现有资料表明，北京地区存在大量碱活性集料。
The available information shows that there are a lot of active-to-alkali aggregates in Beijing Area.
用压蒸快速法鉴定集料的碱活性于1983年用英文发表之后，在国内外引起关注。
The publication of our rapid autoclave test method to determine the alkali reactivity of aggregate in 1983, aroused broad interest at home and abroad.
结果表明玻璃集料的碱活性与化学组成之间有良好的相关性，可以用“碱活性指数”衡量活性大小。
The experimental results show that the alkali reactivities of glass aggregates are closely related to their chemical compositions and can be measured by a so called "Alkali Reactive Index".
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