http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
길세기(S. K. Kil),이상철(S. C. Lee),김태완(T. W. Kim),황종학(J. H. Hwang),홍응표(E. P. Hong),한영환(Y. H. Han),이종실(J. S. Lee) 한국재활복지공학회 2013 재활복지공학회논문지 Vol.7 No.2
본 논문에서는 전동휠체어용 압력분포 측정시스템을 개발하고, 실제 휠체어 사용자들을 대상으로 동작분석과 연계한 압력분포 변화실험을 통해 유의성을 검증하고자 하였다. 측정시스템은 휠체어 이동방향에 따른 압력분포 변화 측정을 위해 64ch의 시트쿠션 FSR 센서신호 및 좌·우 각 30ch의 팔걸이 FSR 센서신호를 2ch의 좌·우 바퀴형 엔코더 신호와 동시에 12bit, 10Hz의 샘플링 속도로 획득할 수 있도록 개발하였으며, 이 신호들을 USB 인터페이스를 통해 휠체어 뒤쪽에 장착 가능한 노트북PC로 전송 후 실시간으로 화면표시, 저장, 재생을 수행할 수 있는 실시간 신호처리 소프트웨어를 개발하였다. 개발된 측정시스템을 사용한 압력분포 변화 실험은 실제 휠체어 사용자 10인을 대상으로 적외선 마커 기반의 동작분석실에서 3D 동작분석과 연계하여 실시하였다. 실험결과, 휠체어 진행 중 회전구간에서 몸이 회전의 바깥 방향으로 기울어지는 것을 확인할 수 있었으며 실험결과 및 실험 후 인터뷰를 통해 전동휠체어 설계 시 시트의 형태에 대한 개선요구사항을 획득할 수 있었다. In this paper, we developed pressure mesuring system for powered wheelchair and tried to validate the usefulness of developed system by pressure measuring experiment with 3D motion analysis. This system consist of 64ch seat FSR(Force Sensitive Resistance) sensor unit, 30ch*2 armchair FSR sensor unit, analog and digital hardware board, 2ch rotary encoder unit and realtime signal processing & display S/W. And each data acquired from this system has sampling frequency of 12bit, 10Hz. Pressure measuring experiment for 10 persons who use wheelchair in real life was performed in the 3D vision analysis room. From the experiment, we obtained result that the center line of body inclined to outside direction during powered-wheelchair rotate any direction.
이상철(S. C. Lee),김영근(Y. G. Kim),이효덕(H. D. Lee),김세현(S. H. Kim),정한식(H. S. Chung),정효민(H. M. Jeong) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
The latent heat of evaporation of LNG is very effective and this generated in vaporization process of LNG. This energy is evaluated with value of 199.12 ㎉/㎏ (1.03 atm, -16 1 ~ 0℃). The purpose of this study represents the heat exchange characteristics of super low temperature liquefied natural gas. As the experimental liquefied gas, LN₂ was used in experiment and the main experimental parameter is chosen the flow rate and inflow air velocity. The experiment was performed for twenty minutes with several times. Temperatures distributions were obtained by T-type thermocouples. The heat exchange effects were dropped by a moisture freezing at heat exchange surface and various inlet air velocity were considered for temperature environment in chamber.
간내 (肝內) 담즙정체성 (膽汁停滯性) 황달과 (黃疸) 기계적 (機械的) 폐한성 (閉寒性) 황달의 (黃疸) 임상적 (臨床的) 비교
이상철 ( S C Lee ),안득수 ( D s Ahn ),양형식 ( H S Yang ),이경 ( K Lee ),한남진 ( N J Han ),박행렬 ( H R Prak ) 대한소화기학회 1981 대한소화기학회지 Vol.13 No.1
Cholestasis, literally translated, is stagnation of bile, but conventionally implies interfe- rence with bile flow into the duodenum associated with jaundice. Cholestasis has been divided into the type resulting from obstruction, either intrahepatic or extrahepatic, and that without obstruction, conventionally designated intrahepatic chol estasis. For the differenciation between intrahepatic cholestatic jaundice(medical jaundice,' and mechanical obstructive jaundice(surgical jaundice). We studied 102 cases of severe jaundice patients consisting of 54 cases of intrahepatic cholestatic, medical, jaundice confirmed by complete cure with medical treatment, who had over 20 mg% of serum total bilirubin, and 48 cases of mechanical obstructive, surgical, jaundice confirmed by operation, who had over 15 mg% of serum total bilirubin. The cases studied involved the patients who iwere admitted to department of internal medi- cine and/or transferred to department of general surgery for operation in Jeonbug National University Hospital andjeon Ju Presbyterian Medical Center during the period of Jan. 1979, to Dec. 1980. The results obtained are summerized as follows; 1. In surgical jaundice, the most common causes of diseases are stones and pancreatic head carcinoma, and those comprise 66. 6% of all surgical jaundice patients. In medical jaundice, the acute viral hepatitis(72. 2%) is the most common cause of disease and cirrhosis of the liver is next(14. 8%). 2. In surgical jaundice, 48% of patients is over 60 year old aged. 3. RL'Q pain, fever and chillness are more frequent in surgical jaundice than that in medical jaundice. Especially gall bladder was palpable in 20. 9% of surgical jaundice and in none of medical jaundice, 4. Mean+S.D. of serum alkaline phosphatase are 34 05+23.16 King-Armstrong unit in surgical jaundice and 17. 42+7. 48 King Armstrong unit in medical jaundice. 5. 6. 4% of surgical j;undice and 50% of medical jaundice show over 300 Karmen unit of SGOT and 2. 1% of surgical jaundice and 62 9% of medical jaundice show over pOQ Karmen unit of SGPT. But none of surgical jmndice showes over 900 Karman unit of SGOT and SGPT. SGOT/SGPT ratio showes 1. 67+0. 74 in surgical and 1. Og+0 gg in medical jaundice. 6. Mean+S.D. of serum cholesterol are 271. 73+91. 61 in surgical and 210. 56<81. 54 in med- ical jaundice. 7. SGOT/Alkaline phosphat;ase relation is not significant in differential diagnosis of sur- gical jaundice from medical jaundice because of low sensitivity (57. 2% in surgical jaundice .and 64. 7% in medical jaundice).