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Nano - meter zeolite was preparated with low - price , non poison calcined kaolin by hydrothermal syn - thesis.
采用水热合成法,以廉价易得煅烧高岭土为原料制备 纳米 沸石分子筛.
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The calcined kaolin with high surface activity should be used as proper stuff.
宜采用表面活性较高的煅烧高岭土为原料.
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