本试验的目的是研究不同变质程度的煤在惰性气氛中的非等温热解。
In this paper the pyrolysis of coals with different metamorphism is performed under inert gas ambience in a non-isothermal reactor.
当采用不同的电化学法还原处理后，不同变质程度煤的含氧官能团也都有不同程度的减少。
While after being treated with electronic method, the content of oxygenic groups of all ranks of coal decreases in a certain extent.
选用两种不同类型的分散剂，考察了11种不同变质程度煤在高浓度煤浆制备过程中的浆体抗搅拌性能。
The stir-resisting properties of coal water slurries during their preparations were investigated in detail with 11 Chinese coals and two types of dispersants.
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