根据X射线衍射图研究了直接还原碳化温度及时间对反应产物的影响，用扫描电镜观察了粉末颗粒形貌和粒度分布。
The influence of carbonizing temperature and time was investigated by XRD in this study. The morphology and particle distribution of the powder were observed by SEM.
研究了氧化-还原法直接再生回收高密度合金切屑粉末的工艺技术。
The processes of directly recycling high density alloy by oxidation-reduction technique are investigated in details.
对在加压氮气中金属铝粉的直接氮化和氧化铝粉的碳热还原氮化法制备氮化铝粉末进行了研究。
The preparation of aluminium nitride powder by means of direct nitridation under pressurized nitrogen atmosphere and carbothermal nitridation of alumina is studied.
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