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- PTFE matrix composites were fabricated using mixing nano sized powder process and vaporizing impregnant process. 采用溶剂蒸发法和固体纳米粉末混合法制备两种工艺制备了PTFE复合材料。
- The results show that the hardness of composites fabricated with vaporizing impregnant process is much higher than that fabricated with mixing nano sized powder process. 结果表明在填料含量相同时,溶剂蒸发法制备的PTFE复合材料的硬度显著高于固体纳米粉末混合法制备的PTFE复合材料的硬度;
- Using nitrates and etylene diamine tetra acetic acid(EDTA) as raw materials, Nano size La 0.8 Sr 0.2 FeO 3 powder was synthesized by EDTA complexing Sol Gel method at lower temperature. 以金属硝酸盐和乙二胺四乙酸 (EDTA)为原料 ;用EDTA络合溶胶 凝胶法合成了La0 .;8Sr0
- 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。
- There are mainly two methods to prepare nano sized titania, uch as vapor phase process and liquid phase process. 纳米钛白的制备方法大致可分为两类,即气相法和液相法,而液相法是研究的重点和热点。
- 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 .
- The type,reaction mechanism and application of nano sized semiconductor photocatalyst are reviewed.The improvement of photocatalyst is also discussed in brief. 对半导体光催化剂的类型、作用机理、应用及其性能改进作了综合评述。
- 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。
- Compared with pure PTT, the thermal stability, crystallization and tensile performance of the PTT/MMT composites are improved due to the introduction of nano sized DK2 MMT. 与纯PTT相比,由于MMT在PTT基体中达到纳米尺寸分散,PTT/MMT复合材料的热稳定性能、结晶性能和拉伸性能都得到了明显提高。
- 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。
- 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。
- 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。
- The preparation of WO 3 thin films has been reported using a sol gel process together with the dip coating method, and tungsten powder being the raw material. 以金属 W粉为无机原料 ,溶胶 -凝胶技术结合浸渍镀膜方法制备出 WO3 薄膜 ,借助 SEM、可见光分光光度计、椭偏仪等仪器测量了薄膜的特性。
- 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。
- Cemented carbides metal: Tungsten powder, carbonize tungsten, Cobalt powder, Molybdenum powder, pure tungsten, Cobalt nickel material, tungsten copper metal, etc. 硬质合金原料:钨粉、碳化钨粉、钴粉、镍粉、钼粉、高纯钨、钨铜合金、钴镍材料及其它合金粉末;
- nano sized Y-type oxytitanium phthalocyanine 纳米酞菁氧钛
- W-Series Products: tungsten powder, tungsten carbide powder, ammonium perchlorate, tungsten blue, yellow tungsten, tungsten acid, tungsten acid satisfied. 钨系列产品:钨粉、碳化钨粉、仲钨酸铵、蓝钨、黄钨、钨酸、钨酸纳。
- Application:Raw material for hydrogenolysis tungsten powder,used for producing doped tungsten powder,tungsten bar,tungsten rod,tungsten wire and W-base high density alloy. 用途:氢还原钨粉原料,用于生产掺杂钨粉,钨条,钨杆,钨丝及钨基高密度合金。
- It shows that the rare earth elements can slow the doped tungsten powder's reductive rate and it takes more time for doped tungsten powder with rare earth to split than those without. 结果表明,在同样的还原工艺条件下,稀土元素能使掺杂钨粉的还原速率减小,分裂时间更晚,但最终的钨粉粒度更细小,可获得几百纳米的超细钨粉。