chalcocite的例句（chalcocite在句子中的用法）

• The δ 34 S V - CDT of chalcocite from copper ore are 19.2 � � and 20.7� �. 辉铜矿δ34SCDT为19.2‰和20.7‰.
• The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite. 介绍了用辉、黄铜精矿制备饲料级硫酸铜的新方法.
• Leaching of copper from chalcocite with acidic acetonitrilecopper sulphate system was studied. 研究了用酸性乙腈硫酸铜体系从辉铜矿中提取铜.