ประโยคภาษาจีน : 中文句子 |
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tàn tǎo 探讨 le 了 cóng 从 dī 低 pǐn wèi 品位 tóng kuàng 铜矿 zhì qǔ 制取 liú suān tóng 硫酸铜 de 的 gōng yì 工艺 tiáo jiàn 条件 bìng 并 zhēn duì 针对 zhì qǔ 制取 guò chéng 过程 de 的 chú tiě 除铁 jìn xíng 进行 le 了 yán jiū 研究 |
The preparative condition of cupric sulfate from low-grade copper ore has been investigated in this paper, the method of removal of iron in the process has also been studied. |