1·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。
2·The macroscopic damage image of reinforced concrete slabs under impact effect are obtained through model test, and the residual velocity of the projectile are gained from the tests.
通过弹丸撞击有限厚度钢筋混凝土靶板的模型试验,获得了有关靶板冲击破坏的宏观图象及弹丸贯穿靶板后的残余速度。
3·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。
4·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。
5·Through the test of macroscopic performance of the hardened plaster surface which have different fineness, summing up the regularity that the fineness influence surface layer of plaster.
通过对不同细度面层石膏的硬化体宏观性能的测试,总结出细度对面层石膏性能的影响规律。
6·At present, morphological study of aggregates are considered from macroscopic view while the results are subjective due to the lack of specific test methods and quantitative indicators.
目前,对集料形态的研究都是从宏观上考虑,而缺乏具体的试验方法和量化指标,结果主观。
7·A brass component cracked in mercury was analyzed with macroscopic and metallographic technique. Combined with energy spectrum test, the form and mechanism of mercury induced cracking were discussed.
对一起黄铜汞裂破坏的构件进行形貌和金相分析,结合能谱测试,讨论了汞裂破坏形式、汞裂破坏机制,汞裂与一般沿晶型应力腐蚀破裂及晶间腐蚀的差别。
8·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。