Activator can enhance remarkably the activity of fly ash and accelerate secondary hydration reaction of high fly ash content concrete.
激发剂能显著提高粉煤灰的活性，加速高掺量粉煤灰二次水化反应。
The utility model has the advantages of no pollution, safety and high fly killing rate and can be put in various occasions like desks, stoves, dining tables, etc.
本实用新型优点是无污染、安全可靠、灭蝇率高，可放置在办公桌、灶台、餐桌等各种场合。
He hit a high fly right to the center fielder The center fielder was all set to catch the ball, but at the last minute his eyes were blound by the sun and he dropped it!
中场手做好了接球的准备，但是在最后一刻，他的视线受到阳光的干扰，他失了手！
This paper introduces the mix proportion of high fly ash content concrete instead of 30% cement with fly ash and some experiment results of the test examples in laboratory.
介绍了在水泥混凝土中，采用粉煤灰替代30 %水泥的高掺量粉煤灰混凝土的配合比设计，以及试件力学性能的室内实验结果。
Durability of concrete incorporating high fly ash content is expounded on basis of the case of overseas research and the mechanism of improving durability is also researched into.
根据国外研究情况，综述高掺量粉煤灰混凝土的耐久性及改善耐久性的机理。
Durability of concrete incorporating high fly ash content is expounded on basis of the case of overseas research and the mechanism of improving durability is also researched into.
根据国外研究情况，综述高掺量粉煤灰混凝土的耐久性及改善耐久性的机理。
应用推荐