Nolanda sands contain 70%～ 80% fayalite mineral component and is a rare mineral resource in natural world.
诺砂中含有70%～80%的铁橄榄石矿物成分,是自然界中罕见的矿产资源。
Nolanda sands contain 70%～ 80% fayalite mineral component and is a rare mineral resource in natural world.
诺砂中含有70%～80%的铁橄榄石矿物成分,是自然界中罕见的矿产资源。
The results showed thatbecause of the formation of fayalite and hercynite during the reduction，it was more difficultfor the metallic phase to nucleate.
研究结果表明，
于还
过程中生成了铁橄榄石和铁尖晶石，使得金属铁晶核更加难成；
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