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- Synthesis of Ultrafine and Nano Scaled Tungsten Carbide by Colloidal Carbon Coated Precursor Processes 胶状碳包覆前驱体工艺制备超细、纳米碳化钨粉的研究
- The preparation of nano porous tungsten oxide films has been reported using a sol-gel process with the starting tungsten powders together with the dip coating method. 以金属W粉为无机原料 ;采用溶胶 -凝胶技术 ;结合浸渍镀膜方法 ;制备出纳米多孔WO3薄膜 ;研究了热处理对薄膜性能的影响 .
- An ultra fine cemented carbide with tungsten powder and binder cobalt. 一种由碳化钨和粘结金属钴组成的超细颗粒硬质合金。
- An approach called PVD is main way to prepare nano scale aluminium flake at present. 本文阐述的物理气相沉积法(vd法)目前制备纳米片状铝粉的主要方法。
- The kinds, application and preparation method of nano scale materials are introduced. 介绍了纳米材料的种类,应用及制备方法。
- The influence on the morphology of tungsten powders by using different valued Ni and Fe are preliminarily investigated by XRD,SEM and EDS. 采用XRD、SEM、EDS等分析手段初步研究了Ni、Fe含量对制备钨纳米晶须的影响。
- The properties of solid materials in nano scale are considerably different from those in macroscopic scale. 固体材料性能在纳米尺度和宏观尺度下明显不同。
- Small-angle X-ray scattering(SAXS)was used to characterize the particle size distribution of nano-tungsten powders and ultrafine tungsten powders. 采用X射线小角散射法测试了纳米钨粉和超细钨粉的粒度分布。
- Manipulating, controlling or machining at nano scale are very important for nanotechnology. 纳米科技的发展和应用涉及纳米器件的加工、制作以及加工表面特征、性质和功能等研究。
- Whether metal nanoparticles can be stabilized in nano scale is the key for them to exhibit unique properties. 因此金属纳米粒子是否被稳定在纳米尺度内,是它们能否表现出独特性能的关键。
- Spherical tungsten powder produced by plasma atomization technique is described. 本文尝试了用等离子喷雾技术制取球形钨粉。
- It was concluded that, with the use of the surfactant DBS, SnO2 nanoparticles would more steady disperse in polyurushiol in nano scale. 表面活性剂DBS能提高纳米SnO_2在聚合漆酚中的稳定性,对PUs/SnO_2杂化材料的形成起了重要作用,使其颗粒大小在纳米范围内。
- Application:Raw material for producing WO3,blue tungsten oxide,AMT and tungsten powder. 用途:是生产三氧化钨,蓝钨,AMT以及钨粉的原料。
- The research and instruction on the engineering and science problems for friction, wear, and lubrication on the micro / nano scale. 微/奈米磨润实验室从事在微米奈米等级之摩擦;磨损;润滑相关工程与科学问题的研究及教学.
- One of the very important problems for the development and application of nanotechnology is how to manipulate, control or machine a material at nano scale. 纳米科技发展和应用的一个重要问题是 ,解决纳米尺度上的操作、加工和控制。
- In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder. 为控制纯钨粉中杂质元素的指标,准确测定其中痕量元素砷和锡的含量十分必要。
- It is noted that there is a thin fluid film between the loaded asperities and the wafer being polished in CMP process, thereby a flow system with nano scale film is formed in. 在简述化学机械抛光技术的基础上,提出化学机械抛光过程中,受载的粗糙峰和被抛光的晶片表面之间存在一纳米量级的薄流体膜,形成了纳米级薄膜流动系统。
- In order to control impurities content in pure tungsten powder,it is important to determine trace As and Sn in pure tungsten powder. 结果表明,石墨炉原子吸收光谱法测定纯钨粉中痕量砷和锡,方法可靠,简单快速。
- This article has discussed the influence of different nano scale components on the coatings performance, and the functions of the different nano scale components in coatings. 考察了基础涂料配方中加入不同纳米组分对涂料性能的影响。讨论了不同类型纳米组分在涂料中所起的作用。