The results showed that the influence of Na metal added on NH3 release during pyrolysis greatly depended upon coal metamorphism, which made the obvious influence on the coal with lower metamorphism.
结果表明:外加钠在热解过程中对NH3释放的作用较大程度上取决于煤的变质程度,变质程度越低的煤影响越明显。
The dynamic metamorphism of disturbed coals and the effect of radical density on coal gas outburst prediction are discussed.
在实验基础上进一步探讨了构造煤的动力变质作用和自由基浓度在煤和瓦斯突出预测中的作用。
On the basis of what is said above we put forward the concept and types of "Coal Metamorphism Region" and specifically divi...
在此基础上提出“煤变质区”的概念和类型,并对我国的“煤变质区”进行了具体的划分。
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