【摘要】 给出了利用脉冲中子发生器产生的快中子的非弹性散射[n,n′γ]反应和热中子的俘获[n,γ]反应,对煤的全水分进行分析的原理和方法.采用BGO(锗酸铋)探头作为γ射线探测器,通过多元回归分析方法,较好地解决了元素间的干扰问题.用脉冲中子法测得的全水分分析值与化验值的偏差不超过0 5%.更多还原

【Abstract】 Pulsed fast thermal neutron analysis technology(PFTNA)is a better method than chemical analysis used in coal industry.The multiple linear regression is used on spectra in order to avoid the interfere of different elements.The error of all-water of coal between the method of pulsed neutron and conventional chemical analysis is below 0.5%.更多还原