氟

The preventive effect of epidemic fluorosis is obvious after having drunk the lower fluoride water for 13 years.

该地区经过10多年的改饮低氟水后，地方性氟中毒的防治取得了较明显的效果。

Endemic fluorosis is abroad distributing in our country and its harm is proverbial.

地方性氟中毒在我国广泛分布，氟的危害也众所周知。

With the increase of using developed stove, the prevalence of fluorosis in the area has been gradually controlled.

但应加强对病区居民正确使用炉灶的技术指导和降氟炉灶的管理及维修，巩同其除氟效果。

The dry process aluminum fluoride divides into the hydrogen fluoride preparation according to the technical process (including acid to material, fluorspar to give material, hydrogen fluoride reactor) and the aluminum fluoride preparation including the fluid bed, exhaust processing, end product processing.

干法氟化铝按工艺流程分为氟化氢制备（包括酸给料、萤石给料、氟化氢反应炉）及氟化铝制备包括流化床、尾气处理、成品处理。

A method of producing crystal sodium fluoride with sodium fluosilicate and sodium carbonate is introduced.

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。

The process of preparating potassium fluosilicate from the mother liquor of magnessium fluoride has been studied.

研究了以氟化镁母液为原料制取氟硅酸钾的工艺过程，通过试验获得了最佳工艺条件。

The main factors affecting the decompounding rate of sodium fluosilicate by calcined soda were confirmed.

探讨了碳酸化法合成冰晶石的工艺条件，确定了影响纯碱分解氟硅酸钠的分解率的主要因素，试验结果表明：氟化钠溶液的精制、n(6F)/n、反应温度等对冰晶石性能有显著的影响。

The ratio of the green emission intensity to the red one for the lead fluosilicate glass ceramics decreases evidently, while it is almost a constant for the lead fluosilicate glass.

随着激发功率的增加，绿、红上转换强度比在氟硅铅酸盐微晶玻璃中显著减小而在氟硅铅酸盐玻璃中近似不变。

Polymer silicic acid colloid can be used to completely replace the expensive and poisonous fluor containing depressors such as fluosilicate and has a remarkable eff...

聚合硅酸胶体完全可以替代有毒且价格较贵的氟硅酸盐等含氟抑制剂，降低铁精矿中K2 O、Na2 O等有害杂质含量，效果十分明显。

Fluosilicic acid,which is the byproduct from phosphate fertilizer factory,reacts with ammonium hydrocarbonate to obtain ammonium fluosilicate,then reacts with ammonium carbonate to form settled SiO 2,after filtration,water washing,drying and calcining,high purity SiO 2 with less than 10×10 -6 metal impurity and less than 10×10 -9 uranium and thorium respectively is made.

由磷肥厂副产氟硅酸同碳铵反应得氟硅酸铵，再和碳铵反应生成SiO2 沉淀，经过滤、水洗、干燥、煅烧得高纯SiO2 ，其金属杂质总含量小于 10× 10 -6，含放射性元素铀和钍各小于 10× 10 -9，通过实验获得了适宜的工艺条件，反应温度 70℃～ 80℃，反应时间 1 5h～ 2 0h ，配料比n(NH4HCO3 )∶n(NH4 2 SiF6 =4 4。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。