Fluoride also helps teeth damaged from the decay process and breaks down bacteria on teeth.
氟化物也能帮助牙齿来自腐朽过程的损坏和牙齿中微生物的破坏。
A kind of process for preparing hydrous zirconium fluoride is introduced.
介绍了水合四氟化锆的一种生产工艺。
The cost of this process is low and fluoride content in the product is small, reaching feed-grade level and meeting HG2636-94 standard.
该工艺成本低，产品氟化物含量低，达到饲料级标准，符合HG2636- 94标准。
This process has been successfully used to remove fluoride from wastewater.
该工艺已被成功地用于废水除氟。
Two technological process of samarium fluoride prepared by wet methods-one is a traditional technique and another is a new method of ammonium bicarbonate conversion.
本文研究了湿法制备氟化钐的两种工艺过程——传统工艺和碳酸氢铵转型新工艺。
A test was made on the influence factors of calcium salt sedimentation-electrocoagulation process on the treatment of industrial wastewater containing fluoride, and the effect was analyzed.
对钙盐-电凝聚法处理含氟工业废水的影响因素和效果进行了试验和分析。
The process of sodium fluoride by ammoniating method was described in brief. The phase composition and crystalline morphology was determined and the crystallization kinetics was discussed also.
本文简述了氨化法合成氟铝酸钠工艺技术，测试分析了氨化法冰晶石的矿相、结晶形貌。就其结晶行为相关的动力学问题进行了讨论。
The present invention relates to drinking water treatment, and is especially process and electrical flocculator for treating fluoride and organic matter in drinking water.
一种饮用水中氟和有机物的处理方法及其电絮凝装置，涉及一种饮用水处理的工艺和装置。
A lab-scale chemical neutralizing-coagulative precipitation process was carried out to treat fluoride-rich acid wastewater in a rare earth wet refining factory.
采用实验室规模的化学混凝沉淀法处理某稀土湿法冶炼厂酸性含氟废水。
The paper analyzes the main problems in the aluminum fluoride spent liquor recovery of wet process after the basic principles are summarized up.
总结国内湿法氟化铝母液回收工艺过程基本原理，对湿法氟化铝母液回收过程中存在的主要问题进行了分析研究；
In this paper, asymmetric microporous poly (vinylidene fluoride) (PVDF) membranes were prepared by phase-inversion process.
本文采用相转换法制备了聚偏氟乙烯不对称微孔膜。
In this paper, asymmetric microporous poly (vinylidene fluoride) (PVDF) membranes were prepared by phase-inversion process.
本文采用相转换法制备了聚偏氟乙烯不对称微孔膜。
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