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Some Remarks on Gamma-Densitometry of Wood

机译:关于木材伽玛密度法的一些评论

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摘要

Computer simulations were used to investigate the application of the Compton backward scattering for γ-densitometry. The results obtained using the~(241) Am isotope as a gamma source, showed that the method would be useful in non-destructive wood density measurements. The measured mass absorption coefficient value is decreased in comparison with the theoretical value due to the γ-ray collimating system used in the transmission gamma densitometry. Therefore, the calibration seems necessary and the implementation of an isotropic material during the calibration process is strongly recommended.
机译:使用计算机模拟来研究康普顿向后散射在γ密度测定中的应用。使用〜(241)Am同位素作为伽马射线源获得的结果表明,该方法可用于无损木材密度测量。与理论值相比,由于在透射伽马密度计中使用了γ射线准直系统,因此测得的质量吸收系数值与理论值相比有所降低。因此,校准似乎很有必要,强烈建议在校准过程中使用各向同性材料。

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