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南京大学
Received:06 August 1981,
Published:1983-10
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Shuxin Wang, Benxi Gu, Qi Jiang, et al. Measuring gadolinium content in Ba1-xGdxFe12-xZnxO19 and Ba1-xGdxFe12O19 by thermal neutron transmission[J]. Nuclear techniques, 1983, 06(5): 51-52,50,78.
DOI:
Shuxin Wang, Benxi Gu, Qi Jiang, et al. Measuring gadolinium content in Ba1-xGdxFe12-xZnxO19 and Ba1-xGdxFe12O19 by thermal neutron transmission[J]. Nuclear techniques, 1983, 06(5): 51-52,50,78. DOI:
为了开展用稀土离子置换钡铁氧体中的钡离子的研究
[1]
,用化学共沉淀法〔以(NH
4
)
2
C
O
作沉淀剂〕制备Ba
1-x
Gd
x
Fe
12-x
Zn
19
和Ba
12
的共沉淀粉料,确定制备的样品中钆离子的精确含量是研究工作的一个基础。由于Ba
等是多组元化合物,用化学分析方法困难较大。用光谱分析,精度也不高。1973年,Pierce报导
[2]
热中子透射法可以用来测量样品内某些中子截面大的元素的含量。针对Gd的热中子全截面很大这一特点,本文研究了利用热中子透射法测量含钆量。
In this paper the method of measuring gadolinium content in Ba
and Ba
by thermal neutron transmission is reported. The application of this method is also discussed.
都有为 , 仪表材料 , 5 , 44 ( 1979 )。
T. B. Pierce , Nuclear techniques in the basic matel industries, IAEA Technich Report, No.314 ( 1973 ).
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