ATTENUATION PROPERTIES OF DIAGNOSTIC-X-RAY SHIELDING MATERIALS

被引：63

作者：

ARCHER, BR ^{[1
]}

FEWELL, TR ^{[1
]}

CONWAY, BJ ^{[1
]}

QUINN, PW ^{[1
]}

机构：

[1] US FDA,CTR DEVICES & RADIOL HLTH,ROCKVILLE,MD 20857

来源：

MEDICAL PHYSICS | 1994年 / 21卷 / 09期

关键词：

RADIATION PROTECTION; SHIELDING; X RAYS;

D O I：

10.1118/1.597408

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Single- and three-phase broad-beam x-ray attenuation data I;ave been obtained using lead, steel, plate glass, gypsum wallboard, lead acrylic, and wood. Tube voltages of 50, 70, 100, 125, and 150 kVp were employed and the resulting curves were compared to transmission data found in the literature. To simplify computation of barrier requirements, all data sets were parametrized by nonlinear least-squares fit to a previously described mathematical model. High attenuation half value layers and the lead equivalence of the alternate materials were also determined.

引用

页码：1499 / 1507

页数：9

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