A new method, three stage carbonization process, to reclaim gallium from alumna production is introduced.

介绍了一种氧化铝生产流程中回收镓的新方法 ——— 三段碳酸化法.

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My father is an alumna of UCLA.

我父亲是加州大学洛杉矶分校的毕业.

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My alumni and alumna are present at my birthday party.

我的男校友和女校友都出席了我的生日聚会.

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If Mary and Bill graduate from our school, she is alumna and he is an alumnus.

假如玛莉和比尔从我们学校毕业的话, 那麽她就是女校友,而他则是男校友.

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Invite a least one Rotary Foundation alumnus or alumna to join your club.

至少邀请一位扶?基金会前受奖人加入贵社.

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During alumna production, mother liquor evaporation is the key process.

在氧化铝生产过程中, 母液蒸发是关键的工艺过程.

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