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本文介绍利用低能γ射线反散射方法测量精煤灰分的基本原理。所研制灰分仪的测量范围为(8—15)％,标准误差为±0.37％,并着重对散密度引起的测量误差进行了分析。
This article describes the basic principle of using low energy γ-ray backscatter measurement of coal ash. The developed ash analyzer has a measuring range of (8-15)% and a standard error of ± 0.37%. The measurement error caused by bulk density is analyzed emphatically.