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- cobalt ferrite nanopowder 纳米钴铁氧体
- In order to improve the resistivity of oxidation, dysprosium cobalt ferrite magnetic fluids were prepared. 摘要为了提高磁流体的抗氧化能力，制备了镝钴铁氧磁流体。
- A method of coating a layer of cobalt ferrite on the surface of ultrafine iron particles by soaking was studied,and the change of magnetic properties of was discussed. 研究了用浸渍方法在超微铁颗粒表面生成了一层钴铁氧体层，并对由此引起样品的比饱和磁化强度和矫顽力的改变进行探讨。
- XRD patterns show the samples contain spinel cobalt ferrite phase and bcc CoFe_2 phase. The proportion of CoFe_2O_4 to CoFe_2 phase diminishes with the increasing of reducing time. XRD的结果证明:钴铁氧体纳米颗粒经过部分还原后出现了bcc结构的CoFe_2相,并且随着还原时间变长,合金相的所对应的衍射峰强增加,CoFe_2O_4相的变化规律则恰好相反。
- Preparation and Microwave Absorptivity of Zinc Ferrite Nanopowder 纳米锌铁氧体的制备与微波吸收性能研究
- Preparation and properties of composite doped cobalt ferrite 复掺杂钴铁酸盐的制备及性能
- The density, microstructure and phase composition of sintered compacts of Mn-Zn ferrite nanopowders were measured by Archimedes method,X-ray diffraction(XRD) and scanning electron microscopy(SEM),respectively. 分别采用阿基米德法、扫描电镜(SEM)和X射线衍射仪(XRD)对烧结体的密度、微观结构和相组成进行测试分析。
- Fabrication and magnetic properties of cobalt ferrite composite nanoparticles 钴铁氧体复合纳米颗粒的制备及其磁性
- Preparation and Properties of Dysprosium Cobalt Ferrite Magnetic Fluids 镝钴铁氧磁流体的制备与性质研究
- Cobalt Ferrite Nanoparticles: Coprecipitation Synthesis and Magnetic Properties 铁酸钴纳米微粒的共沉淀法制备和磁性质
- Rare Earth Modification and Mechanism of Cobalt Ferrite Ionic Mmagnetic 离子型钴铁氧体磁流体的稀土改性与机理研究
- Preparing cobalt ferrite nanoparticles by spray coprecipitation and its sensing characteristics 喷射共沉淀法制备纳米铁酸钴及气敏性能表征
- SYNTHESIS OF COBALT FERRITE NANOPARTICLES IN HIGH STATIC MAGNETIC FIELD BY COPRECIPITATION-PHASE TRANSFORMATION WAY 强磁场下共沉淀-相转化法制备纳米鈷铁氧体颗粒
- Study of preparation and modification for Dysprosium Cobalt Ferrite Magnetic Fluids 镝钴铁氧体磁流体的制备与性质研究
- A Comparative Study on Thermal Decompose, Structure and Magnetism of Three Types of Cobalt Ferrite Oxide Nano-Powder 三种不同的纳米钴铁氧体热分解过程、结构和磁性的对比研究
- nickel ferrite nanopowder 纳米镍铁氧体
- Stellite 6 or cobalt free seats and discs. 钨铬钴合金6或无钴阀座和阀瓣。
- Stellite 6 or cobalt free wedge and seats. 钨铬钴合金6或无钴楔板和阀座。
- Hard Facing is weld deposited Cobalt base alloy. 硬面焊接钴基合金沉淀物。
- During deformation, the ferrite grains nuc... 碳含量提高有利于铁素体晶粒细化。
