Some defects have been found in the slab structure by comparison with normal slab in microstructure through microcosmic test.
通过低倍及微观检验观察，将发生低温开裂的铸坯与正常铸坯进行微观组织对比，找出铸态组织中存在的缺陷。
This article studied the fractal characteristic of pore structure based on the fractal theory. By means of MIP experiment to test the pore structure of the concrete in terms of microcosmic.
本文以分形理论为基础研究了混凝土孔结构的分形特征，利用压汞试验从微观角度对混凝土的孔结构进行了研究。
Some significative conclusions were drawn with the systematic test of the macroscopical and microcosmic physical property of the material by the DTA-TG, XRD, BET and SEM.
运用DTA - TG、XRD、BET和SEM等测试手段对材料的宏观和微观性能进行了测试并得出了一些有意义的结果。
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