This article introduces a rapid analysis and adjustment of the copper and ferrum impurities in nickelage solution.

本文主要介绍了镀镍液中杂质铜、铁的快和调整法。

The content of the available ferrum enhanced by recycled straws, but that of the available zincum, copper and manganese had no changed obviously in soil.

秸秆田提高了土壤的有效铁含量,但对有效铜、有效锌和有效锰含量影响不大。