niobium

noun

1. 铌
   a chemical element. Niobium is a silver-grey metal used in steel alloys .

1. The effect of niobium and rare earth on automobile wheel steel was analyzed by using experimental data and production practice.
   通过对汽车轮辐用钢板的铌和稀土微合金化试验和生产实践，分析了铌、稀土元素对汽车车轮用钢组织和性能的影响。
2. Study on effect of factors on solid-solution of carbonitride of niobium in steel
   影响钢中铌的碳氮化物固溶的因素分析
3. Niobic acid and compounds containing niobium are applied in a wide range of catalysis fields for their unique acidic property and thermal stability.
   铌酸和含铌化合物独特酸性和热稳定性，广泛的应用催化领域中。
4. The enrichment and recovery of tantalum and niobium through acid leaching and sodium alkali fusing from tungsten residue is studied.
   研究了用酸浸与钠碱熔融法从钨渣中富集和回收钽铌。
5. The niobium catalysts had high catalytic activity, selectivity and long service life, so the development of new type of niobium catalysts has a good prospect.
   铌类催化剂具有催化活性高、选择性好和使用寿命长等优点。研究开发新型铌类催化剂具有良好的应用前景。
6. We are processing titanium, nickel, tungsten, molybdenum, tantalum, niobium, zirconium, and hafnium materials.
   我们的产品是钛、镍、钨、钼、钽、铌、锆、铪材料加工；
7. The Study on the High-temperature Oxidation-resistant Coating on Niobium and Nb-base Alloy
   铌及铌合金高温抗氧化防护涂层研究GB/T14843-1993铌酸锂单晶
8. Niobium oxide optical thin films have been prepared by low frequency reactive magnetron sputtering system.
   利用低频反应磁控溅射制备五氧化二铌光学薄膜。
9. A black mineral that is an ore of niobium and tantalum.
   一种黑色矿物，是铌、钽矿石。
10. Original position statistic distribution analysis of manganese, titanium, aluminium, niobium inclusions in stainless steel slabs
    不锈钢板中锰、钛、铝、铌夹杂物的原位统计分布分析
11. The appropriate content of niobium or phosphotungstic acid was4% ( w).
    较佳的铌、磷钨酸的质量分数均为4%。
12. The leaching mechanism of niobium from a refractory niobium-tantalum ore by concentrated potassium hydroxide was studied.
    实验研究了难分解铌钽矿在高浓度氢氧化钾溶液中浸出过程的机理。
13. Barium sodium niobium oxide;
    氧化钡钠铌；
14. In niobium alloy containing carbon occurs decarburization in case of contamination by oxygen at higher temperature.
    含碳的铌合金，若在高温下受氧沾污，易产生脱碳现象。
15. Inorganic Infrared Substractive Spectrum Analysis ⅱ. Simultaneous Determination of Niobium And Tantalum
    无机红外差谱分析Ⅲ、铌和钽的同时测定
16. To remove dissolved oxygen in the molten metal prior to pouring, elements have been added which have high affinity for oxygen such as titanium, vanadium, niobium and magnesium.
    为了在浇铸之前消除熔化金属中的溶解氧，需要在金属中添加具有很高的氧亲合力的元素，如钛，钒，铌和镁。
17. The research results can meet the requirements about qualitative analysis and semi-quantitative analysis of niobium in alloy.
    讨论合金中铌元素的定性和半定量分析方法，结果能满足材料牌号鉴别的需要。
18. Barium strontium niobium oxide;
    氧化钡锶铌；
19. Compounds containing niobium can also be widely used in a variety of chemical reactions as assistant or photocatalysts.
    含铌化合物也作为助剂或光催化剂，广泛地应用于催化多种化学反应。
20. Niobium is the metallic element with the highest transition temperature.
    铌是转变温度最高的金属元素。
21. Fluorin Determination in High Purity Niobium or Tantalum Oxides by Spectrophotometry
    分光光度法测定高纯氧化铌（钽）中氟的研究
22. Oxidation of niobium and niobium alloys at high temperature in vacuum
    这种现象称作强温室效应。铌和铌合金在真空高温下的氧化现象
23. Adhesion of Composite Films of Niobium Layer and Chromium Layer Sputtered on Zirconium Alloy Substrates
    铌-铬复合溅射膜对锆合金基体的附着性
24. The Thermodynamic Analysis and Experiment Research on Niobium Enrichment of Baogang Tailing
    包钢含铌尾矿铌富集的热力学分析和实验研究
25. Study of the effects of niobium on magnetostriction and other properties of Co-base and FC-BASE metallic glasses
    铌对钴基和铁基金属玻璃磁致伸缩及其它性能影响的研究
26. The Effect of Niobium Content on Microstructure and Property of Fe-Cr-C Hardfacing Alloy
    铌含量对Fe-Cr-C熔敷金属组织与性能的影响

noun

1. a soft grey ductile metallic element used in alloys

   Synonym:    Nbatomic number 41