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卫生部工业卫生实验所
Received:03 February 1986,
Published:1987-05
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Qiliang Wang, Miaoting He. Measurements of cosmic-ray ionization and an empirical formula for the dependence of ionization on altitude and latitude[J]. Nuclear techniques, 1987, 10(5): 28-31,61.
用RSS-111型高压电离室和FD-71型闪烁辐射仪,在我国不同海面和湖面上测量了宇宙射线电离强度。根据在不同高度和不同纬度的测量数据,总结出宇宙射线电离强度随海拔高度和地磁纬度变化的经验公式,用于计算宇宙射线电离强度。结果与国外同类工作进行了比较。文中也给出了宇宙射线的实测数据,在海面上测量的平均值为2.93×10
-8
Gyh
-1
。
Using the combination of a RSS-111 high pressure ionization chamber and a FD-71 NaI (T1) scintillation radiometer
cosmic-ray ionization was measured on sea levels and lakes with different altitude and latitude. As a result of summing up the measurements made during the last three years
a empirical formula is obtained which might be used to estimate the cosmic-ray dose rate in air.
The mean value of the measurements of the cosmic-ray ionization on the sea levels was 2.93±0.07×10
-8
Gyh
-1
. The measurement data of the cosmic-ray ionization at the sea levels and lakes are given as well.
The results have been compared with the similar works done by foreign authors.
NCRP ., NCRP Report, No. 45 , 1975 .
NCRP ., NCRP Report, No. 50 , 1976 .
W. M. Lowder and T. F. Gesell ed ., The natural radiation environment I ,. Adams JAS, U. S. Atomic Energy Commission , Oak Ridge, Tennessee , 1975 , p. 91 .
J. H. Decampo et al. , USAEC Report, HASL-260 , 1972 .
王其亮 等 , 中华放射医学与防护杂志 , 4 , 4 , 43 ( 1984 )。
人造地球卫星环境手册编写组 , 人造地球卫星环境手册 , 国防工业出版社 , 北京 , 1971 年,第 69 页。
K. Katsurayama et al. , Health Phys. , 36 , 558 ( 1979 ).
罗达玲 等 , 核仪器与方法 , 4 , 54 ( 1984 )。
W. M. Lowder and K. O'Brien , HASL-254 , 1972 .
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