... 自然伽马放射性：natural gamma radioactivity 自然伽马测井曲线校正：gamma ray correction 自然伽马测井：gamma ray logging ...
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gamma ray self-absorption correction 射线自吸收校正
gamma-ray self-absorption correction 射线自吸收修正
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The mud correction and uranium-radium non-equilibrium correction equation have been derived for 1318XA natural gamma-ray spectroscopy tool, and the division method of deposit thickness is proposed.
推导出1318XA自然伽马能谱测井仪的泥浆修正公式，铀镭不平衡修正公式，提出矿层厚度划分方法。
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