Macroscopic qualitative study and microscopic test technique were combined to examine the effect of the fly ash activator on the early hydrating of cement paste with high volumes of fly ash.
本文采用宏观定性研究和微观测试技术相结合的方法，考察了活性激发剂对高掺量粉煤灰水泥浆体早期水化进程的影响。
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。
The analysis of automobile engine crankshaft was conducted by macroscopic examination, fracture analysis, chemical composition analysis, metallographic examination and mechanical properties test.
通过宏观分析、断口分析、化学成分检验、金相检验和力学性能检测等方法，对汽车发动机曲轴断裂原因进行了分析。
应用推荐