Niobium相关论文
The solid state synthesis of the phase“Ce3NbO7+δ”, from stoichiometric quantities of CeO2 and Nb2O5, was investigated......
This work presents a preliminary mineralogical characterization of Nb-Ta oxide minerals from alluvial placers located in......
A highly accurate and precise technique for measurement of the 93Nb(n,n')93mNb reaction rate was established for the mat......
采用了氢氟酸和硫酸、氢氟酸和硝酸的混合酸浸出法,对铅细晶矿进行了浸取分离.在最佳条件下,钽和铌的收率达到99％,同时并确保放射性......
以WCo75钎料为研究基础,结合分析Co-Nb和Nb-W二元相图,设计了理论成分比例为Co∶W∶Nb=65∶25∶10(%,质量分数)的合金钎料,以期获......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Using thermomechanical simulation experiment, the kinetics of the isothermal transformation of austenite to ferrite in t......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The effect of niobium addition on the microstructure of cast AISI H13 hot work tool steel was evaluated by using EDX ana......
The Effect of Nb Loading on Catalytic Properties of Ni/Ce0.75Zr0.25O2 Catalyst for Methane Partial O
In this study,the effect of Nb loading on the catalytic activity of Ce0.75Zr0.25O2-supported Ni catalysts was studied fo......
Cobalt-based catalysts were prepared by a wet impregnation method on carbon nanotubes (CNTs) support and promoted with n......
Thermodynamic Research on Precipitates in Low Carbon Nb-Microalloyed Steels Produced by Compact Stri
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Electrochemical behavior of 304 stainless steel with electrodeposited niobium as PEMFC bipolar plate
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Fatigue small crack growth threshold determination of a high-Nb TiAl alloy at diff erent temperature
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Effect of Nb on the corrosion behavior of continuous bulk metallic glass-coated steel wire composite
(Zr41.2Ti13.8Cu12.5Ni10Be22.5 )100xNbx(at%, x=0 and 8) bulk metallic glasses (BMGs) were coated on the surface of Q195 s......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The characteristics and generation mechanism of(Ti,Nb,V)(C,N) precipitates larger than 2 μm in Nb-containing H13 bar st......
Effect of Nb and V on the continuous cooling transformation of undercooled austenite in Cr–Mo–V stee
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The Effect of Nb Loading on Catalytic Properties of Ni/Ce0.75Zr0.25O2 Catalyst for Methane Partial O
In this study,the effect of Nb loading on the catalytic activity of Ce0.75Zr0.25O2-supported Ni catalysts was studied fo......
Ti/Al2O3 composite with improved mechanical properties was synthesized by the spark plasma sintering. The effect of Nb o......
By careful design of rolling schedule, ultra-fine (～2 μm) ferrite grains in a low carbon high niobium (0.09wt%Nb) micro-......
Niobium-promoted Fe/CNTs catalysts were prepared using a wet impregnation method.Samples were characterized by nitrogen ......
Nb-15W-18Si-xHf (x = 0, 5, 10 and 15, mole fraction, %) alloys were prepared by arc melting and then homogenized at1 750......
Thermodynamic Research on Precipitates in Low Carbon Nb-Microalloyed Steels Produced by Compact Stri
Microalloying element Nb in low carbon steels produced by compact strip production (CSP) process plays an important role......
Electrochemical behavior of 304 stainless steel with electrodeposited niobium as PEMFC bipolar plate
In order to enhance the corrosion resistance of 304 stainless steel,niobium was electrodeposited on its surface in air- ......
利用激光熔覆在45#钢表面制备不同铌含量的镍基合金复合涂层.使用扫描电镜(SEM)、X射线衍射(XRD)仪等仪器分析涂层横断面的显微组......
The role of niobium in nickel-based superalloys is reviewed. The importance of niobium as a strengthener is discussed. N......
Influence on electron energy loss spectroscopy of the niobium-substituted uranium atom: A density fu
We present the electronic structure and electron energy loss spectroscopy (EELS) for uranium, niobium and U3Nb in which ......
本文开展了复杂样品中微量Nb的分离技术研究,并用所建立的方法对辐照后不锈钢材料中的Nb进行了分离。试验结果表明,自制的水合五氧......
Conductivity and chemical stability of SrCe0.92Nbo.03Tm0.05O3-δ membrane prepared by modified sol-ge
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采用热分析法测定了Mn-Cu-Mo球墨铸铁的凝固冷却曲线,并借助于图像分析软件对铸态组织进行了观察和定量分析。研究了铌对球墨铸铁......
