| 单词 | sodium fluoride |
| 释义 | > as lemmassodium fluoride sodium fluoride n. Chemistry a white crystalline solid which is used in the fluoridation of drinking water and toothpastes, and in medical imaging and extractive metallurgy.Formula: NaF. ΚΠ 1869 J. H. Pepper Cyclopædic Sci. Simplified 590 When this salt is dried and mixed with nearly its own weight of sodium, and heated in a glass tube, sodium fluoride is formed. 1946 Sci. News Let. 21 Dec. 397/3 Sodium fluoride has previously been shown able to prevent tooth decay when it is in the water children drink during the years when their teeth are developing. 2015 Daily Mail (Nexis) 13 July The technique involves injecting patients with sodium fluoride that has been tagged with a tiny amount of radioactive tracer. < as lemmas |
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