In soil measurement of radiation dose caused by X-ray computed tomography

被引：10
|
作者：
Lippold, Eva [1 ]
Kleinau, Philip [2 ]
Blaser, Sebastian R. G. A. [1 ]
Schluter, Steffen [1 ]
Phalempin, Maxime [1 ]
Vetterlein, Doris [1 ,3 ]
机构：
[1] UFZ Helmholtz Ctr Environm Res, Dept Soil Syst Sci, Theodor Lieser Str 4, D-06120 Halle, Germany
[2] Mir Technol AWST GmbH, Dosimetrieserv, Otto Hahn Ring 6, D-81739 Munich, Germany
[3] Martin Luther Univ Halle Wittenberg, Soil Sci, Von Seckendorff Pl 3, D-06120 Halle, Germany
来源：
JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE | 2021年 / 184卷 / 03期
关键词：
dosimeter; irradiation damage; soil X‐ ray absorption; X‐ ray CT;
D O I：
10.1002/jpln.202000276
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Radiation damage to plants through X-ray exposure has been reported to impair root growth. The literature on the critical dose for growth impairment is inconclusive, partly as dose measurements in soil are scarce. Here we fill this gap and show that the dose in a typical single pot scan amounts to 1.2 Gy. In addition, we demonstrate the shortcomings of estimating the dose from scan settings using the RadPro Calculator and highlight the efficient reduction of X-ray exposure by a lead shield.
引用
收藏
页码：343 / 345
页数：3
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