The failure reason of the aluminum alloy tube was investigated by macroscopic and microcosmic appearance observement, quality of material test, the stress analysis.
对失效铝合金管进行了宏观形貌观察、材质检验、 断口微观形貌观察及应力分析。
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。
The test data and mechanism shows that the mechnical property of concrete as well as its durability would be enhanced by adding slag, meanwhile, the microcosmic surface of concrete was improved.
试验数据和机理分析证明，掺入矿渣可以提高水泥砼的力学性能和耐久性能，砼的微观界面结构也得到了改善。
The analysis on macroscopic phenomena and microcosmic test provide some information to confirm the evidences of fluid flow along fault zones.
这些流体活动带来的异常及变化就是流体沿断裂带活动的有力证据。
The analysis on macroscopic phenomena and microcosmic test provide some information to confirm the evidences of fluid flow along fault zones.
这些流体活动带来的异常及变化就是流体沿断裂带活动的有力证据。
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