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  • niobium
铌
[ní]
  • 一种金属元素。铌能吸收气体,用作除气剂,也是一种良好的超导体。旧称“钶”。

  1. 用铬蓝黑B作铌的分光光度测定

    Spectrophotometric Determination of niobium using Eriochrome Blue Black B

  2. 含铌TRIP钢的显微组织和残留奥氏体稳定性分析

    Microstructures and Stability of Retained Austenite of TRIP Steel Containing Nb

  3. 铌渣的X荧光光谱分析含菌枣渣经过混合造粒、烘干,压制成枣纤维片。

    X-Ray Fluorescence Spectrometric Analysis of Niobium-containing Slags The jujube cellulose tablet was thus obtained .

  4. ZnO对碲铌基重金属氧化物玻璃的结构和光学性能的影响

    The impact of ZnO on structure and optical performances for TeO_2-Nb_2O_5 glass

  5. 研究了在溴化十六烷基吡啶存在下,铌与溴邻苯三酚红及丁基罗丹明B的协同显色反应。

    Synergistic chromogenic reaction of niobium with bromopyrogallol red and butyl rhodamine B in the presence of hexadecylpyridinium bromide was studied .

  6. 铌硅化物基超高温合金包埋渗Si层的组织形成及高温抗氧化性能

    Microstructural Formation and High Temperature Oxidation Resistance of Pack Siliconized Coatings on an Nb Silicide Based Alloy

  7. ICP-AES法测定钢中微量铌

    Determination of Trace Nb in Steel by ICP AES

  8. CSP条件下微合金含铌钢的强韧化机理及其开发

    Strengthening Mechanism and Developement of Nb-Microalloyed Steel by CSP Technology

  9. 成功地生长、制备出了双掺(V,Cr)钾钠铌酸锶钡晶体样品。

    The double-doped ( V , Cr ) potassium sodium strontium barium niobate crystal sample has been successfully grown and prepared .

  10. 铌硅锰非均匀形核表面淀积掺杂PTC陶瓷

    Barium titanate based PTC ceramics doped by Nb-Si-Mn heterogeneous nucleation surface deposition method

  11. 带有调谐电感的铌隧道结SIS准粒子混频器件

    A Niobium Tunnel Junction SIS Mixer Element with Tuning Inductance

  12. 铌表面初始氧化行为的EELS和AES研究

    Study of Initial Oxidation Behavior of Niobium by EELS and AES

  13. 铸造高铌TiAl合金的热变形能力研究

    Hot Deformability of Cast High Nb Containing TiAl Alloy

  14. 测量了双掺(Cu,Ce)钾钠铌酸锶钡晶体在红光波段的二波耦合特性及其光诱导吸收变化。

    Two wave mixing experiments and light induced absorption changes experiments in ( Cu , Ce )∶ KNSBN crystals were carried out .

  15. ICP-AES法测定稀土金属中的钛、钼、钨、铌和钽

    Determing Method for Titanium , Molybdenum , Tungsten , Niobium and Tantalum in Rare Earth Metals

  16. 含铌铁水-铌渣的平衡和渣中α(Nb2O5)的测定

    The investigation of equilibrium between slag and hot metal containing Nb and measurement of α nb_2o_5 in the slag

  17. 高铌TiAl基合金高温抗氧化性能研究

    High-temperature oxidation resistance of High-Nb TiAl-based alloy

  18. 用SEM波谱分析手段,定性研究了合金元素铌在新锆合金中的存在方式。

    The existing form of niobium in zirconium-based alloy containing Fe , Sn , Cr alloying elements was researched qualitatively by means of SEM .

  19. 扩展通道法ICP-AES测定钢铁中硅、磷、铌、钛

    Determination of Si , P , Nb and Ti in Steels by ICP AES with Offset Profile Additional Lines

  20. 铌的极谱催化波Ⅱ.铌(Ⅴ)氯酸钾EDTA体系

    Studies of polarographic catalytic waves of niobium ⅱ . the system of niobium ( v ) - potassium chlorate-edta

  21. 研究了包套锻造对大尺寸高铌TiAl合金室温塑性的影响。

    The effect of canned forging on room temperature ductility of high Nb containing TiAl alloy was studied .

  22. KOH亚熔盐浸出低品位难分解钽铌矿的实验

    Leaching of a Low - grade Refractory Tantalum - Niobium Ore by KOH Sub - molten Salt

  23. 5-Br-PADAP萃取分光光度法测定矿石中微克量铌

    Extraction-Spectrophotometric Determination of Niobium at Microgram level in ores with 5-Br-PADAP

  24. 研究了掺铈钾钠铌酸锶钡(Ce∶KNSBN)光折变光纤扇特性及两波耦合的基本特性。

    Properties of fanning effect and two wave coupling in a Ce ∶ KNSBN photorefractive fiber were studied .

  25. 焊接工艺对高铌Ti3Al合金电子束焊接接头显微组织和显微硬度的影响

    Microstructure evolution of high Nb containing Ti_3Al based alloy electron beam welding joints

  26. 针对铌镁酸铅(PMN)基弛豫铁电陶瓷电镀镍后性能失效行为,采用介温谱、绝缘电阻测量及高温退火方法进行了研究。

    Effects of nickel electroplating on the degradation of electrical properties of PMN based ferroelectrics were studied .

  27. 通过对该曲线的研究,发现铌酸钙钡晶体吸收边以下对应的跃迁为间接跃迁,计算出间接跃迁的禁带宽度Eg以及声子能量EP。

    Furthermore , the bandgap width Eg for the indirect transition and the phonon energy Ep are calculated by using this curve respectively .

  28. 5-Br-PADAP快速光度法测定钢中铌

    Apid spectrophotometric determination of niobium in steel with 5-Br-PADAP

  29. TEM测试表明Pt/(NbOx/C-HT)催化剂中Pt纳米粒子的平均粒径为2.2nm,并且均匀地分散在铌氧化物表面上。

    TEM showed that Pt nanoparticles with average particle size 2.2 nm were highly dispersed on the niobium oxide surface in Pt / ( NbOx / C-HT ) catalyst .

  30. 研究了添加W(02原子分数,%)对高铌TiAl合金组织和力学性能的影响。

    The effect of the addition W ( 0 2 at . % ) on the microstructure and mechanical properties for high Nb TiAl alloy was studied .