This thesis carries on the study of preparing claviform ultra-fine iron powder by liquid precipitation-thermal reduction.
本文研究了以液相沉淀法合成前驱体，然后对前驱体进行热分解还原得到棒状超细铁粉的方法。
The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
以苯酚为原料，复合金属离子为催化剂，研究用气相氧化合成苯醌，用铁粉还原苯醌制对苯二酚的两步法工艺，考察了氧化过程中的工艺条件对反应的影响。
The results show that the reduction temperature and time have remarkable effect on the metallization rate of reduced iron powder.
研究结果表明，还原温度和还原时间对还原铁粉的金属化率具有显著影响。
In situ magnetization X-ray powder diffraction method is firstly applied to measure magnetostriction coefficient of reduction iron powder.
首次报导X射线粉末衍射法测量铁粉晶胞的磁致伸缩系数。
The iron powder quality is ensured through tunnel kiln reduction and second reduction by using iron scale of high grade as raw material.
以优质铁鳞为原料，加强隧道窑和二次精还原工艺技术管理，确保铁粉质量。
The iron powder quality is ensured through tunnel kiln reduction and second reduction by using iron scale of high grade as raw material.
以优质铁鳞为原料，加强隧道窑和二次精还原工艺技术管理，确保铁粉质量。
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