本发明属于炼铁领域,涉及一种提钒尾渣深度还原直接生产海绵铁的工艺方法。
The invention relates to a technique method for directly producing sponge iron by carrying out deep reduction on extracted vanadium tailings, belonging to the field of iron making.
如今音场深度取决于小信号的还原准确程度。
Now sound stage depth is determined by how accurately small signals are reproduced.
孢粉种属突变以及还原硫含量变化对水体深度比较敏感,是划分深水环境层序边界以及体系域的良好指标。
The abrupt changes in spore-pollen species and in the content of reduction sulfur are sensitive to water depth, and can be used as indicators for sequence boundaries and system tracts.
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