hafnium

美 [ˈhæfniəm]英 [ˈhæfniəm]
  • n.铪(放射性化学元素)
hafniumhafnium

noun

U铪(放射性化学元素)
a radioactive chemical element. Hafnium is a hard silver-grey metal.

noun

1
a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals;used in filaments for its ready emission of electrons
Synonym: Hf atomic number 72

数据来源:WordNet

  1. Investigation of Effect Mechanism of Hafnium and Zirconium in High Temperature Materials

    Hf和Zr在高温材料中作用机理研究

  2. A New Separation Technology of Zirconium and Hafnium by Solvent Extraction

    锆铪分离和提取新工艺

  3. Hafnium metal is excellent nuclear reactor control material .

    金属铪是优异的核反应堆控制材料。

  4. A study on the mechanism of erosion of hafnium electrode in air plasma cutting

    空气等离子弧切割电极烧损机理

  5. Structure Refinement and Its Mechanism of Cast Tial Based Alloys Containing Hafnium

    含Hf铸造钛铝基合金组织细化及其机制研究

  6. The Properties , Application , Manufacturing Techniques and Developing Prospect of Zirconium and Hafnium Materials

    锆铪材料的性质、应用、生产技术与发展前景

  7. Improved field emission of carbon nanotubes by hafnium coating

    表面覆铪改善碳纳米管膜发射性能

  8. The separation of zirconium and hafnium is a global problem .

    锆铪分离是世界性难题。

  9. Study on Analytical Method of ICP-AES for Zirconium and hafnium and Its ' Application

    锆铪的ICP-AES分析方法研究及应用

  10. Synthesis of Nanocrystalline Hafnium Oxide Thin Film by Self-Assembled Monolayer Method

    二氧化铪(HfO2)纳米晶态薄膜的自组装制备

  11. Review and Comparison for Zirconium Hafnium Separation by Wet Extraction

    锆铪分离的湿法工艺比较及分析

  12. Simultaneous determination of zirconium and hafnium in high temperature alloys for aircraft turbine engine

    航空发动机用高温合金中锆、铪的同时测定

  13. Zirconium and hafnium oxides Determination of sodium content Flame atomic absorption spectrophotometric method

    GB/T2590.5-1981氧化锆、氧化铪中钠量的测定火焰原子吸收分光光度法

  14. Study of hafnium plate Zircaloy 4 plate welding techniques

    Hf板-Zr-4板焊接工艺研究

  15. Joint determination of zirconium and hafnium in ore samples by ICP-AES

    ICP-AES法同时测定矿样中锆铪

  16. A New Isotope of Hafnium : ~ ( 186 ) Hf

    铪的新同位素:~(186)Hf

  17. Safety Measures for Hafnium Beam Erection over Railway

    架设上跨铁路铪梁的安全措施

  18. The field emission properties of hafnium coated carbon nanotubes ( CNTs ) were investigated .

    研究了表面沉积铪膜并进行后处理对碳纳米管膜场电子发射性能的影响。

  19. Influence of O_2 / Ar Ratio on Microstructures and Properties of Hafnium Dioxide Films

    不同氧氩比例对氧化铪(HfO2)薄膜的结构及性能的影响

  20. X-Ray Fluorescent Scattered Internal Standard Method for Determination of Zirconium and Hafnium in Niobium base Alloy

    X射线荧光散射内标法测定铌合金中的锆

  21. Zirconium and hafnium oxides Determination of silicon content Silicon-molybdenum blue photometric method

    GB/T2590.3-1981氧化锆、氧化铪中硅量的测定硅钼蓝吸光光度法

  22. The features of Hafnium are high melting point , high dielectric constant and high absorption of high-energy radiation .

    铪的化合物具有很高的熔点,强的高能射线吸收能力,高介电常数。

  23. Recent Developments in Spectrophotometric Determination of Zirconium ( Hafnium ) in Metals and Alloys

    金属及合金中锆(铪)的光度分析近况

  24. Determination of hafnium in zirconium with atomic emission spectrometry

    锆中铪的原子发射光谱分析法

  25. Application of Fluorescent Ketone in the Spectrophotometric Analysis of Molybdenum , Zirconium and Hafnium

    荧光酮在钼锆(铪)光度分析中的应用

  26. Study on Preparation and Properties of SiC / Si Heterostructures and Hafnium Oxide High - κ Thin Films

    SiC/Si异质结构和HfO2高κ薄膜制备及其性能研究

  27. General Situation of Production , Trade and R & D of Zirconium , Hafnium and Its Chemicals in China

    近2年我国锆铪及锆化学制品的生产、贸易及研发概况

  28. Determination of zirconium oxide and hafnium oxide in mineral and reagent by X-ray fluorescence spectrometry

    X射线荧光光谱法测定矿物及试剂中氧化锆和氧化铪

  29. Sintering Behavior of Pure Hafnium Oxide A STUDY ON THE SINTERING BEHAVIOUR OF RANEY-COPPER CATALYST

    氧化铪烧结行为研究Raney-Cu催化剂的烧结行为

  30. The hafnium crystal bar was produced by the iodide decomposition method from wast material of processing .

    用碘化物热分解法由铪加工残料生产铪晶棒。