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为了证实一个铀矿床是否有经济价值，铀矿开采和勘探部门需要采用大量的钻探工作量。通常采用总计数天然γ测井仪对钻孔进行测井，并且对总钻孔数的10％左右进行取心，后者主要在于确定铀本身与它的γ-辐射子体产物之间的放射性不平衡破坏程度。放射性不平衡现象是由于地下水对铀进行选择性淋滤的
In order to confirm the economic value of a uranium deposit, the uranium mining and exploration unit needs to use a large amount of drilling effort. Logging is commonly performed using a total natural gamma logging tool and coring about 10% of the total number of boreholes, the latter mainly being the determination of the radioactivity between uranium itself and its γ-radiation progeny products Unbalance damage. The radioactive imbalance is due to the selective leaching of uranium by groundwater