fluorid

1.The influence concem about fluorid effecting the health was discussed,thinking that there is a suitable density fluorid in the drinking water.

对新乡市不同.中氟化物含量进行了测定分析,结果表明,地层.管网.氟含量适中,山..氟含量偏低,纯净.物质.未出氟化物。

2.TheyThe use a fluorid of fluoride to protect teeth is common in many parts of the world.

用氟化物保护牙齿被世多国家所使用。

3.3儿茶素类：综合国内外的研究报告，证实儿茶素类其及氧化聚合物具有抗氧化，抗炎，抗菌，抗细胞突变作用。

Acacatechin: Researches from home and abroad have proved that the acacatechin and its fluorides can resist oxidation, inflammation, bacteria and cell mutation.