纳米镍

纳米镍粉内团聚的小角X射线散射的分形表征

Size evaluation and fractal characteristic of nano-sized nickel powder by small angle X-ray scattering

纳米镍的规模化制备研究

Study on Scale Preparation of Nano-sized Nickel

在自由弧中利用含熔融氢的等离子射流直接作用于自耗Ni阳极，制备了金属纳米镍粉末。

Nano-metal nickel powder is prepared by liberty arc in which fusible hydrogen is joined as cathode shoot .

在溶液中用还原法制备了纳米镍（Ni）粉，用TEM、XRD等对其晶型、粒度进行了较全面的表征。

Nano-nickel powder was prepared by means of chemical reduction and characterized by using TEM , XRD .

多角金属纳米镍的化学液相制备、表征以及负载TiO2的光催化研究

Synthesis , Characterization of Multiangular Nickel Nanoparticles and its Photocatalytic Properties after Loaded TiO_2

采用SEM、XRD等技术对高温下含纳米镍粉的陶瓷涂层材料的晶化行为进行了研究。

The crystallization behavior of ceramic coatings containing nano nickel powder at high temperature was studied by the techniques XRD and SEM .

XRD测试结果表明纳米镍体相以单质态存在，但其特征谱线的d值普遍增大；

XRD measurement shows that the bulk phase of nano Ni is simple substance , whose d values of characteristic spectrum totally increase .

利用XRD估算纳米镍薄膜的晶粒平均尺寸，探讨纳米镍薄膜沉积生长机理。

The average grain size of nc-Ni films are calculated by using XRD . The deposition and growth mechanism of nc-Ni films are discussed also .

5A分子筛负载纳米镍铈粒子在气相苯加氢反应中的催化活性

Catalytic activity of nano nice / 5 a catalyst in gas phase benzene hydrogenation

采用watt镀液通过脉冲电沉积制得纳米镍沉积层。

Nano-crystal Nickel deposits were obtained by the traditional Watt nickel plating technique using pulse electro deposition .

通过FESEM，AFM，SEM观察，分析纳米镍薄膜的二维和三维表面形貌。

They are observed with FESEM , AFM , SEM for analyzing the two or three dimensional surface morphologies of the nc-Ni films .

结果表明：MH电极中加入纳米镍粉对负极的大电流放电性能不利。

The results show that : nano-nickel powder is not useful for MH electrode during the high rate discharge phase as a conductor or additive ;

利用批实验的研究方法以四氯乙烯（PCE）和四氯化碳（CT）为目标污染物，研究纳米镍/铁在去除PCE过程中的影响因素。

The factors influencing the removal of perchloroethylene ( PCE ) and carbon tetrachloride ( CT ) by nano-Ni / Fe have been studied by batch experiments .

采用对氨基苯甲酸（ABA）处理纳米镍粉，然后在ABA-nano-Ni（ABA处理的纳米镍粉）的存在下苯胺（An）原位化学氧化聚合，形成纳米镍/聚苯胺（PANi/nano-Ni）复合粒子。

Ni nanoparticles were prepared by DC electric and plasma method , and were disposed by 4-aminobenzoic acid ( ABA ), then nano-Ni / PANi composite nanoparticles were prepared through in situ polymerization of aniline in the presence of nano-Ni .

本文使用微乳液法制备粒径均匀的纳米镍金属微粒，并与Raney-Ni比较硝基苯加氢反应中的催化活性。

In this article , nano-nickel particles were prepared in W / O microemulsion . The catalytic activities of Nano-Ni and Raney-Ni were compared in the reaction of nitrobenzene hydrogenation .

在水溶液中，于常温常压下分别使用聚乙烯醇（PVA）和十二烷基三甲基溴化胺（DTAB）为表面活性剂，用电子束辐照方法制备了纳米镍粉；

Electron beam-irradiation method was applied to prepare nano-sized nickel powders in aqueous system at room temperature and ambient pressure using polyvinyl alcohol ( PVA ) and dodecyl trimethyl amine bromide ( DTAB ) as the surfactants respectively .

自由弧熔融氢等离子射流方法制备MLC用金属纳米镍粉，平均粒径36.6nm，粒度呈近似正态分布，94%集中于10~60nm范围内；

Nano nickel powder is prepared by plasma non-confined arc with fusible hydrogen . Its average diameter is 36.6 nanometer . The granularity presents normal distribution and the particles between 10 and 60 nanometer accounts to 94 % .

纳米镍、铜、Ni-B合金和铝粉使推进剂样品的高温放热峰温度分别降低了14.7℃、33.6℃、23.3℃和31.6℃，其中纳米铜粉的催化作用最强。

In the meanwhile , Nanometer Ni , Cu , Ni-B and Al had catalytic characteristics on the propellant samples and could make the high temperature decomposition decrease 14.7 ℃, 33.6 ℃, 23.3 ℃ and 31.6 ℃ respectively .

以氨水、Ni（NO3）2·6H2O为原料，在氧化还原体系下制备纳米镍粉末。讨论了表面活性剂、加料顺序、干燥方式以及煅烧温度等因素对纳米镍制备的影响；

The nano Ni powder was prepared by oxidation-reduction with ammonia water , Ni ( NO_3 ) _2 · 6H_2O as the raw materials , the factors of surface active agent , feeding order , drying way , calcination temperature , etc.

实验结果表明：制备的纳米镍在室温时表现出的延伸率很低，但强度可达1000MPa以上。

The results at room temperature showed that nanocrystalline Ni had limited elongation but high tensile strength up to 1000 MPa .

通过动电位极化曲线、交流阻抗及Mott-Schottky关系等电化学测试技术，分析、比较了纳米镍、纳米孪晶镍镀层和铸态镍的电化学腐蚀行为。

The corrosion behaviors of nano / nano-twin nickel coatings and cast nickel were compared by different electrochemical methods , such as polarization curves , electrochemical impedance spectrum ( EIS ) and Mott-Schottky analysis .

当温度升高至450℃，应变速率为1.67×10-3s-1时单向拉伸实验得到380%的延伸率，说明制备的纳米镍具有低温超塑性性能。

A maximum elongation of 380 % was observed at 450 ℃ and a strain rate of 1.67 × 10-3 s-1 , which proved the low temperature superplasticity for nanocrystalline Ni .

采用硅烷偶联剂KH-550对纳米镍粉进行表面处理，通过红外分析结果可以看出，硅烷偶联剂通过化学键与纳米镍粉作用，并且在其表面引入了-NH2基团，为苯胺的聚合提供活性点；

The surface of nano-Ni was modified by silane coupling agents ( KH-550 ) . The IR results show that silane coupling agents and nano-Ni were combined through chemical bond . There is - NH_2 group in the surface of nano-Ni which provides active point for the polymerization of aniline .

用氢、氩等离子体法制备了平均粒径在15nm左右的镍纳米粉，研究了热压法制备块状纳米镍的压力对纳米镍晶粒热稳定性的影响，并对其进行了热力学分析。

The nanoscale powders of Ni with average diameter of about 15 nm prepared by the plasma of hydrogen and argon were applied to investigate effect of pressure on the nanocrystal stability in hot pressure sintering process . The effect was analyzed by thermodynamic theory .

高活性纳米镍催化剂的制备及其催化性能研究

Synthesis of Nickel Nanoparticles and the Study of its Catalytic Performance

纳米镍在陶瓷膜表面的吸附行为研究

Adsorption of Nano-sized Nickel on Ceramic Membrane in Membrane Filtrating Process

利用等离子体法制备金属纳米镍粉。

Nano-metal nickel powder was prepared by plasma arc spraying method .

电沉积纳米镍薄板的超塑微拉深性能

Superplastic Micro Deep Drawability of Nanocrystalline Nickel Sheet Fabricated by Electrodeposition

陶瓷平板膜对纳米镍粉的过滤行为研究

Filtration Behavior of Nano-sized Nickel Particles Using Plate Ceramic Membranes

制备条件对纳米镍粉电化学性能的影响

Effect of preparation condition on electrochemical property of nano-nickel powders