通过该方法，对磷的质量分数为0.19%的锰矿石，磷的去除率为78.5%，脱磷后锰矿中磷的质量分数下降为0.04%。
With this method, the rate of dephosphorization reached 78.5% and the phosphorus content of the manganese ore dropped from 0.19% down to 0.04%.
锰矿石数据库设计是在锰矿石可选性预测系统需求分析的基础上进行的。
The design of manganese ore's database is based on the manganese ore's washability prediction system.
对国内外锰矿石资源的地质分布、生产状况进行了较为详尽的叙述，并简单介绍了世界锰矿石的产销状况。
Geologic distribution and production situation of manganese mine resource in the world are described, and it presents the production and marketing of manganese ore briefly.
从锰矿石中磷的存在形态着手，用一株诱变得到的黑曲霉进行了高磷锰矿脱磷试验。
An aspergillus Niger, treated with UV-irradiation, was used for dephosphorization test of phosphorus-rich manganese ore based on the existing form of phosphorus in manganese ore.
提出：①湘中地区中奥陶世锰矿是低磷、低铁、高碱度优质锰矿石；
That a: The Mn-deposits of Middle Ordovician Epoch in central Hunan were high grade Mn-ores with low-P, low-Fe and high basicity;
提出：①湘中地区中奥陶世锰矿是低磷、低铁、高碱度优质锰矿石；
That a: The Mn-deposits of Middle Ordovician Epoch in central Hunan were high grade Mn-ores with low-P, low-Fe and high basicity;
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