首页> 外文期刊>Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine >Simplified two media method: a modified approach for measuring linear attenuation coefficient of odd shaped archaeological samples of unknown thickness.
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Simplified two media method: a modified approach for measuring linear attenuation coefficient of odd shaped archaeological samples of unknown thickness.

机译:简化的两种介质方法:一种用于测量厚度未知的奇形考古样品的线性衰减系数的改进方法。

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摘要

Linear attenuation coefficients of regular as well as irregular shaped archaeological samples of FaLG (flyash-lime-gypsum) of unknown thickness have been measured employing 'simplified two media' method. Seven different liquid materials plus air have been used as media to measure attenuation coefficient of these samples. Obtained results have been compared with those for regular shaped samples. Experimental values have also been compared with theoretical values calculated from FFAST and XCOM. A good agreement has been observed between experimental and theoretical values. Present measurements employing 'simplified two media' method have been reported for the first time for checking its validation and reliability.
机译:使用“简化的两种介质”方法测量了厚度未知的FaLG(粉煤灰石膏)的常规和不规则形状的考古样品的线性衰减系数。七种不同的液体材料加空气已用作测量这些样品衰减系数的介质。将获得的结果与常规形状的样品进行了比较。实验值也已与从FFAST和XCOM计算得出的理论值进行了比较。实验值和理论值之间已观察到很好的一致性。首次报道了采用“简化的两种介质”方法的当前测量结果,以检查其有效性和可靠性。

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