fluorine

noun

1. 氟
   a chemical element. Fluorine is a poisonous pale yellow gas and is very reactive .

1. 氟
   Fluorine is a pale yellow, poisonous gas. It is used in the production of uranium and other chemicals.

1. It is a compound of aluminum, silica, and fluorine.
   它是铝、硅和氟的化合物。
2. Study of Silicon, Alumina and Fluoride Determination in Silicate Material by Potentiometry; It is a compound of aluminum, silica, and fluorine.
   电位法测定硅酸盐材料中二氧化硅、氧化铝和氟含量的方法研究它是铝、硅和氟的化合物。
3. But it turns out that the coal contains abnormally high concentrations of arsenic and fluorine.
   可是科学家发现，贵州的煤炭中砷与氟的含量异常地高。
4. This paper expounds the significance of fluoride detection, and introduces some experiences of detecting the fluorine ions by using ion selective electrode method.
   阐述了氟化物检测的意义，介绍了利用离子选择电极法检测水中氟离子的一些经验。
5. The fluorine emission characteristics and industrial experiment results of fluorine retention during coal combustion in fluidized bed were reported.
   分析了流化床煤燃烧氟析出特性，并进行了流化床石灰石燃烧固氟试验。
6. This paper is about foreign and domestic organic fluorine industry.
   简述了国内外有机氟行业的现状及发展趋势。
7. The experimental results have provided a new method for the further research of mold powder without fluorine.
   实验结果为深入研究无氟保护渣提供了新的思路和方法。
8. The irritation caused by fluorine appears to be less than that caused by chlorine at equal concentrations.
   在同样浓度下，氟所引起的刺激性看起来比氯引起的小。
9. Migration and Removability of Fluorine and Chlorine from Guizhou Shuicheng Coal During Cleaning Process
   贵州水城煤样中氟和氯在洗选过程中的迁移与可脱除性研究
10. A halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols.
    一种卤烃，其部分氢原子已被氟替换，用于电冰箱和喷雾剂中。
11. Study on the Content Analysis of PFOA and PFOS Residues in Fluorine Polymer
    氟聚合物中残留PFOA和PFOS含量分析方法研究
12. Presumably both the very small size and activating influence of fluorine atoms contribute to this exception.
    这大概是由于氟原子半径小和活性高这两个原因的影响，氟原子对这种例外做出了贡献。
13. The preparation of FITS reagent and its application in organic fluorine chemistry are reviewed.
    综述了近年发展的新亲电全氟烷基化试剂FITS的制备和应用。
14. A soft mineral ( calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine.
    一种软质矿物（氟化钙），在紫外线下常发荧光，是氟的主要来源。
15. Kind synthetic rubber contain fluorine atom in substructure.
    子结构中含有氟原子的合成橡胶。
16. The architectural characteristic and performances of organic fluorine resins, preparation methods of water-borne organic fluorine coatings are reviewed.
    本文就有机氟树脂的结构特性、水性有机氟涂料的制备、应用进行了较详细的综述。
17. This company is one of the major bases for researching, developing and producing organic fluorine.
    本集团是国内专业从事有机氟研制、开发和生产的主要基地之一。
18. The excellent performance of fluorine plastics from carbon atoms and fluorine atoms to achieve the high binding energy.
    氟塑料的优异性能是由碳原子与氟原子间的高结合能实现。
19. In recent years, China's automobile industry stimulating the rapid development of the fluorine rubber demand.
    近年来，我国汽车行业的快速发展拉动了对氟橡胶的需求。
20. Fluorine is the toxic component in this mixture.
    氟是混合物里的有毒成分。
21. Hydrogen fluoride is the maternal product of fluorine chemical industry with a wide uses.
    氟化氢是氟化工的母体产品，用途广泛。
22. The synthetic methods of modified acrylate latices with organic silicon compounds, epoxy resin, polyurethane, organic fluorine compounds were reviewed.
    综述了丙烯酸酯乳液有机硅改性、环氧树脂改性、聚氨酯改性、有机氟改性的方法和特点。
23. Any of the chemical elements fluorine or chlorine or bromine or iodine or astatine.
    氟、氯、溴、碘、砹中任意一种化学元素。
24. Contents and Chemical Forms of Fluorine and Aluminum in the Soils of Tea Garden Planning in Bijie Region
    毕节茶园规划区土壤中氟和铝的含量分析及化学形态研究
25. All flow-through parts of CQB-F fluorine lining magnetic pump are made of PVF2 and UHMWPE.
    产品概述：CQB-F型衬氟磁力泵的过流部件均采用“聚偏二氟塑料合金（PVF2）和超高分子量聚乙烯（UHMWPE）”制造。
26. Using a kind of fluorine polymer and HDI trimer to reinforce and conserve the paper documents was studied.
    和HDI三聚体对纸质文献进行加固保护的方法。
27. Chronic fluorine exposure may cause abnormal calcium accumulation in bone structure ( fluorosis) due to low-level systemic absorption.
    慢性氟暴露会导致由于低水平的系统吸收引起的在骨骼结构里的异常钙积累（氟中毒）。
28. Effect of High Fluorine on the Antioxidant Function and Ultrastructure of Liver in Chickens
    高氟对雏鸡肝脏抗氧化功能和超微结构的影响
29. Only in the past few years have geologists figured out the source of the arsenic and fluorine: coal.
    直到过去几年，地质学家才找出砷与氟的来源：煤。
30. Here is oxygen and fluorine.
    这就是氧和氟。

noun

1. a nonmetallic univalent element belonging to the halogens

   Synonym:    Fatomic number 9