A PORTABLE SYSTEM FOR THE CONTINUOUS MEASUREMENT OF RN-222 IN HOSTILE GEOPHYSICAL ENVIRONMENTS

被引：7
|
作者：
CHAMBAUDET, A [1 ]
CIEUR, M [1 ]
HUSSONOIS, M [1 ]
KLEIN, D [1 ]
机构：
[1] INST PHYS NUCL,F-91406 ORSAY,FRANCE
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1991年 / 61卷 / 02期
关键词：
D O I：
10.1016/0168-583X(91)95470-X
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A proportional counter has been developed for the continuous measurement of Rn-222 in particularly hostile environmental conditions. This portable instrument has a one month autonomy and the detection sensitivity allows activity exceeding 41 Bq/m3 to be measured. The system is also adapted for volcanology and seismology observations, since Rn-222 is considered as a possible earthquake prediction signal. This apparatus has been tested regarding its ability to measure variations in radon concentration which are used as a tracer for understanding the geophysical processes that induce gases in the ground.
引用
收藏
页码：244 / 250
页数：7
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