在[1]中,我们讨论了关于活化分析中使用 R 矩阵法检查标准样品以及简化标准样品,因此提高分析准确度和简化分析方法的问题.本文应用一次实验的数据.具体计算了三十多个元素由反应堆中子活化产生的诸放射性核素的相对生成速率以及这些核...在[1]中,我们讨论了关于活化分析中使用 R 矩阵法检查标准样品以及简化标准样品,因此提高分析准确度和简化分析方法的问题.本文应用一次实验的数据.具体计算了三十多个元素由反应堆中子活化产生的诸放射性核素的相对生成速率以及这些核素之间的 R 矩阵元,并且也提供了一个计算的方法.展开更多
It is well known that an SmCo5 magnet quenched at about 900℃ has high coercivity iHc. But annealing at about 700℃ causes a rapid decrease of iHc. It has been considered that the drop of iHc is caused by the precipit...It is well known that an SmCo5 magnet quenched at about 900℃ has high coercivity iHc. But annealing at about 700℃ causes a rapid decrease of iHc. It has been considered that the drop of iHc is caused by the precipitation of Sm2Co17 phase in the SmCo5 matrix, and the precipitates act as the centers of reversed magnetic do-展开更多
The determination of the concentrations of cadmium and other elements in horse kidney (H-8) is an inter-comparison work organized by IAEA during the second half of 1984. The Progress Report of IAEA contains all result...The determination of the concentrations of cadmium and other elements in horse kidney (H-8) is an inter-comparison work organized by IAEA during the second half of 1984. The Progress Report of IAEA contains all results received by Jan. 18, 1985, from 63 participants of 32 nations. The analytical methods used included nuclear an-展开更多
文摘It is well known that an SmCo5 magnet quenched at about 900℃ has high coercivity iHc. But annealing at about 700℃ causes a rapid decrease of iHc. It has been considered that the drop of iHc is caused by the precipitation of Sm2Co17 phase in the SmCo5 matrix, and the precipitates act as the centers of reversed magnetic do-
文摘The determination of the concentrations of cadmium and other elements in horse kidney (H-8) is an inter-comparison work organized by IAEA during the second half of 1984. The Progress Report of IAEA contains all results received by Jan. 18, 1985, from 63 participants of 32 nations. The analytical methods used included nuclear an-