Fluoride also helps teeth damaged from the decay process and breaks down bacteria on teeth.

氟化物也能帮助牙齿来自腐朽过程的损坏和牙齿中微生物的破坏。

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A kind of process for preparing hydrous zirconium fluoride is introduced.

介绍了水合四氟化锆的一种生产工艺。

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The cost of this process is low and fluoride content in the product is small, reaching feed-grade level and meeting HG2636-94 standard.

该工艺成本低，产品氟化物含量低，达到饲料级标准，符合HG2636 - 94标准。

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To dig up the raw material, process it, convert from oxide to fluoride to metal to iodide, to mix it with mercury, make their own light bulbs, all of this within each of the different 192 sets of national boundaries.

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