目的研究氟化钠缓释片的释放特性。
OBJECTIVE To investigate the release property of sustained-release sodium fluoride tablet.
目的：观察氟保护漆和氟化钠的抗龋效果。
Objective: to observe the anti caries effect of Sodium fluoride and fluor protector.
分离出溶解度小的氟化铝、氟化锂、氟化钠等。
Aluminium fluoride, lithium fluoride and sodium fluoride etc.
分离出溶解度小的氟化铝、氟化锂、氟化钠等。
Aluminium fluoride, lithium fluoride and sodium fluoride etc. With small solubility in water were separated from the pregnant liquor.
目的研究氟化钠滴剂对儿童乳牙龋病的预防作用。
Objective To study the preventive effects of fluoride drop on dental caries for children.
目的比较玻璃离子和氟化钠修复预防根面龋的效果。
Objective To investigate the clinical effects of glass ionomer and fluoride varnishes in the treatment of root surface caries in senile patients.
当氟化钠浓度高于3%后，托槽的抗剪粘接强度下降。
The shear bond strength decreased while the concentration of NaF was higher than 3%.
采用磷酸双氰胺盐作环氧粉末涂料的固化剂、氟化钠作添加剂。
This research USES dicyandiamide as firming agent in epoxy powder coating and sodium fluoride as additive in epoxy.
采用磷酸双氰胺盐作环氧粉末涂料的固化剂、氟化钠作添加剂。
Synthesis of epoxy powder coatings low-temperature curing agent and its application;
目的：体外研究氟化钠涂膜对放射线照射后釉质超微结构的影响。
The samples of each group were treated by 30Gy X-ray irradiation and the ultrastructures were investigated by SEM.
分离后的溶液进行浓缩，分步析出氟化钠、 氟化钾和铷铯氟化物。
Then, sodium fluoride, potassium fluoride and (rubidium, cesium) fluoride was separated by concentrating, stepwise precipiting from the solution.
并同时观察了02％ 氟化钠及癸酸钠与氟化钠混合液抑制牙齿脱矿的作用。
The inhibition of demineralization provided by 0.2% fluorid sodium or fluorid fatty acid mixture was studied and compared at the same time.
本标准溶液以优级纯氟化钠在超净实验室中准确配制并分装于20毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with NaF and sub-packed in 20 ml ampoules.
本文介绍了以氟硅酸钠、纯碱为原料生产晶体氟化钠的工艺，并对操作条件作了详细的说明。
A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced. And its optimal operations are described in detail.
本发明的电镀铝液组成如下：二甲苯、三乙基铝、氟化钠、0.01% - 8%的添加剂组成。
The electroplating aluminum solution comprises the following components: xylene, tri-ethyl aluminum, sodium fluoride, and 0.01-8% additive.
方法牙本质过敏的患牙10 0颗，分为两组，一组用半导体激光治疗，一组用常规氟化钠脱敏。
Methods Semiconductor laser was compared with conventional NaF method for the treatment of 100 teeth with typical hypersensitive dentine which were divided into two groups.
和包括三聚磷酸钠、硅氟化钠、硫酸钠、氢氧化钠、硬脂酸钙和氯化镁的无机组合物的第二溶液。
The second one, composite inorganic solution, includes sodium tripolyphosphate, sodium silicofluoride, sodium sulphate, sodium hydroxide, calcium stearate and magnesium chloride.
氟化钠组根面亦可见明显的划痕，暴露的牙本质小管部分被封闭，在根面可见大小不一散在的指状结构；
NaF group also had significant root surface scratches, exposed dentinal tubules were partially closed and scattered finger-like structures are also visible on the root surface;
方法利用扫描电镜观察隔山消水提物、氟化钠、去离子水处理人工釉质龋后脱矿釉质表面沉积物的再矿化效果。
Methods By scanning electron microscope technique, the influences of Geranium Strictipes, sodium fluoride and deioned water on the artificial enamel mineralization were observed respectively.
目的用电极法直接测定全血血糖及乳酸，比较甘油醛与氟化钠对血葡萄糖的保护作用和对血乳酸生成的抑制作用。
Objective to compare the effect of glyceraldehydes with that of sodium fluoride to preserve glucose and lactic acid in whole blood specimens.
结论：使用氟化钠涂膜与氟化钠溶液相比氟离子与牙釉质接触和反应的时间更长，有效地降低脱矿，提高牙釉质抗酸溶解性。
Conclusion: The time of NaF varnish contact and reaction with enamel was longer than NaF solution to increase acid-resistance and reduce demineralization effectively.
结果：变链菌计数五倍子组少于蒸馏水组（P< 0 .0 1） ，与氟化钠组间无显著差异（P >0 .0 5 ）。
RESULT:The number of treptococcus mutans of chinese nutgall group is equal to that of the NaF group ( P>0.05), but significantly less than the distilled water group ( P< 0.01).
建立了氟化钠缓释片的氟离子选择电极测定法，并考察了方法的回收率、精密度。试验结果表明，方法简便、准确可靠、重现性较好。
The Study built the fluoride ion selective electrode method and the results indicated that it was simple, accurate, reliable and repeatable.
建立了氟化钠缓释片的氟离子选择电极测定法，并考察了方法的回收率、精密度。试验结果表明，方法简便、准确可靠、重现性较好。
The Study built the fluoride ion selective electrode method and the results indicated that it was simple, accurate, reliable and repeatable.
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