The strength development in long time of concrete with high content of fly ash was investigated.
研究了高掺量粉煤灰混凝土的长期强度增长趋势。
The development trends of non-evaporable water content approximately coincide with the strength development in each experimental group.
各试验组浆体非蒸发水含量的发展趋势与试件抗压强度发展趋势较为吻合。
Multivariate grey prediction model shows enough precision to predict the strength development and service life of concrete subjected to sulfate environment.
多元灰预测模型呈现出较高的精度以预测硫酸盐侵蚀环境下混凝土的强度劣化规律和服役寿命。
In this article, the author studies the age and gender characteristics of knee extensor isokinetic muscle strength development of 240 primary pupils aged 7-12.
采用测试方法，研究7 ~ 12岁阶段240名小学生膝关节伸肌最大等速肌力自然发育的年龄和性别特征。
Performance: Concretion hardens quickly, early strength high, wear-resisting, anti-frozen strong, the flowability good, the rate of strength development stable.
性能：凝结硬化快，早期强度高，耐磨、抗冻性强，和易性好，强度增进率稳定。
It has been inferred that high concentration of soluble ions may have restrained the hydration and pozzolanic reactions, thus the strength development of cemented soil.
经推断，很可能是高浓度的可溶盐抑制了水泥土的水化和硬凝过程，从而导致强度降低。
Sintering and melting of coal ash is a key process of ash deposition in furnace of utility boilers. Melt structure characteristics is a determining factor in deposit growth and strength development.
煤灰的烧结和熔融是电站锅炉灰沉积的重要过程，熔体的结构特性是沉积物生长和强度形成的决定性因素。
Sintering and melting of coal ash is a key process of ash deposition in furnace of utility boilers. Melt structure characteristics is a determining factor in deposit growth and strength development.
煤灰的烧结和熔融是电站锅炉灰沉积的重要过程，熔体的结构特性是沉积物生长和强度形成的决定性因素。
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