tooth enamel

Its influence on the acid protection of tooth enamel ;

对牙釉质表面抗酸蚀能力的影响；

Friction and Wear Behaviors of Natural tooth Enamel / Pure Titanium

天然牙釉质/纯钛摩擦磨损行为的研究

A method of preparation for the study of tooth enamel with SEM

扫描电镜研究牙齿釉质的制样方法

Study on the Wear Mechanism of Human Tooth Enamel

人牙釉质的磨损机制研究

Study of the Surface Layers of Tooth Enamel by TEM

人牙釉质表层结构的透射电镜研究

Quantitative Analysis of Mineral Contents in Human Tooth Enamel by Automatic Image Mask Scanning

人牙釉质含矿量的掩模图象扫描自动定量分析的研究

A discussion on calculation method of tooth enamel ESR dating

关于牙釉ESR测年计算方法的讨论

Relationship between Fluoride Concentration of Primary Tooth Enamel and Dental Caries

乳牙釉质表面氟浓度与患龋状况的关系

Study on differences of radiosensitivity of human tooth enamel

人牙釉质辐射敏感性差异的研究

A review of orthodontics bonding system and the damage to the tooth enamel

正畸粘结技术对牙釉质损伤影响的研究进展

The developmental process of forming tooth enamel .

牙齿釉质的形成发展过程。

A Study on ESR dating characteristics of tooth enamel fossils

牙化石ESR测年信号特性的研究

The answer comes from the ancient whales ' tooth enamel .

从古鲸鱼的牙釉质里可以找到答案。

The very earliest proto-whales had tooth enamel that indicated a fresh water diet .

最早的原始鲸鱼牙齿上有牙釉质，证明它具有淡水饮食习惯。

Scientists home in on tooth enamel gene

科学家们在向牙釉质基因进军

Outer layer of the tooth enamel and ivory to protect the pulp quality .

牙齿的外层有珐琅质及象牙质来保护牙髓。

Progresses in dose reconstruction by tooth enamel electron paramagnetic resonance

牙釉质电子顺磁共振剂量重建研究的若干进展

Mathematical simulation of irradiated tooth enamel EPR spectrum

对辐照牙釉质EPR谱数学模拟的研究

They find that fluoride treatment can loosen bacteria 's grip on tooth enamel .

他们发现氟处理能缓解牙釉质里细菌的压力。

Paleoclimatic reconstruction using carbon and oxygen isotopes of tooth enamel from mammalian fossils

哺乳动物化石牙齿釉质的碳、氧同位素组成与古气候重建方面的研究进展

The added fluoride hardens tooth enamel and is essential to keeping teeth healthy .

添加的硬的牙釉质氟也是保持牙齿健康的基本。

Water content within human tooth enamel had a significant influence on the micro-friction and wear behavior of enamel .

人牙釉质表层的含水量对其纳米力学性能和微摩擦磨损行为存在显著影响。

The acid protection and recrystallization of tooth enamel also contribute to the difference in cariosity .

牙釉质抗酸蚀能力及再矿化能力也决定了致龋性差异。

Saliva also bathes teeth in calcium , phosphate and fluoride , which strengthen tooth enamel .

唾液也能洗刷使牙釉质更加坚固的钙，磷酸盐和氟化物。

Gallnut enhances the acid protection of tooth enamel , with the effect similar to that of sodium fluoride .

五倍子具有提高釉质抗酸蚀的能力，其效果与氟化钠相当。

The Relationship Between Vegetation and δ ~ ( 13 ) C Value of Tooth Enamel in Two Kinds of Meadows , Northern China

中国北方两种现代草地动物牙齿珐琅质δ~（13）C值与植被类型的关系初探

ESR dating of tooth enamel samples

牙化石珐琅样的ESR测年研究

Fluoride is a naturally occurring mineral that helps to safely strengthen tooth enamel and prevents cavities .

氟是一种自然存在的矿物质，能安全有效地巩固珐琅质，防止蛀牙。

Compared with ceramic material , the reciprocating sliding wear behavior of human tooth enamel is more similar to that of copper material .

和脆性材料陶瓷相比，人牙釉质的往复滑动磨损行为更接近韧性的金属材料黄铜。

Main conclusions are drawn as follows : 1.The mechanical property of human tooth enamel is different from that of the artificial hydroxyapatite .

研究主要取得的结果和结论如下：1、人牙釉质与合成羟基磷灰石的力学性能和尺寸效应存在差异。