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1)  Steel slag active aggregate
钢渣活性集料
2)  steel slag aggregate
钢渣集料
3)  steel-slag fine aggregate
钢渣细集料
1.
This article discusses the hydrating condition,capacity and application of steel-slag fine aggregate used in cementitious matter,in the experiment,the cementitious matter composed of steel-slag fine aggregate and compound micro slag powder mix the sand and macadam into the concrete.
本文讨论钢渣细集料配制胶结材的水化状态、有关性能及工程应用。
4)  reactive aggregate
活性集料
1.
The effect of reactive aggregate gradient distribution in cement-based functionally gradient materials(FGM) on its mechanical property is compared with that of homogeneous distribution.
通过活性集料在混凝土中的梯度分布和均匀分布,研究对比了活性集料梯度分布对水泥基材料力学性能的影响。
2.
The distribution of reactive aggregates and the destroyed cases caused by alkaliaggregate reaction are described.
介绍了我国已发现的混凝土中活性集料分布及碱集料反应(Alkaliaggregatereaction—AAR)的破坏事例。
5)  alkali reactivity of aggregate
集料活性
6)  alkali-reactivity of aggregate
集料碱活性
1.
Since the first accident of Alkali-Aggregate Reaction(AAR) found,with the increasing magnitude usage of aggregate inconcrete structure,the engineer realize that alkali-reactivity of aggregate is the most important influencing factor on durability ofaggregation,so the evaluating methods for potential alkali-reactivity of aggregate is the key parameter for controlling concrete quantity.
最后对集料碱活性分析步骤进行讨论,使得碱活性测试更为合理、有效。
补充资料:颗料活性炭
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性质:吸附气体和蒸气用的颗粒状活性炭。须有机械强度,不起尘化,具强大吸附能力。用于天然气、石油气等气体的分离,苯、乙醇、乙醚等溶剂的回收,二氧化碳、氢、氮、氨、乙炔等气体的净化,维生素、激素、抗生素等的选择性吸附提纯,并作为氯乙烯聚合催化剂的载体等。有定形颗粒炭(圆柱形、球形等)和不定形颗粒炭两种。不定形颗粒炭的制法和一般的活性炭相同,但颗粒有一定大小范围。定形颗粒炭的制法是将炭质粉碎成粉末状,与焦油或其他胶粘剂混合,在挤压机上压成粒状,然后在高温用蒸汽、二氧化碳或烟道气进行活化。

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