http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
전상호,이인선,이향숙,채윤병,Jeon, Sang-Ho,Lee, In-Seon,Lee, Hyangsook,Chae, Younbyoung 경락경혈학회 2019 대한침구의학회지 Vol.36 No.4
Objectives : As acupuncture treatment has been widely practiced in many countries around the world, clinical trials of acupuncture treatments also have become popular. The objective of the study was to explore the trends of research investigating the effect of acupuncture treatment in clinical trials using a bibliometric approach, a quantitative analytical methods. Methods : Publications related to clinical trials using acupuncture from 2000 to 2019 were retrieved from the Web of Science database. Extracted articles were analyzed in terms of publication year, country, journal, research area, organizations and authors. Trends in research on acupuncture in clinical trials were visualized using the VOSviewer program. Results : A total of 3,166 articles of acupuncture clinical trials published from 2000 to 2019 were identified and analyzed. The country producing the most articles in this field was USA followed by China, England, South Korea, and Germany. A network analysis based on the co-occurrence of keywords showed following three clusters: clinical studies, pain management studies, and methodology studies. Conclusions : This study provided a macroscopic overview of research in acupuncture clinical trials. These findings provide an expansive strategy for researchers in this field to cooperate with other researchers or organizations.
퓨리에 변환 적외선 분광기를 이용한 수직 분광 복사율 측정 장치의 제작과 측정
전상호,유남준,조재흥,박철웅,박승남,이근우,Jeon, Sang-Ho,Yoo, Nam-Joon,Jo, Jae-Heung,Park, Chul-Woung,Park, Seung-Nam,Lee, Geun-Woo 한국광학회 2008 한국광학회지 Vol.19 No.6
퓨리에 변환 적외선 분광기(FT-IR)를 이용한 물질의 적외선 분광 복사율 측정 장치를 구축하고 이 장치의 성능을 평가하였다. 본 장치는 기준 흑체, 시료 가열로, 광학계, FT-IR로 구성되어 있으며, 측정 온도 및 파장 영역은 $200^{\circ}C{\sim}500^{\circ}C$와 $3.5{\mu}m{\sim}20{\mu}m$ 이다. 기준 흑체의 유효 복사율은 0.9993 이상으로 거의 1에 가까운 값을 나타내고 있었으며, 흑체의 분광 복사율에 대한 합성 상대 불확도는 0.69% 이하이다. $300^{\circ}C$에서 불투명한 알루미나, 흑연, 양극 처리된 알루미늄 시료의 수직 분광 복사율과, 금속(IMS200)의 표면 거칠기에 따른 복사율을 측정하였다. 금속(IMS200)의 표면 거칠기에 따른 복사율 변화는 거칠기가 증가할수록 증가하였다. An Instrument to measure normal spectral emissivity is built using a Fourier Transform-Infrared (FT-IR) spectrometer. The instrument is composed of four main parts, reference blackbody, sample furnace, optics system, and FT-IR spectrometer. Measurement ranges of temperature and wavelength are $200^{\circ}C{\sim}500^{\circ}C$ and $3.5{\mu}m{\sim}20{\mu}m$, respectively. Measured emissivity of the reference blackbody is greater than 0.9993 with combined relative uncertainty less than 0.69%, which can be considered an ideal blackbody. We studied the emissivity of opaque alumina, graphite, anodized aluminum, and steel (IMS 200). It is shown that emissivity increases with the roughness of the steel (IMS 200) surface.
학술 7 특별구두세션 : PB. 포스터세션2 ; 시그마 방법론에 의한 LED 가속수명방법 제안
전상호 ( Sang Ho Jeon ),한택환 ( Ta다 Whan Han ),이상복 ( Sang Bok Ree ) 한국품질경영학회 2014 한국품질경영학회 학술대회 Vol.2014 No.2
Nowadays, it has recently been increasing demand for accelerated lifetime as a way to as-sess the reliability of the product in a short time. However, lack of a systematic examination of the statistical analysis of the activity factors and life analysis of activity of the electronic component. Each step was carried out according to the plan of accelerated life test LED through the Six Sigma methodology for this reason. Management process, and propose an effective method to increase the efficiency of the accelerated life test method was demon-strated to contribute to progress. 6 sigma methodology is proposed to accelerate the life of a reliable field method first process. The test was performed in a 16-step proof of the Six Sigma methodology to estimate the distribution, not the name of an existing test.