CHE SIGNIFICA 크립톤-81M IN COREANO
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definizione di 크립톤-81m nel dizionario coreano
Krypton-81m 81mKr 12 / isotopo radioattivo di krypton, numero atomico 35, numero di massa 81, 81) Isomeri nucleari di Kr. La transizione metaplastica nucleare (IT) passa a 81Kr (emivita 2,1X105 anni). Un'emivita di 13 secondi e un raggio gamma (190 keV-100%). Madre nuclide 81Rb, e (emivita 4.7 ore) fornito come generatore 81mKr è adsorbita su una colonna di resina a scambio cationico, e lo utilizza, in uso, la mancata (非) viene estratta dall'aria o ossigeno in acqua calda, o forma secca. 크립톤-81m 81mKr 12/크립톤의 방사성동위원소, 원자번호 35, 질량수 81, 81) Kr의 핵이성체(核異性體). 핵이성체전이(核異形體轉移) (IT)에 의해 81Kr(반감기2.1X105년)로 변한다. 반감기 13초, γ선(190keV-100%)을 방사한다. 어버이핵종 81Rb(반감기 4.7시간)를 양이온교환수지칼럼에 흡착시킨 81mKr제네레이터로서 공급되며, 사용시에 비(非)이 온수, 혹은 건조상태에서 공기 또는 산소에 의해 추출해서 사용한다.
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10 LIBRI IN COREANO ASSOCIATI CON «크립톤-81M»
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1
What’s New in Cardiac Imaging?: SPECT, PET, and MRI - 350페이지
Appendix: radiation dosimetry for krypton-81m ventriculography Problems with quantification of absorbed radiation dose to the patient following intravenous infusion of krypton-81m mean that few authors have quoted formal radiation ...
Ernst E. van der Wall, H. Sochor, A. Righetti, 2012
2
Imaging of Diffuse Lung Disease - 15페이지
Ventilation agents used have included gases such as Xenon-133, Xenon-127, and Krypton- 81m, as well as the radioaerosols Tc-99m-DTPA and "Technegas." The choice of the ventilation agent often depends on availability. Krypton-8 1 m is ...
David A. Lynch, John D. Newell, Jin-Seong Lee, 1999
3
Progress in Radiopharmacy - 45페이지
Fazio F, Jones T, Assessment of regional ventilation by continuous inhalation of radioactive Krypton-81m. Brit. med. J. 3:673, 1975. Ciofetta G, Silverman A, Hughes JM, Quantitative approach to the study of regional lung function in children ...
P.H. Cox, Steven J. Mather, C.B. Sampson, 2012
4
Nuclear medicine and lung diseases - 26페이지
Because xenon-133 has a long half-life and a s' emission, it requires special equipment for radioprotection. Krypton-81m Krypton-81m is a gas with a very short half-life (13 sec), and a Yemission (190 Kev) that results in a good scintigraphic ...
Patrice Diot, Jean-Louis Baulieu, Etienne Lemarie, 2013
5
Pediatric Nuclear Medicine/PET - 92페이지
Ventilation/equilibrium, ventilation/perfusion, and perfusion/equilibrium distribution ratios are calculated. Krypton-81m Krypton-81m has a physical half-life of 13 seconds and during its decay emits a 190keV Left Right V2 / Q V3 / Q Q / E V2 / E ...
G.A. Taylor, S.T. Treves, 2007
6
Coronary Circulation: From basic mechanisms to clinical ... - 152페이지
After administration of 20 mCi krypton-81m by continuous infusion directly into the coronary bed, it achieves the highest concentration in areas of greatest perfusion. Static images of the distribution of radionuclide are related to the regional ...
Jos Spaan, A.V. Bruschke, Adriana C. Gittenberger-de Groot, 2012
7
Computers in Critical Care and Pulmonary Medicine - 2권 - 45페이지
COMPUTER ANALYSIS OF DYNAMIC KRYPTON 81m LUNG SCANS IN INFANCY Charles Y. C. Wong and Michael Silverman Hammersmith Hospital London W12 OHS England Krypton 81m has been used recently for ventilation and ...
8
Pulmonary Circulation in Health and Disease - 392페이지
Clark, J.C., Horlock, P. L., and Watson, I.A., 1976, Krypton-81m generators, Radiochem. Radioanalyt. Lett. , 25: 245. Dalen, J. E. , Mathur, V. S. , Evans, H. , Haynes, F. W. , Pur-Shahriari, A. A., Stein, P.D., and Dexter, L., 1966, Pulmonary ...
9
The Right Ventricle - 13페이지
Krypton-81m for determination of right ventricular ejection fraction. Eur J. Nucl Med 5:487– 492, 1980. Ham HR, Piepz A, Vandevivere J, et al: The evaluation of right ventricular performance using krypton-81m. Clin Nucl Med 8:257–260, 1983.
Marvin A. Konstam, Jeffrey M. Isner, 2012
10
Technical Advances in Biomedical Physics - 290페이지
2.1 Radioactive gases for inhalation The gases most used are radioactive noble gases like xenon-133, xenon-127, krypton-85 and krypton-81m. They are supplied as precalibrated doses in a definite volume, and the gases are often diluted ...
P.P. Dendy, D.W. Ernst, A. Sengün, 2012
