phosphate fertilisers, which often contain the toxins fluoride and arsenic, are among the most environmentally damaging of all fertilisers.

fluoride is known to help prevent dental cavities, but long-term ingestion of excessive amounts could cause bone problems.

氟化物能预防龋齿，但是长期摄入超量的氟化物则可能导致骨骼方面的问题。

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chemicals used for treatment of water intended for human consumption. sodium fluoride.

人类饮用水处理用的化学品.氟化钠

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study of suppressing the enamel demineralization by combined application of fluoride lanthanum and molybdenum.

氟化物与镧、钼协同应用抑制牙釉质脱矿过程的研究。

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the casting solution was the ternary system composed of poly(vinylidene fluoride), n, n-dimethyl acetamide, and lithium chloride.

铸膜液是聚偏氟乙烯、N，N—二甲基乙酰胺和氯化锂组成的三元体系。

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a method is described for the separation and determination of fluoride in samples that cannot be directly analyzed for fluoride.

本文叙述了在样品中不能直接分析氟化物的一种分离和测定方法。

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however, the use of high doses of fluoride for prevention of osteoporosis is considered experimental at this point.

然而，根据此观点，试验已经证实使用高剂量的氟化物能预防骨质疏松。

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objective in order to understand the effects of occupational exposure to fluoride on the body trace element and catalase in workers.

目的为了解氟暴露对工人机体微量元素及过氧化氢酶的影响。

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these include fluoridated water, fluoride rinses for use at home, and, of course, any commonly used fluoridated toothpaste.

其中包括家用的含氟饮用水，氟漱剂，当然，最常用的是含氟牙膏。

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and only a small of amount of fluoride fluoridated toothpaste, the size of a green tea pea, should be used.

使用少量的含氟牙膏，尺寸大约有碗豆大小即可。

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this reaction is known to be favoured in the presence of a relatively high amount of fluoride in the electrolyte.

已知，这一反应在电解液中存在相对大量氟化物时更为有利。

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it has better up conversion intensity, and its mechanism is better than fluoride.

它具有较低的声子能量，较好的上转换发光强度，机械性能也比氟化物强。

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we produce a fluoride-free toothpaste because we respect our customers' diverse needs and interest.

我们的产品为无氟牙膏，因为我们尊重顾客的不同需求及喜好。

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fluoride machine has two forms: a single-trailer equipment and cabinets hang up the form of the same household.

氟机有两种形式：一种为单拖设备与家用柜挂机形式相同。

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half the children in the study took two of the medicated mints in the morning after brushing with a fluoride toothpaste.

参加试验的一半儿童，在早晨用氟化物牙膏刷牙并且吃两种含药的薄荷糖。

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if it doesn't, talk to your dentist or doctor about giving you a prescription for fluoride drops for your baby.

如果没有，告诉你的牙医或医生给你的宝宝开一些氟化物的滴剂。

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at this time the best experimental conditions fluoride removal rate of activated alumina up to 98. 8%.

此时最佳条件实验的活性氧化铝除氟率最高为98.

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nevertheless, up to the present, the chemical basis of fluoride toxicity to aquatic organisms is not well understood.

不过，至目前为止，该化学品的基础上氟化物毒性对水生生物是没有很好的了解。

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the invention relates to a preparation method of a polyvinylidene fluoride (pvdf) ultrafiltration membrane with improved permeability.

本发明涉及一种改善通透性的聚偏氟乙烯超滤膜的制备方法。

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the american dietetic association reaffirms that fluoride is an important element for all mineralized tissues in the body.

美国膳食协会再次肯定：氟化物是人体所有的矿化组织重要的物质。

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in the production of fluoride plastic film, defects on the surface of the film are the key factors that affect the quality.

在氟塑料薄膜生产中，薄膜表面产生的疵点是影响薄膜质量的关键因素。

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