珐琅质的

Seven individuals , however , yielded enamel oxygen and strontium ratios that are inconsistent with a Barbadian origin , which strongly suggests that we are dealing with first-generation captives who were brought to the island with the slave trade .

7个人，但是，产生珐琅质氧和锶的比率是不符合巴巴多斯出身，这有力地表明，我们正在处理的第一代谁俘虏被带到岛上的奴隶贸易。

The thing to watch out for is that the treatment that you use does not do any damage to your tooth enamel.

需要注意的事情是，为您使用的治疗没有做任何损害你的牙齿珐琅质。

If you brush your teeth at this time, that some of the enamel crossed to the detriment of the teeth.

如果您在这个时候刷你的牙齿，一些交叉的损害牙齿的珐琅质。

Tooth decay begins when teeth are not cleaned properly after eating.In just one hour,plaque bacteria will start converting sugar and starch particles into harmful acids that attack the tooth enamel.Within 24hours,plaque can harden to form tartar,which can only be removed by aprofessional.Help prevent tooth decay and gum disease by cleaning away plaque at the gum line each day using Glister Multi-Action Fluoride Toothpaste and rinsing with Glister Concentrated Mouthwash.

A：进食后没有适当清洁牙齿，是蛀牙的导火线短短一小时，已足够让牙垢膜细菌把糖份及淀粉质转化为有害的酸性物质，侵蚀珐琅质24小时内，牙垢膜便会硬化，形成牙石，必需由牙医清除要预防蛀牙及牙周病，建议你每天使用丽齿健氟素牙膏，清除积聚于牙龈边缘的牙垢中国化妆品代理网膜，再以丽齿健浓缩漱口水漱口

Precipitation of calcium phosphates in saliva is inhibited by an acidic phosphoprotein, statherin, which contains 43 residues.

人体的唾液是一种过饱和的磷酸钙溶液，可以给与牙齿很好的保护，但同时也容易在牙齿的珐琅质表面产生沉淀。

This ratio of isotopes transfers to rainwater. When Coryphodon drank, the oxygen atoms became incorporated into its tooth enamel.

这种同位素的比例会带进雨水中，当冠齿兽饮水时，氧原子会融入牙齿的珐琅质。

Called Diagnodent, the $ 2,800 machine illuminates the tooth with a low-power red laser and measures whether the enamel glows, or luminesces, in response -- a sign of bacterial degradation.

这种机器被称作diagnodent，价值＄2，800，它可以用低功率的红外线照射牙齿，并且测出牙齿的珐琅质是否发热或发亮，这是细菌性降解的相应反应。

In the presence of sugars or starches, the bacteria produce an acid that attacks the tooth enamel.

在糖或淀粉的存在，细菌产生的酸，攻击牙齿珐琅质。

T he hardest substance in the human body is the white enamel of the teeth.

人体中最坚固的部分是牙齿上的珐琅质。

You'd wear enamel growing incubators over your teeth to build them back up after years of wear and tear.

你会穿在你的牙齿的珐琅质增长孵化器建设他们回来了，经过多年的磨损。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷