初生纤维截面形态结构由致密向疏松结构变化。
The morphology of the as mod fibre from compact be comes loose.
由于白云石在煅烧过程中碳酸盐分解后形成多孔疏松结构，使其难以烧结致密。
Densely sintering of dolomite ore is difficult because decomposing of carbonate results in forming porous structure during calcining process.
SEM分析表明，提铝残渣颗粒形貌完全不同于粉煤灰原灰形貌，且多为不规则玻璃体颗粒，表面粗糙不平、并呈多孔、疏松结构。
SEM analysis show that morphology of the residue was mostly anomalistic vitreous body that the surface was coarse, poriferous and of lax structure, and therefore it was different from fly ash.
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