英语释义

• a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are hydrofluoric acid

片语

hydrogen n fluoride氟化氢

hydrogen fluoride alkylation process氟化氢烷化法

Potassium hydrogen fluoride[无化]

Hydrogen fluoride pyridine complex氟化氢吡啶

HYDROGEN FLUORIDE GAS氟化氢

On the Acidity of Hydrogen-Fluoride氟化氢的酸性强度

hydrogen n fluoride chemical laser氟化氢化学激光器

hydrogen fluoride chemical laser氟化氢化学激光器

hydrogen potassium fluoride酸式氟化钾

英汉例句

• azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof.

  包含2，3，3，3-四氟丙烯和氟化氢的共沸物组合物及其用途。

• trichloromethylbenzene is reacted with anhydrous hydrogen fluoride by using mercuric oxide as catalyst to form the trifluoromethylbenzene at -20 . its yield is more than 95% and its purity is 98%.

  三氯甲苯与无水氟化氢在氧化汞催化下于—20℃常压氟化生成三氟甲基苯，产品收率在95％以上，纯度达到98％。

• study of the protection effect on plant after hydrogen fluoride fumigation;

  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。

• 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。

• experiment using hf-fumigation was conducted to 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。

• 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。

• the experimental study on an electron-beam-initiated hydrogen fluoride laser with spg-200 pulsed power generator is introduced.

  介绍了利用spg-200脉沖功率源产生电子束激励氟化氢激光的实验研究情况。

• the results indicate that relationship between hydrogen fluoride laser and aluminum is different from that between co2 laser and aluminum.

  结果表明，氟化氢激光与铝靶相互作用得到的沖量耦合系数和激光功率密度的关系与co2激光不同。

• 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。

• conclusion it is very important for prevention and early diagnosis to supervise density of hydrogen fluoride on work surroundings.

  结论监测作业工人生产环境中氟化氢浓度对预防和早期诊断慢性工业性氟病具有重要意义。

• 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。

• conceal disturbing elements like iron, copper, lead with hydrogen fluoride amine-edta, add the potassium iodide to separate iodine, and take starch as indicator, titrate with sodium hyposulfite.

  试样以王水分解、泡塑富集分离金，硫脲解脱，以硝酸-硫酸破坏硫脲，用氟化氢胺-edta掩蔽铁、铜、铅等干扰元素，加碘化钾使之析出碘，以淀粉为指示剂，用硫代硫酸钠进行滴定。

• the degassing tower is the equipment of metal chemical industry to ensure continuity, high quality and high yield in hydrogen fluoride production.

  脱气塔是确保氟化氢生产连续、优质、高产的金属化工设备。

• 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。

• this method does not use an anhydrous hydrogen fluoride solvent which is hard to handle, or require expensive equipment or complicated operations.

  该方法不使用难以操控的无水氟化氢溶剂或者需要的昂贵设备或复杂的操作。

• 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 dosage of hydrogen fluoride (hf) injury to jinhua fingered citron was studied by simulating the atmospheric fluoride pollution with hf fumigation.

  通过熏气模拟试验研究金华佛手对氟化氢（hf）的剂量反应。