氟化物可以强化生长中的牙齿,这是已证明的事实。
It is a proven fact that fluoride strengthens growing teeth.
这靠一种化学结构类似于聚四氟乙烯的氟化高聚物实现。
This is done with a fluoropolymer-a chemical similar in structure to Teflon.
你得到氟化氢的共价能。
对这一问题尤其需要加以指导,因为在所有天然水中都可发现达到某一浓度的氟化物。
Guidance is particularly needed because fluoride is found in all natural waters at some concentration.
而现在(护齿的)氟化物和牙齿护理计划只给它们带来了巨大的痛苦。
Nowadays, fluoride and dental plans have just made them a huge pain.
所以这是氟化氢中的氢氟共价键。
问问你的牙医或医生,你的饮水中是否含有氟化物。
Ask your dentist or doctor if your water has fluoride in it.
在这一步,将步骤1的加合产物进行氟化。
氟化物危害的特点是叶片顶尖灼燃现象。
Fluoride injury often is characterized by tip burn of leaves .
氟化物是防止牙齿受侵蚀的最好防护物!
着重叙述了具有低介电常数的氟化非晶碳薄膜的研究进展。
In this paper, the recent research progress of low-K fluorinated amorphous carbon film is introduced.
在很多城市的饮水中就有氟化物。
研究了一种生产氟化铵和白炭黑的新工艺。
A new manufacturing technology of ammonium fluoride white carbon black was studied.
氟化物危害的特点是叶片顶尖灼燃现象。
Fluoride injury often is characterized by tip burn of leaves.
氟化钠有广泛的用途。
可以请教你的牙医,以确定补充氟化物对您的孩子是否合适。
Ask your dentist to determine whether fluoride supplements would be appropriate for your child.
氟化物在骨骼的健康中也扮演着重要的角色。
通过熏气模拟试验研究氟化氢气体对橡胶盆栽幼苗的影响。
Study of the protection effect on plant after hydrogen fluoride fumigation;
通过熏气模拟试验研究氟化氢气体对橡胶盆栽幼苗的影响。
Study of the protection effect on plant after hydrogen fluoride fumigation;
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