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1)  medium-sized or fine W powder
中、细钨粉
2)  ultra-fine tungsten powder
超细钨粉
1.
This paper introduces the principle of purple tungsten oxide composition and production,the details of production process control,detection methods and the use of ultra-fine tungsten powder and ultra-fine cemented carbide.
简要介绍了紫色氧化钨的组成及生产原理,详细论述了其生产过程的控制因素、检测方法以及在超细钨粉及超细晶硬质合金中的运用。
2.
Ultra-fine WO3 particles were prepared by reverse setting,microemulsion and sol-gel methods respectively and were reduced into ultra-fine tungsten powders in hydrogen atmosphere.
采用反向滴加沉淀法、微乳法和溶胶-凝胶法3种液相方法合成超细WO3,然后将超细WO3在高纯氢气氛中还原成超细钨粉。
3)  ultrafine tungsten powder
超细钨粉
1.
The effect of phase composition of tungsten oxide on the homogeneity of ultrafine tungsten powder has been studied using a conventional hydrogen reduction technique.
研究了通过传统氢还原工艺制备超细钨粉末过程中氧化钨原料相组成对超细钨粉均匀性的影响。
2.
And therefore, The production of ultrafine tungsten powder and ultrafine tungsten carbide powder from W_(18)O_(49) is both more.
以W_(18)O_(49)为原料用传统工艺制取超细钨粉、超细碳化钨粉是合理的、先进的。
3.
Research on producing ultrafine tungsten powder in hydrogen reduction of tungsten oxide,roasting APT and evaporating and crystallizing of(NH4)2WO4 solution by traditional technological process in china are reviewed.
阐述了我国利用传统流程制备超细钨粉在氧化钨氢还原、APT煅烧和钨酸铵蒸发结晶等工序的研究情况。
4)  fine tungsten powder
细钨粉
1.
influencing the size of tungsten powder during its productionfrom blue tungsten oxide by H2 reduction,are presented together with the measures for production of fine tungsten powder.
探讨了蓝钨氢还原过程中影响钨粉粒度的主要因素,提出了制取细钨粉应采取的工艺措施。
5)  medium grain tungsten powder
中颗粒钨粉
6)  tungsten fine slime middlings
钨细泥中矿
补充资料:染料细粉及超细粉
分子式:
CAS号:

性质:非水溶性染料或不易溶染料常采用的剂型。如分散染料、还原染料等对粒度及粒度分布均有一定要求,要求相对集中,过细、过粗,均对使用有不良影响。染料生产企业对本企业的产品均作了规定。这些染料产品一般多在2μm到上到4μm范围内,如对某些分散染料要求控制在1μm左右,分散性能4~5级,还原染料也与分散染料近似,故有超细粉之称。为使染料产品达到上述细度,常采用万能粉碎机或砂磨、球磨等进行粉碎。

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