本文主要介绍了中颗粒钨粉一步还原法的生产工艺及设备。
This paper has mainly described the one-step technical process and equipment for producing tungsten powder having medium particle size.
用液-固掺杂及两段还原法制备了氧化钪及铼掺杂的钨粉。
Scandia and rhenium doped tungsten powders were prepared by solid-liquid doping combined with two-step reduction method.
结果表明：还原温度是制取超细钨粉的关键因素，在适当的工艺条件下，可以使用蓝钨制得超细钨粉。
The results showed that reduction temperature is critical for the preparation of ultra-fine W-powder from blue tungsten oxide under appropriate technological conditions.
用氢还原紫色氧化钨可高效地获得细钨粉。
The fine tungsten powder has been effectively obtained by hydrogen reduction of purple tungsten oxide.
利用中止还原的方法，研究了稀土元素对掺杂钨粉还原过程及其性能的影响。
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，钨粉粒度与还原温度、舟装料量、氢气流量和推舟速度成线性关系。
The results of the experiment showed that tungsten powder particle-size depends on the ertempature, flow of hydrogen, bed depth and pushing rate of boat.
以偏钨酸铵(AMT)为原料，采用喷雾干燥法结合氢气还原方法成功制备出球形钨粉。
The spherical tungsten powder was fabricated by spray-drying method combined with hydrogen reduction using ammonium metatungstate (AMT) as raw materials.
以偏钨酸铵(AMT)为原料，采用喷雾干燥法结合氢气还原方法成功制备出球形钨粉。
The spherical tungsten powder was fabricated by spray-drying method combined with hydrogen reduction using ammonium metatungstate (AMT) as raw materials.
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