high-volatile a bituminous coal
...tuminous coal 高挥份C级烟煤 high-volatile B bituminous coal 高挥份B级烟煤 high-volatile A bituminous coal 高挥份A级烟煤 ..
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A brown coal, a high-volatile bituminous coal and a low-volatile bituminous coal were pyrolysed at a slow heating rate in a thermogravimetric analyser.
在热天平上采用慢速升温制备了褐煤、高挥发分烟煤和低挥发分烟煤的半焦。
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