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.The deep oxidation and groundwater leaching solubilizes much of the loosely bound uranium.深部氧化和地下水淋蚀使大部分...
His criticisms of the president stirred up a hornet's nest.他对董事长的批评造成众愤难平.It is stirred with 10 % sodium carbonate solution ( 50 ml ) and then with water ( 50 ml ), after which It'solidifies.与10%碳酸钠溶液 ( 50毫升 ) ...