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本文介绍煤田低能γ射线散射测井的一种方法。定名为选择γ-γ测井。该装置使用~(241)Am放射源,对等效原子序数Z_e_q灵敏,并可估价煤中灰含量。
This article describes a method for low energy γ-ray scattering logging in coal fields. Named to choose γ-γ log. The device uses ~ (241) Am source and is sensitive to the equivalent atomic number Z_e_q, and can estimate the ash content in coal.