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Taking acid-treated stellerite as main material, zeolite X powder was prepared by hydrothermal method.

红辉为主要原,采用水热法制备了X粉体。

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contra-wound, contrecoup, contrectation, contredanse, contrefilet, contretemps, contribute, contributing, contribution, contributionnetwork,

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3G, 401(K), a,

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These scientists think they'll be able to stop nitrogen oxides before they reach the atmosphere by running the car exhaust past the superacid first.

科学家们认为尾处理能阻止氮氧化物的

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contriver, control, control account, control board, control center, control character, control circuit, control experiment, control function, control grid,

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3G, 401(K), a,
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