仲钼酸铵直接还原成二氧化钼时加钾，可克服产生颗粒聚集、颜色发黑等还原不良现象。
It can avoid the particles gathering and colour blackening if the potassium is added in direct reduction for MoO 2 from secondary ammonium molybdate.
仲钼酸铵直接还原成二氧化钼时加钾，可克服产生颗粒聚集、颜色发黑等还原不良现象。
It can avoid the particles gathering and colour blackening if the potassium is added in direct reduction for MoO 2 from secondary ammonium molybdate.
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