1)fluorine[英]['fl?:ri:n][美]['fl?'rin]氟气
1.Chemical and physical properties of fluorine and its safety, storage and shipment, preparation process are introduced, some valuable derivatives of fluorine and their applications are also discussed.介绍了氟气的物理化学性质、安全与储运、制备工艺,并就一些有价值的氟气下游产品的性质和用途进行了讨论。
2.Introduced the characteristic of fluorine,offered the way how to select the metal and non metal which have corrosion resistant and oxidation resistant to fluorine,and introduced the toxicity and the safety datas of fluorine to human body.介绍了氟气的性质 ,提出了如何正确选择耐氟腐蚀和氧化的各种金属及非金属 ,介绍了氟气对人体的毒害特点及各种安全数
3.In order to control and keep watch on the fluorine purity, the gas chromatography with series parallel connection of nine columns with two tubs is developed.为了有效监控生产过程中的氟气纯度 ,研制了色谱法氟气纯度分析仪。
英文短句/例句
1.Application of GC9560-HF Chromatograph in Fluorine AnalysisGC9560-HF气相色谱仪在氟气纯度分析中的应用
2.Study on the Separation of HCFC-22/HFC-23 Gas Mixture by Membrane;膜法分离二氟一氯甲烷/三氟甲烷混合气的研究
3.Catalysts for the preparation of hexafluoroacetone through hexafluoropropylene oxidation in gas phase六氟丙烯气相氧化合成六氟丙酮的催化剂
4.Method Improvement of Determination of Air and Tetrafluoromethane content in Sulfur Hexafluoride by Gas Chromatography六氟化硫气体中空气和四氟化碳含量检测方法的改进
5.CFC's has remained in the atmosphere for years.含氯氟烃在大气中已经存在多年。
6.Gases for electronic industry--Boron trifluorideGB/T14603-1993电子工业用气体三氟化硼
7.bromotrifluoromethane gas system三氟一溴甲烷气体灭火装置
8.CFCs cause depletion of atmospheric ozone.氟氯化碳会损耗大气臭氧。
9.Treatment of Fluorinecontaining Tail Gas from SSP Plant in Dynamic Froth Bed动态泡沫床处理过磷酸钙含氟尾气
10.Effects of HF on proline of some plants大气氟污染对某些植物脯氨酸的影响
11.It has converted yellowcake into uranium hexafluoride gas.它已经把“黄饼”转化为六氟化铀气体。
12.Study on Gas-phase Catalytic Synthesis Technology of Pentafluoroethyliodide五氟碘乙烷的气相催化合成技术研究
13.Influence of fillers on hot air aging properties of fluoroelastomer填料对氟橡胶热空气老化性能的影响
14.Quantitative Analysis for Pyridalyl 10% EC by GC10%三氟甲吡醚乳油气相色谱分析
15.Previously, gaseous fluorides resulting from this process were discharged directly into the atmosphere.过去，由此生成的气态氟化物直接排入大气。
16.AN INVESTIGATION ON THE GASEOUS FLUORIDE IN WELDING FUME OF BASIC ELECTRODE碱性焊条焊接烟气中氟化物气体的研究
17.Optimal End-Tidal Sevoflurane Concentration for Tracheal Extubation of Deeply Anesthetized Adults成人平稳拔除气管导管时七氟烷的潮气末浓度
18.a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins).一种易燃的气态碳氟化合物，用于制塑料（聚四氟乙烯树脂）。
相关短句/例句
gaseous fluoride气氟
3)gas phase fluorination气相氟化
1.Results will be outlined pointing out to what extent the application of gas phase fluorination is suitable for a surface modification of textile materials.本文着重介绍了气相氟化作用在纺织材料表面改性上的应用现状。
4)fume gas with F含氟烟气
1.Dry cleaning process for fume gas with F treatment;含氟烟气治理—干法净化技术
5)fluorinated tail gas含氟尾气
1.New approach of fluorinated tail gas treatment in SSP production;过磷酸钙含氟尾气处理的新方法
6)waste gas of HF含氟废气
1.Harnesing technique and project practice of tantalum-niobium mine soluting waste gas of HF;钽铌矿溶解含氟废气治理技术及工程实践
延伸阅读
氟气 氟元素符号F，原子序数9，原子量18.99。外围电子排布2s22p5，主要氧化数-1，0。位于第二周期第ⅦA族。原子半径64皮米，F-半径133皮米，第一电离能1682kJ/mol，电负4.0。单质氟由双原子分子F2组成。淡黄色气体，有令人不快的气味。密度1.696克/升(标准状况)，熔点-219.6℃，沸点-188.14℃。离解能154.8kJ/mol。氟是电负性最大，非金属性、氧化性最强的元素，化学性质非常活泼。有毒。能跟绝大多数元素化合生成二元氟化物，放出大量热，发生燃烧。跟铝、镍、镁、铜反应时常形成致密的氟化物保护膜。跟水发生剧烈反应，生成物主要有氟化氢和氧气，以及少量的过氧化氢、二氟化氧和臭氧。可从化合物中置换其它非金属元素，如氟气可从固态卤化物中置换出氯、溴、碘。与稀碱溶液反应放出OF2： 2F2+2NaOH=2NaF+OF2↑+H2O 在加压、加热条件下氟能跟氙直接化合，生成二氟化氙、四氟化氙和六氟化氙。大量氟用来氟化有机物，如氟里昂--12（CCl2F2）广泛用作致冷剂，CBr2F2用作高效灭火剂，CCl3F用作杀虫剂。称为特氟隆的聚四氟乙烯具有高弹性、低介电常数、低摩擦系数、耐热抗腐蚀等优良性能，用于制电工、化工器材。原子能工业制UF6，用扩散法分离出235U。1886年法国的莫瓦桑，在铂制U形管中，以铂铱合金作电极，电解氟氢化钾的无水氟化氢熔液得到氟。氟在地壳中的丰度为0.066％，主要以化合态存在，主要矿物有萤石CaF2，冰晶石Na3AlF6和磷灰石Ca5F(PO4)3。工业上以石墨和铁作电极，电解熔融的氟氢化钾和氟化氢的混和物制得。
