The results show that the smaller coal size, the higher oxidation temperature, and the longer oxidation time, the higher concentration of paramagnetic center are able to form free radicals.
结果表明，诸因素均能诱发煤自由基的形成：煤体被破碎地越细小，自由基浓度越大；
The results show that the smaller coal size, the higher oxidation temperature, and the longer oxidation time, the higher concentration of paramagnetic center are able to form free radicals.
结果表明，诸因素均能诱发煤自由基的形成：煤体被破碎地越细小，自由基浓度越大；
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