... 以假想无水状态的煤为基准。代表符号“d”。 干燥无灰基 dry ash-free basis 曾称“可燃基”。以假想无水、无灰状态的煤为基准。代表符号“daf”。 ...
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With the carbon content of dry ash-free basis increasing, ignition activation energy increases and reaction rate falls.
干燥无灰基固定碳含量增加，着火活化能增加，反应速率减小。
It is also found that there is an approximate linear correlation between the yields of gas and tar of coal and the volatile matter of coal on dry, ash-free basis.
煤的干馏气和焦油产率与煤中可燃基挥发分之间有近似的线性关系。
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