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1)  fly-ash activation
粉煤灰活化
1.
This paper makes experiments on the effect of fly-ash activation on early strength of concrete.
针对粉煤灰活化提高混凝土早期强度问题展开试验研究,阐述了粉煤灰活化改善混凝土早期强度的机理。
2)  activated coal ash
活化粉煤灰
1.
This paper studied the adsorption of activated coal ash on COD in waste leachate.
为此,主要研究了活化粉煤灰对垃圾渗滤液COD的吸附。
2.
This paper studied the adsorption of activated coal ash on Cr6+ in waste leachate.
以试验的方法研究了活化粉煤灰对垃圾渗滤液中铬离子的吸附作用。
3)  activated fly ash
活化粉煤灰
1.
The effects of activated fly ash (AFA) on cement setting time and mortar strength are studied.
研究了活化粉煤灰对水泥的凝结时间和胶砂强度的影响。
2.
This paper studies the feasibility of laboratory wastewater treatment by Fenton oxidation and activated fly ash adsorption.
采用Fenton氧化和活化粉煤灰吸附联合处理,研究其处理实验室废水的可行性。
4)  activated wet fly ash
活化湿排粉煤灰
1.
Taking low class activated wet fly ash as adimixture of concrete by pre-disposed technology,it is found that the strength of concrete with this kind of fly ash is higher than the concrete with the same quantity of two class dry fly ash.
通过研究掺活化湿排粉煤灰的混凝土的抗冻性能、收缩性能、抗氯离子渗透性能,发现其耐久性能良好。
5)  active fly ash
活性粉煤灰
6)  activity of fly ash
粉煤灰活性
1.
Calcium lime and slacked lime have different results to excite the activity of fly ash.
生石灰和熟石灰对粉煤灰活性激发的效果是不同的。
2.
According to plants grow in ecological concrete need moderate pH value,excited activity of fly ash with acidity excitant X,produced high-volume fly ash concrete,and did disposal of depress pH value by chemical method,produced the low-alkalinity concrete.
根据绿色植被混凝土中植物生长对混凝土碱度的要求,采用新型酸性激发剂X激发粉煤灰活性,制备高掺量粉煤灰混凝土;并以化学方法进行降碱处理,制备出低碱混凝土。
补充资料:粉煤灰硅酸盐水泥
分子式:
CAS号:

性质:由硅酸盐水泥熟料、粉煤灰、适量石膏磨细制成的水硬性胶凝材料,代号P·F,中国主要水泥品种之一。粉煤灰掺加量为20%~40%(wt),标号分275、325、425、425R、525、525R、625R七个等级。性能和火山灰水泥相似,但需水性及干缩性较小,抗裂性较好,水化热较低,抗蚀性也较好。适用于一般的工业和民用建筑,尤其适用于大体积水工混凝土以及地下和海港工程等。

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