powdered ore

基本解釋

The invention discloses a method for preparing the chromium-iron alloy directly by adopting the chromium iron powdered ore.
本發(fā)明公開了一種利用鉻鐵礦粉直接制備鉻鐵合金的方法。
ip.com
The results showed that the reduction temperature of V-Ti magnetite ore with powdered metal and sodium salt could be reduced obviously.
結果表明，添加金屬粉和鈉鹽后釩鈦磁鐵礦還原溫度明顯降低；
www.rm-journal.com
To recover entrained powdered iron ore from the off gas of the fluidizing furnace is one of the key techniques in two-stage smelting reduction.
流化爐尾氣中礦粉的回收是實現(xiàn)二步熔融還原工藝的關鍵技術之一。