• Title/Summary/Keyword: U.J.S.

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Clinical Application of $^{99m}Tc-HIDA$ Cholescintigraphy in the Cholecystitis (담낭염 환자에서의 $^{99m}Tc-HIDA$ Scan의 진단적 의의)

  • Park, R.J.;Ahn, I.M.;Jang, Y.B.;Hong, K.S.;Yoon, Y.B.;Cho, B.Y.;Koh, C.S.
    • The Korean Journal of Nuclear Medicine
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    • v.15 no.2
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    • pp.11-17
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    • 1981

  • Cholescintigraphic studies with $^{99m}Tc-HIDA$(dimethyl iminodiacetic acid) were performed in 22 cases of normal subjects, 21 of acute cholecystitis, 12 of chronic cholecystitis and 12 others, with the results of, 1) In normal control group, liver and intrahepatic biliary tree, CBD and gall bladder, and G-I tract appeared at 10, 20 and 30 minutes after intravenous injection of $^{99m}Tc-HIDA$ respectively, 2) In acute cholecystitis, 20 among 21 cases showed non-visualization of gall bladder with the diagnostic accuracy, sensitivity and specificity of 93.2%, 95.2% and 100% respectively. 3) In chronic cholecystitis, 5 among 12 cases showed non-visualization of gall bladder and remained 7 among 12 cases showed poor contraction of gall bladder (4), delayed visualization of gall bladder (1) and normal findings (2). 4) In the other disease group, the 12 cases which initially suspected as acute cholecystitis, revealed normal scan findings to exclude the cystic duct obstruction easily, With the above results, this scintigraphic procedure was found very rapid, accurate and easily available method for the determining of the cystic duct patency.

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A Study on the Takeoff and Landing Performance of Aircraft (경비행기의 이착륙 성능에 관한 연구)

  • Kim, J.H.;Hwang, M.S.;Lee, J.M.;Kim, C.Y.;Jin, I.H.;Jang, U.J.
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.3 no.1
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    • pp.97-105
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    • 1995

  • 본 연구는 창공-91 항공기의 비행 시험의 일환으로 수행된 것으로, 항공기의 이 착륙 성능 측정을 위한 비행 시험의 절차와 사용된 방법, 자료 처리 절차 그리고 비행 시험 결과에 대해 기술하였다. 본 비행 시험은 FAR 부속서인 Advisory Circular 23-8A 의 비행 시험 절차에 따라 수행되었으며, 측정된 자료를 분석한 결과 설계시에 결정된 창공-91의 성능 자료를 만족함을 보였다.

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Development of the Preventive Diagnostic System for Substation (변전소 예방진단시스템 데이터 취득장치 개발)

  • Shim, J.T.;Sim, S.M.;Kweon, D.J.;Choi, I.H.;Jung, G.J.
    • Proceedings of the KIEE Conference
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    • 2001.07a
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    • pp.428-430
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    • 2001

  • This paper describes development of a preventive diagnostic system for the substation equipments. Data acquisition system, communication control unit and computer systems have been developed in the recent 2 years. The developed system is operating in 345kV U-Ryung substation for performance and environment tests.

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