灰分及湿度是表征煤的质量的基本指标。为了进行煤的处理与选集,必须同时具有关于灰分及湿度的信息。现在采用仪器分析方法,一般是利用不同的手段分别测量灰分及湿度。这里介绍一种可同时测量煤的这两个质量指标的中子分析法。 Ash and humidity are the basic indicators of coal quality. For the treatment and selection of coal, it is necessary to have both information on ash content and humidity. Instrumental analysis is now used, generally using different means to measure the ash and humidity, respectively. Here, we introduce a neutron analysis method that can measure these two quality indexes of coal simultaneously.