변동은 각각 금융부문 변수와 실질 지역내총생산의 이동평균 표준편차를 이용해 측정했다. 또한 본 연구는 금융변동과 경기변동 간의 관계를 면밀한 분석하기 위해 Pooled LS와 고정효과 모형은 물론 경기변동의 동태적 특성과 내생성을 고려한 시스템 GMM 모형을 추정해 비교·분석했다. 실증분석 결과는 신용의 규모 및 변동성의 확대는 대체로 경기변동을 심화시킨 반면, 실질 주택매매가격의 상승과 변동성 확대가 경기변동에 미치는 영향은 불명확한 것으로 나타났다. 이상의 실증분석 결과는 중국에서 금융변동성의 확대가 경기변동을 심화시키고 경제의 불확실성을 증폭시킬 수 있음을 시사한다. 따라서 본 연구는 경기변동을 감소시키기 위해 안정적인 금융부문의 관리가 중요하다는 사실을 제시한다. Using 31 regional panel data in China over the period of 2006∼ 2013, this paper empirically examines the impacts of financial volatility on business cycle. The financial sector is denoted by `credit` (measured by the ration of gross regional domestic product) and `assent price` (represented by housing price). Also, financial volatility and business cycle are measured by the moving-average standard deviation of each variables. In addition to the econometric methods of pooled LS and fixed effect model, the system GMM method is used to accommodate the dynamic characteristics and endogeneity of business cycle. The estimates indicate that the size and volatility of `credit` is positively associated with business cycle, whereas the impacts of the size of `assent price` and its volatility on business cycle are ambiguous. The empirical results indicate that financial volatility increases business cycle and economic uncertainty in China. Hence, we can infer that it is necessary a stationary management in financial sector to mitigate cyclical fluctuations in China.