单词:calcium fluoride
[医] 氟化钙
calcium fluoride的用法和样例:
例句
- However, CaF2 has still moderate solubility, so it usually has to add excess calcium salt.此外,由于氟化钙仍有一定的溶解性,故通常都须加入过量的钙盐才能得到较佳的去除率。
单词:calcium fluoride 相关文章
[00:00.00]cafeteria [00:06.98]cafeteria [00:09.08]n.自助餐厅 [00:16.82]cafeteria [00:18.92]calcium [00:24.97]calcium [00:27.03]n.钙 [00:33.04]calcium [00:35.10]calorie [00:40.84]calorie [00:42.75]n.卡[热量单位] [00:48.88]calorie [00:50.79]c
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel
07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the
[00:02.98]junk junk food fat vitamin [00:07.67]n.垃圾 垃圾食品 n.脂肪 n.维他命;维生素 [00:12.36]snack stomach fever Sharon [00:17.28]n.小吃;快餐 n.胃;肚子 n.发烧;狂热 莎伦(女子名) [00:22.20]salad peach ripe o
[00:00.00]You don't look well [00:02.09]你看起来不太好喔 [00:04.18]A:You don't look well [00:05.29]你看起来不太好喔 [00:06.40]B:I know.I have a bad cold. [00:07.98]我知道。我得了重感冒了 [00:09.56
Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗? If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的,我想蛀了也没有关
1.As a child, the little boy very poor family, food, rice is often not enough to eat, his mother took the bowl of rice to the children to eat. Said the mother, children, eat fast, I hungry! - Scatter his mothers first lie 儿时,小男孩家很穷,
1.As a child, the little boy very poor family, food, rice is often not enough to eat, his mother took the bowl of rice to the children to eat. Said the mother, children, eat fast, I hungry! - Scatter his mother's first lie 儿时,小男孩家很穷,
A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti
DAVID GREENE, HOST: So getting calcium in your diet is essential to keeping your bones strong. Well, what do you do if you can't do dairy? A Navajo graduate student at Northern Arizona University got really interested in that question when he came ac
Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错,这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been
SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo
1,supplementary nutrients Vitamin D was mainly rely on two channels, one is to obtain from food, and the other one is on the adoption of solar ultraviolet radiation in human skin synthesis of vitamin D3, it can even in the small intestine to pr
今天我们要学的词是 fluoride. Fluoride 氟化物。The U.S. government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years. 美国政府50多年来首次降低饮用水建议添加的氟
1.As a child, the little boy very poor family, food, rice is often not enough to eat, his mother took the bowl of rice to the children to eat. Said the mother, children, eat fast, I hungry! - Scatter his mother's first lie儿时,小男孩家很穷,
1. You don't look well! 你看起来不太好喔! A: You don't look well! 你看起来不太好喔! B: I know. I have a bad cold. 我知道。我得了重感冒了。 2. Are you all right? 你还好吧? A: Are you all right? 你还好吧? B: No. I'm