| EXAMPLE SENTENCES | ||
|---|---|---|
如使用阴离子碳氟化合物，应转为使用阳离子碳氟化合物，事前先检查相容性及是否会导致退色。 If using an anionic fluorocarbon change to a cationic one having checked compatibility and any subsequent effects on fastness. | ||
介绍一种无机氟化合物和白炭黑生产的新方法。 A new approach for production of inorganic fluoride compound and silica white is described. | ||
萤石中含有卤族元素氟，是制取含氟化合物的主要原料，又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。 A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics. | ||
结果表明。这里的水氟、土壤水溶氟、牧草含氟量等均比氟安全区偏高，属自然高氟地区。 The result shows that the water flourine, soil water - soluble flourine and flourine in herbage are higher than those of safe area. | ||
大多数牙膏含氟，氟是可以防龋的。 Most toothpastes contain fluoride, which has been proven to prevent cavities. | ||
通常以共聚物中含氟单元的氟原子数目来表示，如氟橡胶23，是偏二氟乙烯同三氟氯乙烯的共聚物。 Usually fluorinated copolymer unit, said the number of fluorine atoms, such as fluorine rubber, 23, is a vinylidene fluoride copolymers with chlorotrifluoroethylene. | ||
本文对地氟病区家庭砖瓦窑造成环境氟污染进行了调查。 The conditions of fluorine pollution in surroundings from minor brick-tile kilns in the area of fluorosis have been investigated. | ||
其中最短命的氢氟碳化合物，被发明取代氯氟烃，制冷剂可以稀释高层空气中的臭氧层，同时也是主要的升温剂。 The most troubling of the short-lived HFCs were invented to replace chlorofluorocarbons, refrigerants that were thinning the ozone layer in the upper atmosphere, and were also a major warming agent. | ||
氮氧化合物。 Nitrogen oxide. | ||
三氟-2,2,1 -三氯乙烷催化加氢脱氯制取三氟氯乙烯的方法。 Method for preparing trifluorochloroethylene by catalytic hydrogenation and dechlorination of 1, 1, 2-trifluoro-2, 2, 1-trichloroethane through. | ||
