氟化

That deeply discusses the specialty of calcium and fluoride in saliva and plaque, and makes clear the rule of conversion and reciprocity of it will be important meaning to clear the pathogenesis of caries, and advance remineralization of dental, and effectively process the forecast and prevent and therapy of caries.

深入探讨唾液、菌斑中氟离子、钙离子的生物学特性，研究其转换代谢规律、相互作用以及各种影响因素，对探明龋病的发病机理，促进牙齿硬组织的再矿化，有效地进行龋病的预测、预防和治疗等均有重要意义。

The compatibility of hydrogenated nitrile rubber and perfluoromethylvinylether was investigated using vulcanization coefficient, physical properties, Dynamic Mechanical Thermal Analysis and Differential Scanning Caloricity.

从氢化丁腈橡胶/氟醚橡胶并用体系的硫化特性、物理性能、动态力学性能及热力学性能等方面对HNBR与PMVE的相容性进行了研究，并从分子结构方面予以分析讨论。

Product 11 was transformed to the 2,6-difluoropyridine-4-carboxylic acid (12; 87%) by consecutive halogen/metal permutation and carboxylation.

产品11个，转化为2，6 -二氟- 4 -羧酸（12； 87％）的连续卤素/金属置换和羧化。

This research used the optical frustrated total internal reflection by the coupling of prisms to excite surface plasma waves to measure the resonant angle of the chlorine and Halogen-methane (including the fluoromethane, chloromethane, bromomethane, and iodomethane).

中文摘要本论文是根据光受挫式内部全反射方法利用稜镜的耦合来激发表面电浆波，量测出氯气与卤族甲烷(氟甲烷、氯甲烷、溴化甲烷、碘甲烷)之共振角度。

The differences of electric mechanism, phase behavior and high temperature stability of cyhalothrin drug-loading microemulsion were investigated when the dodecyl benzenesulfonic salts combined with five coherer counter-ions and polyoxyethylene styrenyl ether were mixed at the same molar ratio.

将十二烷基苯磺酸盐和苯乙烯化苯酚聚氧乙烯醚按摩尔比1∶1混合后，结合5种金属反离子配成增溶高效氯氟氰菊酯的载药微乳体系，研究其在导电机理、相行为及热贮稳定性上的差异。

The paper discusses the process conditions of producing synthetic cryolite by carbonation method and the main factors affecting the yield rate of sodium fluosilicate.

本文探讨了碳酸化法合成冰晶石的工艺条件，确定了影响氟硅酸钠纯碱分解率的主要因素，试验结果表明：NaF溶液的精制和〔6F-〕/〔Al〕、反应温度等对冰晶石性能有显著的影响。

To explore the effect of high fluoride and low protein on tooth development and clarify the mechanism of excessive tooth wear, and decalcification of incisors were researched by SEM.

为了探索高氟低蛋白对牙齿发育的影响，阐明牙齿过度磨损的机理，应用扫描电镜对第一、二切齿脱钙前的矿化及脱钙后的基质结构作了观察。

Objective To investigate the transformation of microhardness and microstructures of human dental flu-orosis after demineralization and remineralization in vitro.

目的 研究离体氟斑牙早期龋模型经再矿化处理后，釉质表面显微硬度及微观形貌的变化。

Objective To evaluate the effect of fluoried protector on preventing enamel demineralization and promote enamel remineralization during orthodontic treatment, so as to provide evidence for the application of DIAGNOdent in clinic.

目的 评价氟漆在正畸治疗中防止牙釉质脱矿及促进牙釉质再矿化的效果，并为激光荧光诊断仪的临床应用提供依据。

The article includes three parts. The first, a steroselective and regioselective synthesis of digitoxin with glycosyl ortho-alkynylbenzoates as doners. The second, synthesis of different length chain of L-fucose with a SO3Na group in the position of C-2 hydroxy.

本文工作主要包括三部分内容，分别为采用全新发展的一种邻炔基苯甲酸酯的糖基供体进行地高辛的全合成并与常规的Schimidt供体及三氟亚胺酯供体进行结果比较；合成不同长度的2位硫酸化的岩藻糖糖链；对现有的合成伏格列波糖的一条合成路线进行工艺优化。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。