| 摘要 |
The invention refers to a method of utilizing the (n, gamma) reaction of thermal neutrons, comprising the steps of arranging a target (2) before a source (1) of thermal neutrons, the target (2) having a front surface directed to the source (1) of the thermal neutrons and a rear surface lying behind the front surface, preparing the target (2) with a basic metal body (4) made of 70Yb and/or 74W, producing by the means of the thermal neutrons a metallic mixture including the basic metal(s) and at least one of the pairs of metals 71Lu + 72Hf and 75R3 +76?s and storing the metallic mixture for reducing its nuclear activity. Fig. 1
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