The result reveals that the magnesium acetate in coal can make a reducing action during combustion and reduce the quantity of NO on the conversion course of fuel-N.

研究结果表明，在燃煤中添加醋酸镁后，醋酸镁对燃料氮的释放过程中起到一定的还原作用，可以减少NO的生成。

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Based on the characteristics that in coal bed gas exist rich benzene and poor N-hexane, the authors propose two indicators as"Benzene lndex"(B)and"N-hexane lndex"(H)to distinguish the coal bed gas.

根据煤层气体具有富苯和贫正己烷的特征，提出了“苯指数”（B）和“正己烷指数”（H）两项判别煤层气的指标。

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The test results of 30 samples collected in 4 wells indicate that the abundance and extractable contents of organic matter in the coal measures are both high, n alkane possesses odd even predominance;

口井30 余块样品测试结果表明，煤系有机质丰度及可抽提有机质的量都较高；正构烷烃具明显奇偶优势；

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