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- Fluorine and hydrogen fluoride in a mixed gas, HF--F_2--Ar ahd F_2--HF--N_2,have been determined. 该仪器已用于HF-F_2-Ar和HF-F_2-N_2等混合气体中氟和氟化氢的测定。
- The glass is susceptible to long-term attack by high-alkalinity environments and HF( hydrogen fluoride), as well as to severe physical abrasion. 玻璃对高碱环境的长期攻击敏感,hf(氟化氢)产生严重的物理磨损。
- The physical and chemical properties of hydrogen fluoride differ from the other halogen hydride. Acidity of HF is related to condition or state. 氟化氢与其它卤化氢相比,有着独特的物理化学性质,它的酸性强弱与其所处的状态有关。
- The photolysis of NF3 in the stratosphere yields a fluorine radical that reacts fairly rapidly to form hydrogen fluoride (HF). 在同温层里NF3的光解作用氟原子团,氟原子团相当迅速地发生反应,生成氟化氢(HF)。
- NF3 has negligible impact on ozone depletion. The photolysis of NF3 in the stratosphere yields a fluorine radical that reacts fairly rapidly to form hydrogen fluoride (HF). NF3对于臭氧损耗几乎没有影响。在同温层里NF3的光解作用氟原子团,氟原子团相当迅速地发生反应,生成氟化氢(hf)。
- In the production of linear alkylbenzene catalyzed by hydrogen fluoride,the quality and yield of LAB kept stable when the volume ratio of HF to hydrocarbons was within a range from 1. 在以氟化氢为催化剂的直链烷基苯工业化生产中,通过降低烷基化反应器入口氟化氢流量降低烷基化反应酸烃比,发现氟化氢与烃类的体积比(酸烃比)降至0。
- The system, made by Linde, splits hydrogen fluoride into fluorine. 这个系统,由林德集团制造,能将氟化氢分解成氟气。
- The influence of the peaking capacitor and the pressure of mixture gas on the performance of UV preionized pulsed HF laser is investigated. 研究了气体组份和峰化电容对紫外光预电离脉冲hf激光器性能的影响。
- Experiment using HF-fumigation was conducted t o study effect of hydrogen fluoride on rubber tree saplings. 通过熏气模拟试验研究氟化氢气体对橡胶盆栽幼苗的影响。
- Fujian Shaowu Yongfei Chemical Co., Ltd.- Hydrogen fluoride and fluoride salts manufacturer in China. 上海卓越纳米新材料股份有限公司-生产纳米活性碳酸钙。
- Depending on conditions, hydrogen fluoride may convert to hydrofluoric acid (aqueous) at varying concentrations. 根据条件,氟化氢可以在多种浓度下转化成氢氟酸(水成的)。
- continuous wave hydrogen fluoride laser 连续波氟化氢激光器
- hydrogen fluoride chemical laser 氟化氢化学激光器
- Perfluorotriethylamine is fabricated through electrochemical fluorination of triethylamine in anhydrous hydrogen fluoride under a certain condition. 本文通过对无水氟化氢和三乙胺的混合溶液在一定条件下的电解氟化,制备全氟三乙胺。
- These reagents are fluid , usually easily storable , transportable, they can replace hydrogen fluoride safely in some reactions. 在部分反应中可方便,安全地替代氟化氢作为氟化试剂。
- Fluorine resin is a paraffin-based molecular structure of thermoplastics, including all or part of hydrogen fluoride were replaced. 氟树脂是具有石蜡型分子结构的热塑性塑料,其中全部或部分氢被氟取代。
- Double discharge initiated HF laser 双放电引发
- Compact Non-chain Pulsed HF Laser 紧凑的非链式脉冲HF激光器
- Hydrogen fluoride resulted from the reaction of fluorite and sulphuric acid is the basic raw material for the production of inorganic and organic fluoride. 萤石和硫酸反应制得的氟化氢,是生产无机和有机氟化物的基本原料。
- Refining processes with concentrated sulfuric acid or hydrogen fluoride as catalyst are currently being used for the manufacture of alkylation gasoline from isobutane and light olefins from FCCU. 摘要石油炼制工业一直利用浓硫酸或氢氟酸触媒使异丁烷和来自流体化触媒裂解工场的轻质烯烃反应以制造烷化油。