A phosphate ester tert-fluorine water dispersion resin(resin monomer total weight% )comprises:1)30.0% ethylene glycol monobutyl ether;
一种含磷酸酯叔氟水分散体树脂，按树脂的单体总重量计，其包括：1） 30.0％的乙二醇独丁醚；
The prevalence of dental fluorosis of the children drinking low fluorine water was no difference no matter whether using fluoride dentifrice or not.
饮用低氟水的儿童无论是否使用含氟牙膏，其氟斑牙患病率间没有差别。
The drinking water insecurity problems are mainly caused by the drinking water qualities, which include high-fluorine water, bitter water and polluted water.
饮水不安全主要是由饮用水水质引起的，包括氟水、苦咸水和污染水。
High fluorine water can be treated by boiling method, contact precipitation method or column filter method, the content of fluorine for processed water can meet normal drinking standard.
以上几种降氟剂根据水质不同可单独使用，也可钙、镁两种降氟剂混合使用。使用方法有煮沸法，接触沉淀法、滤柱过滤法来处理高氟水，其水氟含量可达到正常饮用标准。
The results showed that fluorine has polluted the soil and water around the factory.
结果表明，氟已污染了该厂附近的土壤环境和水环境。
Adsorption and desorption of fluorine at the surface of goethite is an important mechanism for fluorine migration and enrichment in the soil water system of the karst areas.
土层中针铁矿表面对氟的专性吸附及其解吸作用是岩溶地区土水系统中氟迁移和富集的重要机理。
It can provide a new way for reducing fluorine in drinking water in the areas where the groundwater has high fluorine content.
该工艺的水处理费用较低，有可能为高氟水地区的饮水降氟提供一条新途径。
This article described the principle and experimental method of determining fluorine ion content of water by method of ion selective electrode.
阐述了用离子选择电极法测定水中氟离子含量的原理及实验方法。
An ion chromatographic method was studied and established for measuring fluorine content in water, which shown high-resolution, high sensitivity and finer repeatability.
研究和建立了一个用于测定水中氟含量的高分辨、高灵敏和高重复性的离子色谱法，并辅以氟试剂-分光光度法进行了核实。
Improving the water quality by reducing its fluorine content would be an effective method to control diseases caused by fluorine.
地方性氟病等是由于饮用含氟水引起的，改水降氟是控制地氟病的有效方法。
In this paper, the mechanism of water-and oil-repellency, the advances in the synthesis of fluorine-containing monomers, the methods of polymerization and their application are reviewed in detail.
从拒水拒油机理、含氟单体的合成、含氟聚合物的聚合方法及其应用等方面对含氟多功能织物整理剂的国内外最新研究进展进行了较详尽的综述。
Drinking water of taking in food containing high fluorine by a long time can cause fluorine poisoning.
长期饮用高氟水或摄取高氟食物会引起氟中毒症。
The silicon and fluorine rubber with high temperature resistance, low compression permanent deformation, and high tear strength properties can meet the water sealing gasket requirements.
采用耐高温、低压缩永久变形、高抗撕裂硅、氟橡胶可以满足该部位需耐高温、耐冷却水的要求。
Adding appropriate fluorine to drinking water for children under 11 years old in the area with moderate amount of fluorine should be suggested.
建议饮用氟浓度适宜水的11岁前少年儿童饮用适量加氟的水。
The higher the fluorine content in the fluxes was and the longer the soak time of the fluxes in the water was, the more the fluorine would transfer into the water.
保护渣中氟含量越高，保护渣在水中的浸泡时间越长，渣中氟向水中的转移量就越多。
High iodine and fluorine is the main cause of morbidity, To improve the quality of water is a fundamental preventive method.
高碘高氟是引起发病的原因，防治的根本措施是改水。
Objective To Study sensitive mark of biochemistry of bone metabolize of The Endemic Fluorosis by epidemiology examine and lab check up in high fluorine area of drinking water.
目的对饮水型高氟病区进行流行病学调查及实验室检测，研究地方性氟中毒患者骨代谢的生化敏感标志物。
The fluorine does not accumulate indefinitely in the water.
氟不会在水里无限制地积累。
Children's dental fluorosis rates and children's urine fluorine content linearly with improvement of water of the length of extended to drop.
儿童氟斑牙患病率和儿童尿氟含量均随改水年限的延长呈下降趋势。
Tre - ated by alum activation, sepiolite can be used to purify the fluorine-bearing water sampled from high fluorine area.
海泡石试样经明矾活化处理后，按照试验选择的降氟条件，对采自高氟地区的饮用水进行交换处理。
The experiment was carried out to analyze the water-soluble fluorine content in Laoshan green tea and its influencing factors.
通过采样分析，对崂山绿茶水溶性氟含量及其主要影响因素进行了研究。
Soil fluorine, especially water-soluble in the soil, has closely associated with the fluorine content in plants, thus affects human welfare greatly.
土壤氟(特别是土壤水溶性氟)与植物体的氟含量密切相关，从而也与人体健康密切相关。
To explore the relations between fluorine concentration in drinking water and osteoarthritis, and to provide evidence for prevention and intervetion of endemic fluoride of bone.
探讨饮水氟浓度与人群骨关节炎患病的关系，为防治地方性氟骨症提供科学依据。
The experimental results show that natural clinoptilolitepotossium aluminium sulphate system can remove fluorine from water effectively and the cost of operation is lower.
研究结果表明，天然斜发沸石—硫酸铝钾体系除氟效果良好，运行成本也比较低。
The results indicate that the emission rate of fluorine increases with a decrease in water content and degree of neutralization.
结果表明，氟的逸出率随含水率和中和度的减小而增大。
Through the investigation on fluorosis in Yangjiaying village, Ankang city, that air in room and food were polluted by high fluorine in drinking water and burning coal was proved.
通过对安康市杨家营村氟中毒的调查，证实该村人群饮水含氟量过高和燃用含氟量过高的石煤污染室内空气，食品等所致，属于饮水与燃煤氟中毒。
The result of investigation of different age groups indicated that there is a negative correlation between DMFT and the fluorine concentrations in drinking water.
结果显示，在安全的饮水氟浓度范围内，龋均与饮用水氟浓度之间存在负相关关系，表明适度饮水氟化可以有效降低龋均；
The drinking water and foods is the main source of fluorine intake.
饮水和食物是主要的摄氟途径。
The drinking water and foods is the main source of fluorine intake.
饮水和食物是主要的摄氟途径。
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