a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite.
一种常见的氧化石,是、赤和纤的混合物。
a widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite.
一种常见的氧化石,是、赤和纤的混合物。
The research shows that the FA-goethite coexistensive system is quite effectual in the way of controlling the heavy metal pollution of cadmium.
因此,-富里酸共存体系对于控制重金属镉污染具有较好的效果。
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