铌
- 名niobium
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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”。
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用铬蓝黑B作铌的分光光度测定
Spectrophotometric Determination of niobium using Eriochrome Blue Black B
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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
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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 .
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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
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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 .
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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
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ICP-AES法测定钢中微量铌
Determination of Trace Nb in Steel by ICP AES
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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
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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 .
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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
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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
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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
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铸造高铌TiAl合金的热变形能力研究
Hot Deformability of Cast High Nb Containing TiAl Alloy
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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 .
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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
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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
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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
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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 .
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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
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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
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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 .
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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
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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
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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 .
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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
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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 .
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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 .
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5-Br-PADAP快速光度法测定钢中铌
Apid spectrophotometric determination of niobium in steel with 5-Br-PADAP
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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 .
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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 .