Point of Ayr Coal is liquefied over a range of temperatures.Mainly on the basis of microscopic investigation into the residual materials,the liquefaction behaviour of each maceral group is examined.

• 对泼因脱华尔煤进行了不同温度条件下的液化试验；对固体残渣进行了显微研究，讨论了各种煤岩组分的液化性能。