1 . AAR can be assorted two classifications: Alkali - Silica Reaction ( ASR ) and Alkali - Carbonate Reaction ( ACR ).

AAR主要 分两类: 碱 - 硅酸反应(Alkali-Silica Reaction, 简称 ASR ) 和碱 - 碳酸盐反应 ( Alkali-CarbonateReaction,简称ACR ).

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2 . Alkali - aggregate reaction ( AAR ) is one of significant factors affecting durability of concrete structures.

碱 - 集料反应 ( Alkali-Aggregate Reaction,AAR ) 是影响混凝土耐久性的重要因素.

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3 . The valence atom of an alkali - metal atom has two states.

碱金属原子的价原子具有两种能态.

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4 . Such detergents do not yellow the wool as alkali tends to do.

这种洗涤剂不会象碱那样使羊毛发黄.

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5 . All the alkali metals have a single s - electron outside a closed shell.

所有的碱金属都在闭合壳层之外有一单个S电子.

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